bluuebunny/crossref_metadata_2025 huggingface dataset:
STUDI KARAKTERISTIK PEMBENTUKAN UAP DALAM PEMBANGKIT UAP HELIKAL PADA REAKTOR MODULAR DAYA KECIL
Authors: Susyadi Susyadi , Tjahjono Hendro , Dibyo Sukmanto , Pane Jupiter Sitorus
Published: August 2017

Reaktor modular daya kecil (SMR) sangat cocok untuk  dibangun Indonesia, terutama pada lokasi-lokasi dengan kapasitas jaringan listrik yang rendah sehingga investigasi lebih jauh tentang reaktor ini sangat diperlukan. Umumnya SMR memiliki bentuk pembangkit uap yang kompak dan terintegrasi di dalam bejana tekan. Disain tersebut menyebabkan perbedaan pendekatan dalam memproduksi uap dibandingkan reaktor nuklir konvensional yang menggunakan pembangkit uap tabung-u terbalik. Oleh karena itu tujuan dari penelitian ini adalah untuk mengetahui karakteristik uap dan pola pembentukkannya di dalam pembangkit uap tipe helikal yang banyak digunakan oleh SMR. Metoda yang dipakai adalah dengan melakukan pemodelan dan perhitungan numerik menggunakan program RELAP5. Dalam pemodelan, aliran air umpan  bertekanan dan temperatur rendah dimasukkan ke dalam tabung helikal sementara aliran fluida bertekanan dan temperatur tinggi, yang mewakili pendingin sistem primer reaktor, berada di sisi luar tabung. Hasil perhitungan menunjukkan bahwa uap yang dihasilkan oleh pembangkit uap helikal bersifat lewat jenuh yakni sekitar 25 K di atas titik jenuhnya. Hal ini memberikan keunggulan komparatif dari segi disain dan operasional pada SMR dibanding reaktor konvensional karena uap lewat jenuh yang dihasilkan dapat mengurangi kerugian turbin dan sekaligus meningkatkan efisiensi termodinamika. Kata kunci: pembangkit uap helikal, SMR, PWR, uap lewat jenuh, RELAP5  Small modular reactor (SMR) is very suitable to be deployed in Indonesia especially for locations having low electrical grid capacity, so  further investigation on the characteritic of this reactor is needed. In general SMR has a compact and integrated-to-vessel steam generator design. This design implies different approach in producing steam as compared to conventional nuclear power plant  having inverted u-tube steam generator. For that reason, this research is intended to investigate the steam characteristic and how it is generated in the helical SG which is widely used in SMR. The method used is through numerical calculation of the SG model using RELAP5 code. In the model, the feed-water which has low pressure and temperature is flown into helical tubes while high pressure and temperatur fluid, which represents reactor primary system coolant, stays in outer side of the tube. Calculation result shows that the steam produced by helical steam generator is superheated, i.e. about 25 K above saturation temperature. This provides comparative advantage to SMR on the design and operational aspects compared to conventional  reactors because the superheated steam it produces can reduce turbine losses and at the same time increase thermodynamic efficiency. Keywords: helical steam generator, SMR, PWR, superheated steam, RELAP5
VALIDATION OF FULL CORE GEOMETRY MODEL OF THE NODAL3 CODE IN THE PWR TRANSIENT BENCHMARK PROBLEMS
Authors: Sembiring Tagor Malem , Pinem Surian , Liem Peng Hong
Published: August 2017

ABSTRACT VALIDATION OF FULL CORE GEOMETRY MODEL OF THE NODAL3 CODE IN THE PWR TRANSIENT BENCHMARK PROBLEMS. The coupled neutronic and thermal-hydraulic (T/H) code, NODAL3 code, has been validated in some PWR static benchmark and the NEACRP PWR transient benchmark cases. However, the NODAL3 code have not yet validated in the transient benchmark cases of a control rod assembly (CR) ejection at peripheral core using a full core geometry model, the C1 and C2 cases.  By this research work, the accuracy of the NODAL3 code for one CR ejection or the unsymmetrical group of CRs ejection case can be validated. The calculations by the NODAL3 code have been carried out by the adiabatic method (AM) and the improved quasistatic method (IQS). All calculated transient parameters by the NODAL3 code were compared with the reference results by the PANTHER code. The maximum relative difference of 16% occurs in the calculated time of power maximum parameter by using the IQS method, while the relative difference of the AM method is 4% for C2 case.  All calculation results by the NODAL3 code shows there is no systematic difference, it means the neutronic and T/H modules are adopted in the code are considered correct. Therefore, all calculation results by using the NODAL3 code are very good agreement with the reference results. Keywords: nodal method, coupled neutronic and thermal-hydraulic code, PWR, transient case, control rod ejection.  ABSTRAK VALIDASI MODEL GEOMETRI TERAS PENUH PAKET PROGRAM NODAL3 DALAM PROBLEM BENCHMARK GAYUT WAKTU PWR. Paket program kopel neutronik dan termohidraulika (T/H), NODAL3, telah divalidasi dengan beberapa kasus benchmark statis PWR dan kasus benchmark gayut waktu PWR NEACRP.  Akan tetapi, paket program NODAL3 belum divalidasi dalam kasus benchmark gayut waktu akibat penarikan sebuah perangkat batang kendali (CR) di tepi teras menggunakan model geometri teras penuh, yaitu kasus C1 dan C2. Dengan penelitian ini, akurasi paket program NODAL3 untuk kasus penarikan sebuah CR atau sekelompok CR yang tidak-simetris dapat divalidasi.  Perhitungan paket program NODAL3 dilakukan dengan metode adiabatic (AM) dan improved quasistatic (IQS).  Seluruh parameter gayut waktu hasil perhitungan paket program NODAL3 dibandingkan dengan hasil acuan dengan paket program PANTHER. Perbedaan relatif maksimum sebesar 16% terjadi dalam perhitungan parameter waktu daya maksimum dengan metode IQS pada kasus C2, sedangkan perbedaan relatif dengan metode AM adalah 4%. Seluruh hasil perhitungan dengan paket program NODAL3 menunjukkan tidak adanya perbedaan yang sistematis, berarti modul neutronik dan T/H yang diadopsi di NODAL3 sudah benar. Oleh karena itu, seluruh perhitungan dengan paket program NODAL3 sangat sesuai dengan hasil acuan. Kata kunci: metode nodal, paket program kopel neutonik dan termo-hidrolika, kasus gayut-waktu, tertariknya batang kendali.
EFFECT OF AIR CONDITION ON AP-1000 CONTAINMENT COOLING PERFORMANCE IN STATION BLACK OUT ACCIDENT
Authors: Tjahjono Hendro
Published: August 2017

ABSTRACT EFFECT OF AIR CONDITION ON AP-1000 CONTAINMENT COOLING PERFORMANCE IN STATION BLACK OUT ACCIDENT. AP1000 reactor is a nuclear power plant generation III+ 1000 MWe which apply passive cooling concept to anticipate accidents triggered by the extinction of the entire supply of electrical power or Station Black Out (SBO). In the AP1000 reactor, decay heat disposal mechanism conducted passively through the PRHR-IRWST and subsequently forwarded to the reactor containment. Containment externally cooled through natural convection in the air gap and through evaporation cooling water poured on the outer surface of the containment wall. The mechanism of evaporation of water into the air outside is strongly influenced by the conditions of humidity and air temperature. The purpose of this study was to determine the extent of the influence of the air condition on cooling capabilities of the AP1000 containment. The method used is to perform simulations using Matlab-based analytical calculation model capable of estimating the power of heat transfered. The simulation results showed a decrease in power up to  5% for relative humidity rose from 10% to 95%, while the variation of air temperature of 10 °C to 40°C, the power will decrease up to 15%. It can be concluded that the effect of air temperature increase is much more significant in lowering the containment cooling ability compared with the increase of humidity. Keywords: containment cooling, AP1000, air condition, SBO   ABSTRAK PENGARUH KONDISI UDARA TERHADAP KINERJA PENDINGINAN SUNGKUP AP-1000 DALAM KECELAKAAN STATION BLACK OUT. Reaktor AP-1000 merupakan PLTN generasi III+ berdaya 1000 MWe yang menerapkan konsep pendinginan pasif untuk mengantisipasi terjadinya kecelakaan yang dipicu oleh padamnya seluruh suplai daya listrik atau dikenal dengan Station Black Out (SBO). Pada reaktor AP-1000, mekanisme pembuangan kalor peluruhan dilakukan secara pasif melalui PRHR yang diteruskan ke IRWST dan selanjutnya pada sungkup reaktor. Sungkup didinginkan secara eksternal melalui konveksi alamiah pada celah udara dan melalui penguapan air pendingin yang diguyurkan di permukaan luar dinding sungkup. Mekanisme penguapan air ke udara luar sangat dipengaruhi oleh kondisi kelembaban dan temperatur udara. Tujuan dari penelitian ini adalah untuk mengetahui sejauh mana pengaruh kondisi udara tersebut terhadap kemampuan pendinginan dari sungkup AP1000. Metode yang digunakan adalah dengan melakukan simulasi menggunakan model perhitungan analitis berbasis Matlab yang mampu mengestimasi daya kalor yang dievakuasi. Hasil simulasi menunjukkan adanya penurunan daya hingga 5% untuk kelembaban relatif naik dari 10% hingga 95%, sedangkan untuk variasi temperatur udara dari 10°C hingga 40°C, daya akan menurun hingga 15%.  Dapat disimpulkan bahwa pengaruh kenaikan temperatur udara jauh lebih signifikan dalam menurunkan kemampuan pendinginan sungkup dibandingkan dengan naiknya kelembaban. Kata kunci: pendinginan sungkup, AP1000,  kondisi udara, SBO
NEUTRONICS ANALYSIS ON MINI TEST FUEL IN THE RSG-GAS CORE
Authors: Surbakti Tukiran , Sembiring Tagor Malem
Published: August 2017

Abstract NEUTRONICS ANALYSIS ON MINI TEST FUEL IN THE RSG-GAS CORE. Research of UMo fuel for research reactor has been developing  right now. The fuel of  research reactor used is uranium low enrichment with high density. For supporting the development of fuel, an assessment of mini fuel in the RSG-GAS core was performed. The mini fuel are U7Mo-Al and U6Zr-Al with densitis of 7.0gU/cc and 5.2 gU/cc, respectively. The size of both fuel are the same namely 630x70.75x1.30 mm were inserted to the 3 plates of dummy fuel. Before being irradiated in the core, a calculation for safety analysis  from neutronics and thermohydrolics aspects were required. However, in this paper will discuss safety analysis of the U7Mo-Al and U6Zr-Al mini fuels from neutronic point of view.  The calculation was done using WIMSD-5B and Batan-3DIFF code. The result showed that both of the mini fuels could be irradiated in the RSG-GAS core with burn up less than 70 % within 12 cycles of operation without over limiting the safety margin. Power density of U7Mo-Al mini fuel bigger than U6Zr-Al fuel.   Key words: mini fuel, neutronics analysis, reactor core, safety analysis   Abstrak ANALISIS NEUTRONIK ELEMEN BAKAR UJI MINI DI TERAS RSG-GAS. Penelitian tentang bahan bakar UMo untuk reaktor riset terus berkembang saat ini. Bahan bakar reaktor riset yang digunakan adalah uranium pengkayaan rendah namun densitas tinggi.  Untuk mendukung pengembangan bahan bakar dilakukan uji elemen bakar mini di teras reakror RSG-GAS dengan tujuan menentukan jumlah siklus di dalam teras sehingga tercapai fraksi bakar maksimum. Bahan bakar yang diuji adalah U7Mo-Al dengan densitas 7,0 gU/cc dan U6Zr-Al densitas 5,2 gU/cc. Ukuran kedua bahan bakar uji tersebut adalah sama 630x70,75x1,30 mm dimasukkan masing masing kedalam 3 pelat dummy bahan bakar. Sebelum diiradiasi ke dalam teras reaktor maka perlu dilakukan perhitungan keselamatan baik secara neutronik maupun termohidrolik. Dalam makalah ini akan dibahas analisis keselamatan uji bahan bakar mini U7Mo-Al dan U6Zr-Al ditinjau dari segi neutronik. Perhitungan dilakukan dengan menggunakan program komputer WIMSD-5B dan Batan-3DIFF. Hasil analisis menunjukkan bahwa kedua bahan bakar uji dapat diiradiasi dengan derajat bakar < 70 % selama 12 siklus operasi tanpa melampaui batas keselamatan neutronik. Kerapatan panas bahan bakar uji U7Mo-Al lebih besar dari bahan bakar U6Zr-Al.  Kata kunci: Bahan bakar mini, analisis neutronik, teras reaktor,  analisis keselamatan
VALIDATION OF SIMBAT-PWR USING STANDARD CODE OF COBRA-EN ON REACTOR TRANSIENT CONDITION
Authors: Isnaini Muhammad Darwis , Subekti Muhammad
Published: August 2017

The validation of Pressurized Water Reactor typed Nuclear Power Plant simulator developed by BATAN (SIMBAT-PWR) using standard code of COBRA-EN on reactor transient condition has been done. The development of SIMBAT-PWR has accomplished several neutronics and thermal-hydraulic calculation modules. Therefore, the validation of the simulator is needed, especially in transient reactor operation condition. The research purpose is for characterizing the thermal-hydraulic parameters of PWR1000 core, which be able to be applied or as a comparison in developing the SIMBAT-PWR. The validation involves the calculation of the thermal-hydraulic parameters using COBRA-EN code. Furthermore, the calculation schemes are based on COBRA-EN with fixed material properties and dynamic properties that calculated by MATPRO subroutine (COBRA-EN+MATPRO) for reactor condition of startup, power rise and power fluctuation from nominal to over power. The comparison of the temperature distribution at nominal 100% power shows that the fuel centerline temperature calculated by SIMBAT-PWR has 8.76% higher result than COBRA-EN result and 7.70% lower result than COBRA-EN+MATPRO. In general, SIMBAT-PWR calculation results on fuel temperature distribution are mostly between COBRA-EN and COBRA-EN+MATPRO results. The deviations of the fuel centerline, fuel surface, inner and outer cladding as well as coolant bulk temperature in the SIMBAT-PWR and the COBRA-EN calculation, are due to the value difference of the gap heat transfer coefficient and the cladding thermal conductivity.
INVESTIGATION OF RDE THERMAL PARAMETERS CHANGES IN RESPONSE TO LONG-TERM STATION BLACK OUT
Authors: Tjahjono Hendro
Published: August 2017

Due to long-term station black out (SBO) of the RDE (Experimental Power Reactor), the residual heat from the core will be removed to a residual heat removal system (RHRS). The objective of this study is to know the transient characteristic of RDE thermal parameters in response to the loss of residual heat removing ability for long-term. To achieve this objective, an analysis model of reactor thermal parameters changes during SBO, using Matlab program to simulate heat transfer equations of conduction, convection and radiation has been performed. Using this program, the changes of RDE thermal parameters until 800 hours after reactor trip have been analyzed. It is concluded that, in long-term SBO condition, the reactor is still safe with the maximum core temperature of 1140°C, which is still far under the safety limit of 1600°C as stated in the design criteria. More attentions are needed to be taken with the increasing of concrete temperature up to 600°C when the water storage is empty. Therefore, the availability of water in the RHRS shall absolutely be maintained.Keywords: experimental power reactor, residual heat removal, transient, Matlab. INVESTIGASI PERUBAHAN PARAMETER TERMAL RDE PADA KONDISI KEHILANGAN CATU DAYA LISTRIK DALAM JANGKA PANJANG. Akibat kehilangan catu daya listrik luar pada Reaktor Daya Eksperimental (RDE), panas sisa dari reaktor dibuang ke suatu sistem pembuang panas sisa. Penelitian ini bertujuan untuk mengetahui karakteristik transien parameter termal RDE ketika terjadi kegagalan pembuangan kalor sisa tersebut dalam jangka panjang. Untuk mencapai tujuan tersebut telah disusun model analisis perubahan parameter termal reaktor ketika terjadi Station Black Out (SBO) menggunakan pemrograman Matlab dengan melibatkan persamaan-persamaan perpindahan kalor secara konduksi, konveksi dan radiasi. Dengan menggunakan program ini perubahan parameter termal RDE hingga 800 jam setelah reaktor trip telah dianalisis. Disimpulkan bahwa pada kondisi SBO dalam jangka panjang tersebut, reaktor masih tetap aman dengan temperatur maksimum teras sebesar 1140 °C, yaitu masih jauh di bawah batas aman 1600 °C yang telah ditetapkan dalam kriteria desain. Perlu diperhatikan adanya peningkatan temperatur beton hingga 600 °C jika air pendingin sudah habis. Oleh karena itu, ketersediaan air pendingin di sistem pembuang panas sisa mutlak harus dijaga.Kata kunci: reaktor daya eksperimental, pembuang panas sisa, transien, Matlab.
PARAMETRIC STUDY OF LOCA IN TRIGA-2000 USING RELAP5/SCDAP CODE
Authors: Antariksawan Anhar Riza , Widodo Surip , Tjahjono Hendro
Published: August 2017

A postulated loss of coolant accident (LOCA) shall be analyzed to assure the safety of a research reactor. The analysis of such accident could be performed using best estimate thermal-hydraulic codes, such as RELAP5. This study focuses on analysis of LOCA in TRIGA-2000 due to pipe and beam tube break. The objective is to understand the effect of break size and the actuating time of the emergency core cooling system (ECCS) on the accident consequences and to assess the safety of the reactor. The analysis is performed using RELAP/SCDAPSIM codes. Three different break size and actuating time were studied. The results confirmed that the larger break size, the faster coolant blow down. But, the siphon break holes could prevent the core from risk of dry out due to siphoning effect in case of pipe break. In case of beam tube rupture, the ECCS is able to delay the fuel temperature increased where the late actuation of the ECCS could delay longer. It could be concluded that the safety of the reactor is kept during LOCA throughout the duration time studied. However, to assure the integrity of the fuel for the long term, the cooling system after ECCS last should be considered.  Keywords: safety analysis, LOCA, TRIGA, RELAP5 STUDI PARAMETRIK LOCA DI TRIGA-2000 MENGGUNAKAN RELAP5/SCDAP. Kecelakaan kehilangan air pendingin (LOCA) harus dianalisis untuk menjamin keselamatan suatu reaktor riset. Analisis LOCA dapat dilakukan menggunakan perhitungan best-estimate seperti RELAP5. Penelitian ini menekankan pada analisis LOCA di TRIGA-2000 akibat pecahnya pipa dan tabung berkas. Tujuan penelitian adalah memahami efek ukuran kebocoran dan waktu aktuasi sistem pendingin teras darurat (ECCS) pada sekuensi kejadian dan mengkaji keselamatan reaktor. Analisis dilakukan menggunakan program perhitungan RELAP/SCDAPSIM. Tiga ukuran kebocoran dan waktu aktuasi ECCS berbeda dipilih sebagai parameter dalam studi ini.  Hasil perhitungan mengonfirmasi bahwa semakin besar ukuran kebocoran, semakin cepat pengosongan tangki reaktor. Lubang siphon breaker dapat mencegah air terkuras dalam hal kebocoran pada pipa. Sedang dalam hal kebocoran pada beam tube, ECCS mampu memperlambat kenaikan temperatur bahan bakar. Dari studi ini dapat disimpulkan bahwa keselamatan reaktor dapat terjaga pada kejadian LOCA, namun pendinginan jangka panjang perlu dipertimbangkan untuk menjaga integritas bahan bakar.Kata kunci: analisis keselamatan, LOCA, TRIGA, RELAP5
ANALISIS TEKSTUR ZIRCALOY-4 MENGGUNAKAN METODE WILLIAM–IMHOF–MATTHIES-VINEL (WIMV)
Authors: Priyanto Tri Hardi , Li Mei Juan
Published: August 2017

ANALISIS TEKSTUR ZIRCALOY-4 MENGGUNAKAN METODE WILLIAM–IMHOF–MATTHIES-VINEL (WIMV). Zircaloy-4 sebagai kelongsong bahan bakar nuklir telah banyak diteliti secara makroskopik maupun secara mikroskopik, namun penelitian menggunakan teknik difraksi neutron, terutama karakterisasi orientasi kristalit (tekstur) di Indonesia masih jarang dilakukan. Tujuan penelitian ini adalah untuk menerapkan metode WIMV pada karakterisasi tekstur bahan tersebut. Metode WIMV adalah salah satu metode analisis tekstur bahan yang diperoleh dengan teknik difraksi neutron atau difraksi sinar-X. Dari hasil analisis tersebut diperoleh pole figure 002 dengan indeks tekstur (F2) terbesar dibandingkan dengan pole figure yang lain yaitu 100, 101, 102 dan 110. Indeks tekstur (F2) pole figure 002 untuk incomplete pole figure, F2= 4,69 m.r.d dengan faktor reliabilitas RP0 = 3,28%, dan recalculated pole figure, F2 = 4,42 m.r.d. dengan RP1 = 2,97%. Semua pole figure diperoleh faktor reliabilitas dengan pole figure rata-rata RP0 = 6,60%, RP1 = 5,02%, entropy = - 0,5871, dan indeks tekstur, F2= 2,34 m.r.d. Hasil analisis bahan Zircaloy-4 tersebut menyimpulkan bahwa metode WIMV dapat digunakan untuk menentukan arah orientasi tekstur, dimana tekstur yang paling kuat mengarah ke <001> (arah sumbu c) dalam struktur hexagonal.TEXTURE ANALYSIS OF ZIRCALOY-4 USING WILLIAM-IMHOF-Matthies-VINEL (WIMV) METHOD. Zircaloy-4 as a nuclear fuel cladding has been widely examined macroscopically and microscopically, but research using neutron diffraction technique, especially the characterization of crystallite orientation (texture) in Indonesia is still rare. The purpose of this study is to apply the methods of William-Imhof-Matties-Vinel (WIMV) on the characterization of zircaloy-4 material texture. WIMV is one of data analysis method for textures materials obtained by neutron or x-ray diffractions technique. The analysis is obtained that 002 pole figure has the largest texture index (F2) compared to the others pole figures, that are 100, 101, 102 and 110. Index texture (F2) of pole figure 002 for incomplete pole figures, F2 = 4.69 m.r.d with a reliability factor RP0 = 3.28%, and recalculated pole figures, F2 = 4.42 m.r.d with RP1 = 2.97%. For all pole figures, it is obtained that a reliability factor of the average RP0= 6.60%, RP1 = 5.02%, entropy = - 0.5871, and texture index (F2) = 2.34 m.r.d. Data analysis showed that the WIMV method can be used to determine the direction of the crystallite orientation of the pole figure where the most powerful texture leads to the <001>(c-axis direction) in a hexagonal structure.
OPTIMASI PENGGUNAAN HCl SEBAGAI LARUTAN PENGELUSI ITRIUM-90 DALAM DOWEX® 50WX8-200
Authors: Sulaiman Sulaiman , Aguswarini Sri , Karyadi Karyadi , Chairuman Chairuman , S Gatot , Subur M , G Adang H
Published: August 2017

OPTIMASI PENGGUNAAN HCl SEBAGAI LARUTAN PENGELUSI ITRIUM-90 DALAM DOWEX® 50WX8-200. Itrium-90 merupakan radionuklida pemancar β yang mempunyai waktu paruh 64,1 jam dan memancarkan energi β maksimum 2280 keV. Itrium-90 digunakan dalam kedokteran nuklir untuk keperluan terapi. Sistem generator 90Sr/90Y telah dikembangkan untuk mendapatkan 90Y bebas pengemban. Itrium-90 yang diperoleh dari generator 90Sr/90Y berbentuk radiokimia 90Y-sitrat. Bentuk radiokimia 90Y yang ideal untuk penandaan berbagai macam ligan yaitu 90YCl3. Untuk mendapatkan bentuk radiokimia 90Y yang diinginkan dilakukan serangkaian proses dengan metode penukar ion menggunakan resin Dowex® 50WX8-200. Dalam penelitian ini telah dilakukan optimasi penggunaan HCl untuk elusi 90Y dari resin dengan variasi konsentrasi HCl dan waktu kontak saat elusi 90Y dari resin. Pelepasan 90Y dari resin Dowex® 50WX8-200 tergantung pada konsentrasi HCl yang digunakan. Konsentrasi HCl semakin besar laju pelepasan 90Y dari 90Y-Dowex semakin besar.  Waktu kontak optimummenggunakan 5 mL HCl 12 N adalah 60 menit dengan hasil  9,4 %. Hasil uji 90Y setelah dielusi dari Dowex® 50WX8-200 memberikan informasi radionuklida 90Y yang diperoleh dalam bentuk radiokimia 90YCl3. OPTIMIZATION OF USE HCl AS SOLUTION FOR ELUTION ITRIUM-90 IN DOWEX® 50WX8- 200. Yttrium-90 is a β emitter radionuclide with a half life of 64.1 hours and emits the maximum β energy at 2280 keV. Yttrium-90 radionuclide is widely used in nuclear medicine for therapeutic purposes. 90Sr/90Y generator system has been developed to obtain carrier-free 90Y. Yttrium-90 were obtained from the 90Sr/90Y generator in the form of 90Y-citrate radiochemical. The 90Y ideal for tagging ligands is in the form of 90YCl3. To obtain the desired radiochemical a series of processes with ion exchange resin method is performed using Dowex® 50WX8-200. In this study optimization of the use of HCl for has been carried out 90Y elution from the resin with varied HCl concentration and contact time when 90Y is eluted from the resin. The release of 90Y from resin Dowex® 50WX8-200 depending on the concentration of HCl is used. The greater the concentration of HCl release rate of 90Y from 90Y-Dowex greater. The optimum contact time with 5 mL of 12 N HCl is 60 minutes with a result of 9.4%. The 90Y test results after eluted from Dowex® 50WX8-200 indicated that the 90Y was in the form of 90YCl3.
PEMISAHAN Zr – Hf SECARA SINAMBUNG MENGGUNAKAN MIXER SETTLER
Authors: Biyantoro Dwi , Isyuniarto Isyuniarto , Masrukan Masrukan
Published: August 2017

PEMISAHAN Zr – Hf SECARA SINAMBUNG MENGGUNAKANMIXER SETTLER. Telah dilakukan pemisahanZr – Hf secara sinambung menggunakan pengaduk pengenap (mixer settler) 16 stage. Larutan umpan adalah zirkon nitrat dengan kadar Zr = 30786 ppm dan Hf = 499 ppm. Ekstraktan dipakai adalah solven 60 % TBP dalam kerosen dan larutan scrubbingyang dipakai adalah asam nitrat 1 M. Umpan masuk pada stageke 5 dikontakkan secara berlawanan arah dengan solven masuk pada stage ke 16 dan larutan scrubbing masuk pada stage ke 1. Tujuan penelitian ini adalah memisahkan unsur Zr dan Hf dari hasil olah pasir zirkon menggunakan solven TBP dengan alat mixer settler16 stage. Analisis umpan dan hasil proses pemisahan untuk zirkonium (Zr) dilakukan dengan menggunakan alat pendar sinar-X, sedangkananalisis unsur hafnium (Hf) menggunakan Analisis Pengaktifan Neutron (APN). Parameter penelitian dilakukan dengan variasi keasaman asam nitrat dalam umpan dan variasi waktu pada berbagai laju pengadukan. Hasil penelitian pemisahan unsur Zr dengan Hf diperolehkondisi optimum pada keasaman umpan 4 N HNO3, keseimbangan dicapai setelah 3jam dan laju pengadukan 3300 rpm. Hasil ekstrak  unsur zirkon (Zr) diperoleh kadar sebesar 28577 ppm dengan efisiensi 92,76 % serta kadar pengotor hafnium (Hf) sebesar 95 ppm.Kata Kunci: pemisahan Zr, Hf, ekstraksi, mixer settler, alat pendar sinar-X, APN. SEPARATION of Zr - Hf CONTINUOUSLY USE THE MIXER SETTLER. Separation of Zr - Hf continuously using mixer settler 16 stage has been done. The feed solution is zircon nitrate concentration of Zr = 30786 ppm  and Hf = 499 ppm. As the solvent used extractant 60 % TBP in 40 % kerosene. Nitric acid solution used srubbing 1 M. The feed entered into stage to 5 is contacted with solvents direction on the stage to 16 and the scrubbing solution enter the stage to 1. The purpose of this study is to separate Zr and Hf of the results from the process of zircon sand using solvent TBP using 16 stage mixer settler. Analysis of the feed and the results of the separation process for zirconium (Zr) using X-ray fluorescence instrument which hafnium (Hf) using Neutron Activation Analysis (AAN). Parameter study done of acidity variation of nitric acid in the feed and time variation in various stirring speed. From the research the separation of Zr-Hf, the optimum conditions in acidity feed 4 N HNO3, equillibrium was received after 3 hours, and stirring speed of 3300 rpm obtained extract of zircon (Zr) concentration = 28577 ppm (effisiency of Zr = 92,76 %)with impurities of hafnium (Hf) = 95 ppm.Keywords: separation of Zr, Hf, extraction, mixer settlers, X-ray fluorescence, NAA.
USE OF MEMBRANE EMULSION SPAN 80 AND TOPO IN URANIUM EXTRACTION AND STRIPPING
Authors: Basuki Kris Tri , Nurimaniwathy Nurimaniwathy , Puspita Dian , H.B Bambang E
Published: August 2017

USE OF MEMBRANE EMULSION SPAN 80 AND TOPO IN URANIUM EXTRACTION AND STRIPPING. Membrane emulsion span 80 and TOPO used in uranium extraction and stripping has been done. The extraction was carried outby emulsion membrane H3PO4 in TOPO-Kerosene. The feed or external aqueous phase was uranium in  HNO3. The emulgator span-80 was used to obtain a stable emulsion membrane system. The influence factors were percentage of TOPO-Kerosene, time extraction,  molarity of external aqueous phase and  molarity of internal aqueous. After the emulsion membrane was formed, the extractionand stripping process was performed. The ratio volume feed : volume membrane phase equal to 1 : 1 and volume of 5 % TOPO-Kerosene : Volume 3 M H3PO4 equal 1 : 1 were used. The relative good yield were obtained at concentration of TOPO in Kerosene and 3 M H3PO4 was 5 %, molarity of internal aqueous phase equal to 1 M, molarity of external aqueous phase 3 M H3PO4 and time extraction equalto 10 minutes with the speed of emulsification was 8000 rpm. At this condition the extraction efficiency of uranium obtained was 97.8 %, the stripping efficiency 52.56 %, and the total efficiency was 53.80 %.Keywords: membrane emulsion, extraction, stripping, span 80, kerosene, uranium. PENGGUNAAN MEMBRAN EMULSI SPAN 80 DAN TOPO UNTUK EKSTRASI DAN STRIPPING URANIUM. Telah dilakukan penelitian membran emulsi span 80 dan TOPO yang digunakan untuk ekstraksi uranium. Extraksi dengan membran emulsi H3PO4 dalam TOPO-Kerosen. Larutan umpan untuk fasa air eksternal adalah uranium dalam asam nitrat. Untuk memperoleh sistem emulsi yang stabil dipakai emulgator Span 80. Parameter yang berpengaruh adalah persen TOPO-Kerosene, molaritas fasa air internal H3PO4, molaritas fasa air eksternal HNO3 dan waktu ekstraksi. Setelah diperoleh membran emulsi, kemudian dilakukan proses ekstraksi dan stripping, dengan rasio volume umpan : volume membran sebesar 1 : 1; volume 5% TOPO-Kerose : volume 3M H3PO4 sebesar 1 : 1. Hasil relatif lebih baik diperoleh pada konsen-trasi TOPO Kerosene: volume  3 M H3PO4 adalah 5 %, molaritas larutan fasa internal sebesar 1 M, molaritas larutan fasa eksternal adalah 3 M H3PO4 dan waktu ekstraksi sebesar 10 menit dengan kecepatan emulsi 8000 rpm. Pada kondisi ini diperoleh effisiensi ekstraksi uranium 97,8 %, efisiensi stripping 52,56 % dan efisiensi total adalah 53,8 %.Kata Kunci : membran emulsi, ekstraksi, stripping, span 80, kerosen, uranium.
FORTALECIMENTO MUSCULAR EXCÊNTRICO NO TRATAMENTO DA TENDINOPATIA DE AQUILES: UMA REVISÃO SISTEMÁTICA
Authors: Silva Wanderson Fernandes , Marques da Rocha Guilherme , De Aquina Vieira Filho Walter , Marques da Rocha Gustavo , Fernandes Silva Angelina , Guimarães Corrêa Augusto
Published: August 2017

INTRODUÇÃO: A Fisioterapia, no manejo da tendinopatia de Aquiles, utiliza-se de recursos físicos moduladores da inflamação e analgésicos. Como parte do tratamento fisioterapêutico a literatura tem sugerido o exercício de fortalecimento excêntrico com eficaz na resolução de tendinopatias.   OBJETIVO: O presente estudo teve como objetivo a busca de evidências científicas sobre o uso do exercício de fortalecimento excêntrico no manejo da Tendinopatia de Aquiles. MÉTODOS: Para a composição da revisão foi realizada busca por estudos nas base de dados virtuais Pubmed e PEDro. Os descritores utilizados foram as seguintes: Eccentric, tendinopathy, Achilles Tendonitis. Para compor o estudo os artigos deveriam obedecer os seguintes critérios de elegibilidade: artigos publicados na língua inglesa, intervalo de publicação entre 2013 a 2017, ensaios clínicos randomizados, com pontuação superior a 6 na escala de qualidade PEDro. RESULTADOS: Foram localizados um total de 87 artigos, dos quais apenas 21 referiam-se a temática em questão. Dos 21 artigos 14 foram excluídos pelos seguintes motivos: 3 por consistirem em relatos de caso, 1 classificado como revisão de literatura, 1 caracterizava-se como comentário clinico, 1 envolvia um estudo com modelo animal, 1 era um projeto de pesquisa, 5 não classificavam-se com ensaios clínicos randomizados, 1 obteve nota inferior a 6 na escala de qualidade PEDro e 1 deles proporcionava descrição incompleta dos resultados. CONCLUSÃO: O fortalecimento muscular excêntrico caracteriza-se como uma modelo terapêutico de escolha para o manejo da tendinopatia de aquiles, a combinação com outras modalidades potencializa seus efeitos fisiológicos.
EDUCAÇÃO EM SAÚDE PARA GRÁVIDAS E PUÉRPERAS
Authors: Regra Giovanna de Lima , Franco Salerno Gisela Rosa , De Souza Fernandes Susi Mary
Published: August 2017

Introdução: A mulher ao longo da vida passa por inúmeras alterações fisiológicas e psicológicas e, dentre elas, há dois momentos importantes: o período gestacional e o puerpério (pós-parto). Com isso, é de extrema importância a mulher ter, nesses dois momentos, orientação gerais sobre a saúde materno-infantil, para assim, por exemplo, diminuir a morbimortalidade da mãe e do bebê. Objetivo: Verificar e correlacionar os efeitos de uma intervenção de educação em saúde sobre conhecimentos básicos de saúde materno-infantil em gestantes e puérperas. Método: Foi realizado um ensaio clínico de braço único não controlado, ou seja, sem grupo controle, com 64 voluntárias. As voluntárias participaram de encontros nos quais receberam informações sobre a saúde materno-infantil geral, sendo os seguintes temas: períneo, dor lombar, tipos de partos, desenvolvimento neuropsicomotor normal da criança, postura na gestação, Shantala, aleitamento materno e doenças sexualmente transmissíveis. Ao todo foram 8 encontros, com a presença sazonal das voluntárias, com uma avaliação de múltipla escolha no último encontro. Resultados: Houve uma correlação significativa fraca, quando foi relacionada a presença das voluntárias nas palestras com os números de acertos na avaliação final (p=0,292). Já quando as duas coletas foram comparadas percebeu-se que a maioria dos acertos ocorreu nas mesmas variáveis (tipos de partos, desenvolvimento neuropsicomotor normal, aleitamento materno e doenças sexualmente transmissíveis). Conclusão: Este estudo proporcionou aumento no conhecimento da saúde materno-infantil em geral. Ocorreu fraca correlação nos efeitos da intervenção de educação em saúde sobre conhecimentos básicos de saúde materno-infantil.
AVALIAÇÃO FUNCIONAL DA MÃO EM PESSOAS COM E SEM ARTROPATIA DE JACCOUD ASSOCIADA AO LÚPUS
Authors: De Jesus Souza Camille Rosa , Galvão Verena Loureiro
Published: August 2017

Introdução: O lúpus eritematoso sistêmico (LES) é uma doença autoimune, crônica, de caráter difuso, que causa, dentre outros fatores, comprometimento articular A Artropatia de Jaccoud (AJ) é uma inflamação deformante e reversível, que ocorre nas articulações proximais, mais frequentemente observadas em membros superiores. A prevalência epidemiológica da AJ é de 5% para pacientes com LES. O mau alinhamento ou a perda de força podem limitar o movimento, gerar compensações e sobrecargas articulares. O diagnóstico funcional precoce pode auxiliar a reduzir a instalação das deformidades articulares. Objetivo: Comparar a amplitude de movimento e a força de preensão palmar em pessoas com e sem AJ associado LES. Métodos: Estudo transversal onde os pacientes foram alocados em dois grupos: com diagnóstico de LES e com diagnóstico de LES associado à AJ. Os instrumentos utilizados: dinamômetro, goniômetro de dedos e o goniômetro universal. Resultados: Participaram do estudo 67 mulheres com LES, das quais, 32 tinham AJ. As características sociodemográficas e clínicas dos grupos foram consideradas homogêneas para as variáveis analisadas. Foi observada uma diferença significativa entre os grupos, com exceção do grau de extensão da interfalangeana do primeiro quirodáctilo direito (p= 0,073), da interfalangeana distal do quarto quirodáctilo esquerdo (p= 0,083) e interfalangeana distal do primeiro quirodáctilo esquerdo (p= 0,435). Conclusão: As pessoas com AJ associada ao LES apresentaram amplitude articular superiores e força de preensão palmar menor em relação às pessoas apenas com LES. Estes resultados sugerem que ainda há necessidade de estudos complementares para observação da funcionalidade de mãos destas pessoas.
A technológiai közelség által közvetített agglomerációs előnyök hatása a hazai vállalatok túlélésére
Authors: Elekes Zoltán , Juhász Sándor
Published: August 2017

A gazdasági tevékenységek térbeli sűrűsödéséből származó agglomerációs előnyökhöz nem egyformán férnek hozzá a vállalatok. Különösen a tudástúlcsordulás formájában jelentkező előnyök kihasználásához a technológiai tudás hasonlóságára, közelségére van szükség. Ez a technológiai közelség kedvezően hat a térségek gazdasági növekedésére és az új gazdasági tevékenységek megjelenésére, ugyanakkor jóval kevesebbet tudunk ezeknek az új tevékenységeknek a fennmaradásáról. Tanulmányunk célja a technológiai közelség által közvetített agglomerációs előnyök és a hazai induló vállalatok túlélése közötti kapcsolat vizsgálata az evolúciós gazdaságföldrajz nemzetközi irodalmában elterjedt módszer adaptálásával. Ezen felül feltárjuk, hogy ezek az előnyök egyformán hozzáférhetők-e a külföldi és hazai tulajdonú vállalatok számára.Áttekintjük a technológiai közelség és kapcsolódó változatosság szakirodalmát, majd a KSH vállalati szintű paneladatbázisára támaszkodva, mintánkat a hazai kistérségekben 2005 és 2011 között induló feldolgozóipari vállalatokra szűkítve, Cox arányos kockázati modelljének segítségével elemezzük a vállalati túlélést. Eredményeink alapján a hazai kistérségekben induló feldolgozóipari vállalatok túlélését a térségi gazdasági tevékenységek változatosságán alapuló agglomerációs előnyök segítik. Ez a hatás elsősorban a technológiai értelemben közeli iparágak kapcsolódó változatosságából fakad, és a fennálló gazdasági szerkezetet útfüggő módon erősíti. Ez az eredmény a szakpolitika számára annak lehetőségét veti fel, hogy kapcsolatteremtési platformok és tanácsadás formájában segítse az induló vállalkozások túlélését, mivel a kapcsolódó változatosság regionális jelenlétét a vállalatok nem feltétlenül észlelik lehetőségként. A kapcsolódó változatosságból származó előnyökhöz a külföldi tulajdonú induló vállalatok a hazai versenytársaiknál nagyobb mértékben férnek hozzá.
Tuberculosis verrucosa cutis
Authors: S Krishnabharath
Published: August 2017

We report a case of 23-year-old male patient with tuberculosis verrucous cutis on the foot for a duration of six months without responding to routine treatment. Tuberculosis is a common disease worldwide. Extrapulmonary tuberculosis contributes to 10% of cases. Cutaneous tuberculosis occupies a small spectrum of extrapulmonary tuberculosis. Tuberculosis verrucosa cutis is an exogenous infection occurring in a previously sensitized patient by direct inoculation of the organism. It occurs in sensitized patients with a moderate to high immune response. The diagnosis in our patient was confirmed by history, clinical examination, histopathological examination and the patient’s response to anti-tuberculous therapy.
A didática na educação para o trânsito: uma interlocução possível e necessária
Authors: Tarocco Luciane Napolitano de Mezas , Omodei Juliana Dalbem
Published: August 2017

O artigo busca contribuir com a discussão sobre trânsito e educação. Para isso, primeiro analisa a epistemologia da palavra didática e a relação que esta possui com conceito de educação. Em seguida, apresenta a relação da educação para o trânsito com a didática. Segue-se a conclusão tendo em consideração os dados levantados por meio da pesquisa bibliográfica. Espera-se contribuir na tentativa de lançar luz ao debate social sobre as possíveis formas de entender o trânsito como fruto da vida em sociedade, acreditando que as possíveis soluções para problemas no trânsito só poderão existir se os pontos de vista forem norteados pela dualidade educação e cidadania.
Uma análise histórica das tecnologias inseridas na educação
Authors: Ribeiro Alexandra Ferreira Martins , Alflen Adriana Ferreira Martins , Vieira Alboni Marisa Dudeque Pianovski
Published: August 2017

Esta pesquisa visa discutir sobre a implantação de algumas tecnologias na educação. Como objetivos específicos, pretende-se apresentar algumas tecnologias educacionais que foram inseridas nas salas de aula; relacionar essas tecnologias educacionais as suas possíveis intencionalidades e discutir a inserção dessas tecnologias educacionais no cotidiano dos professores. A metodologia utilizada foi a análise bibliográfica, que contou com o arcabouço teórico de Brito e Purificação (2011); Viñao Frago (2008); Razzini (2008) e Habermas (2014). Foi possível perceber que, atreladas aos processos produtivos, as tecnologias foram implantadas na educação como subsídios para a expansão da educação elementar nos séculos XVIII, XIX e XX. Contudo, com o advento das tecnologias da informação e da comunicação, no final do século XX, essas ferramentas chegaram às salas de aula de forma mais rápida e geraram novos desafios e possibilidades aos processos de ensino e aprendizagem.
Capital social e turismo rural em uma associação do norte do Rio Grande do Sul: um estudo da Rota das Salamarias
Authors: Dos Santos Jaqueline , Melara Fabiana , Severo Eliana Andréa , Macke Janaina
Published: August 2017

Resumo O capital social é a soma dos recursos reais e potenciais de uma rede de relacionamentos de uma unidade individual ou social. O objetivo com a presente pesquisa foi entender como o capital social contribui para o desenvolvimento do turismo rural na Associação Rota das Salamarias, localizada na região Norte do Rio Grande do Sul. A pesquisa caracteriza-se como qualitativa, tendo como abordagem o estudo de caso, e quanto ao propósito pode ser definida como descritiva. Para a coleta de dados realizaram-se entrevistas semiestruturadas. Posteriormente, as entrevistas foram integralmente transcritas e realizou-se análise de conteúdo. Entre os principais resultados obtidos se destaca o fato de o turismo rural ser uma estratégia de desenvolvimento local que contribui para a geração de renda e para a manutenção das famílias em suas propriedades, fortalece o empreendedorismo familiar e amplia a relação entre as famílias que compõem a Rota. Também, identificou-se a relevância do crescimento econômico e do capital social reconhecido no formato de interação social proporcionado pela referida Associação, visto que essa coesão social fundamenta a construção de vantagens competitivas sustentáveis, dado que o conhecimento é adquirido e transmitido a todos que fazem parte da rede de parceiros, gerando riquezas para as propriedades e para a região da qual fazem parte.Palavras-chave: Capital social. Turismo rural. Associação Rota das Salamarias. Vantagens competitivas. Abstract Social capital is the sum of the actual and potential resources of a network of relationships of individual or social unit. The aim of this research was to understand how the social capital contributes for the development of rural tourism in Rota das Salamarias. The research is characterized as qualitative, with the approach of the case study, and regarding the purpose it can be defined as descriptive. For data collection semi-structured interviews were carried out. Subsequently, the interviews were fully transcribed and the content analysis was performed. Among the main findings stands out  the fact that rural tourism is a local development strategy that contributes for the income generation and for the maintenance of families in their properties, strengthens the family entrepreneurship and expands the relationship between the families that make up the route. Also, it was identified the importance of economic growth and the social capital recognized in the interaction format provided by that Association, since this social cohesion supports the building of the sustainable competitive advantages, since knowledge is acquired and transmitted to everyone who is part of the network of partners, generating wealth for the properties and for the region to which they belong.Keywords: Social capital. Rural tourism. Association Rota das Salamarias. Competitive advantages.
Os efeitos dos royalties da mineração sobre a promoção do desenvolvimento econômico dos municípios baianos: uma análise para o período entre 2009 e 2011 por meio da abordagem DEA
Authors: Cerqueira Jéssica da Silva , De Rezende Adriano Alves , Santos Carlos Eduardo Ribeiro
Published: August 2017

Resumo Desde 2007, o setor mineral na Bahia vem elevando sua atividade e aumentando a arrecadação da Compensação Financeira pela Exploração de Recursos Minerais (CFEM) ou royalties da mineração. Assim, com este trabalho visou-se demonstrar o efeito da CFEM sobre o desenvolvimento dos municípios baianos, particularmente sobre a educação, por meio da Análise Envoltória de Dados – Data Envelopment Analysis (DEA). Com o objetivo de demonstrar o investimento eficiente dos recursos advindos da CFEM utilizaram-se como amostra 93 municípios, no período de 2009 a 2011. Foram coletados dados do Índice Firjan de Desenvolvimento Municipal (IFDM) e do Ministério de Minas e Energia. Constatou-se que a alocação eficiente da CFEM não se relaciona diretamente com seu volume. Dos municípios analisados, cinco apresentaram eficiência em sua alocação. Quanto à sua eficiência sobre educação, percebeu-se que estes são mais bem percebidos em municípios pequenos. Conclui-se que a mineração gera empregos direta e indiretamente e tende a fomentar o desenvolvimento dos municípios baianos mediante a CFEM.Palavras-chave: Bahia. CFEM. Desenvolvimento econômico. Eficiência. IFDM.  Abstract Since 2007, the mining sector in Bahia has increased its activity and increased the collection of the Financial Compensation for Mineral Exploration (FCME), or mining royalties. Thus, this paper aimed to demonstrate the effect of FCME on the development in the municipalities of Bahia, particularly on education, through Data Envelopment Analysis (DEA). In order to demonstrate the efficient investment of resources coming from the FCME 93 municipalities were used as sample in the period between 2009 and 2011. Data were collected from the Municipal Development Firjan Index (MDFI) and the Ministry of Mines and Energy. It was found that the efficient allocation of FCME is not directly related to its volume. From the municipalities analyzed, five had efficiency in their allocation. Regarding their the efficiency on education, it was realized that these are best perceived in small municipalities. It was concluded that mining generates direct and indirect jobs and tends to foster development in the municipalities through FCME.Keywords: Bahia. FCME. Economic development. Efficiency. MDFI.
Competências gerenciais dos coordenadores de cursos de instituições privadas de ensino superior na cidade de Fortaleza, CE
Authors: Ferreira Jesuína Maria Pereira , Paiva Kely Cesar Martins
Published: August 2017

O coordenador de curso está inserido em um cenário que envolve sucessivas mudanças em termos econômicos, sociais e demográficos, o que provocou uma renovação na forma como as instituições de ensino superior devem ser gerenciadas em face da necessidade de sobrevivência ao ambiente competitivo em que estão inseridas. O objetivo com esta pesquisa foi analisar o grau de utilização e de importância das competências gerenciais em instituições privadas de ensino superior na Cidade de Fortaleza, Ceará, segundo a percepção de coordenadores de Cursos de graduação em Administração e Ciências Contábeis. A pesquisa foi caracterizada como de campo, descritivo-exploratória, com abordagens quantitativa e qualitativa, ou seja, com métodos mistos. Os dados de 17 questionários foram tratados por meio da estatística descritiva, com a utilização do software Statistical Package for Social Sciences (SPSS); já os dados das 17 entrevistas com roteiro semiestruturado foram submetidos à análise de conteúdo (BARDIN, 2010). Os achados deste estudo demonstraram que os coordenadores de cursos consideram a maioria das competências gerenciais disponibilizadas como muito utilizada e importante, indicando que as competências gerenciais exercem um papel significativo no desempenho das suas funções e que esses coordenadores estão inseridos em um contexto de alta produtividade.Palavras-chave: Competências gerenciais. Coordenador de curso. Instituições de ensino superior. Abstract The course coordinator is inserted in a scenario involving successive changes in economic, social and demographic terms, which caused a renewal in the way higher education institutions must be managed in light of the need to survive the competitive environment in which they operate. The objective of this research was to analyze the degree of use and importance of management competencies in private institutions of higher education in the City of Fortaleza, Ceará, according to the perception of Course coordinators degree in Administration and Accounting Sciences. The research was characterized as field-based, descriptive-exploratory, with quantitative and qualitative approaches, that is, with mixed methods. Data from 17 questionnaires were treated using descriptive statistics using the Statistical Package for Social Sciences (SPSS) software; already the data of the 17 interviews with semi-structured script were submitted to content analysis (BARDIN, 2010). The findings of this study demonstrated that the course coordinators consider most management competencies available as widely used and very important, indicating that the management competencies play a significant role in the performance of their duties and that these coordinators are inserted in a high productivity environment.Keywords: Management competencies. Course coordinator. Higher education institutions.