bluuebunny/crossref_metadata_2025_split huggingface dataset:
Experimental Investigation of Heat Transfer to Air–Water Flow in Downward Inclined Square Pipe
Authors: H. Hameed Rafel 
Published: August 2024

Two-phase local heat transfer coefficient and flow pattern in 4.5 cm inner length of glass square test section downwardly pipe inclination angles of 5o, 10o, and 15o were investigated experimentally. Two superficial velocities for each air and water were used 0.164 m/s, 0.411 m/s and 1.1506 m/s, 1.4815m/s respectively. Local heat transfer coefficient was calculated from the temperature recorded by using eight thermocouples type K positioned along the test section. It was found that the heat transfer coefficient of air-water flow increase with increasing flow rate of water, air, and inclination angle. In addition a high speed camera was used in order to obtain images sequence of the flow under different selected conditions. The flow regimes, which are stratified, intermittent, and annular flow are observed and recorded by high speed camera. At 5o inclination angle and low air-water superficial velocity stratified flow observed, transition from stratified to intermittent flow and annular flow occurs at increasing the inclination angle and air-water superficial velocity. Correlations on average Nusselt number were obtained for three inclination angle 5o, 10o, and 15o.
Experimental and Computational Investigation of Dynamics Effects in a High Speed Centrifugal Pump
Authors: A. Wahab Abdul Kareem , S. Mushatet Khudheyer , H. Ajeel Wissam 
Published: August 2024

Experimental and numerical investigation of a high speed centrifugal pump has been carried out. In experimental work, a test rig which includes a centrifugal pump, fast response piezoelectric pressure transducers, Rota meter flow and measurement instrumentations is designed and constructed. Two impellers having different outlet diameters were examined for the same volute. A data acquisition system (hardware) and its software (Visual Basic language) have been developed to analyze the pressure transducer signal in order to obtain the pressure fluctuations. The governing partial differential equations (continuity, momentum) besides to turbulence model are discretized to algebraic equations by using finite volume method. The solution of these equations was done by using FLUENT 6.3 commercial code. This code has the ability to use a grid generation technique and transform the physical domain to a computational domain by using GAMBIT 2.2.3 software. The effect of turbulence was simulated by using a standard k-e model. The wall function laws are used to remedy the regions near the rotating and volute walls. The effect of angular position of impeller and impeller’s diameter on the flow behavior is studied for different values of volume flow rate. The obtained results show that the pressure fluctuations registered in the volute were found to be very dependent on both angular position and volume flow rate. It is observed that the pressure fluctuations have maximum values at volume flow rate (Q=0.5QN) for the considered two impellers at angular position (?= 270o). These values increase as impeller diameter increases. The results also show that the higher static pressure values are observed upstream of the leading edge at the volute tongue (stagnation point) while the minimum was found at impellers eye. A comparison between experimental and numerical results is done and the agreement was acceptable.
Keberadaan Escherichia coli Pada Air Sungai Musi Kota Palembang
Authors: Masito Masito , Novianti Dewi , Marmaini Marmaini 
Published: August 2024

This research is entitled The Existence of Escherichia coli in Musi River Water, Palembang City. This research was conducted from April to May 2024 at the Palembang Public Health Laboratory Center. This research aims to analyze the number of E.coli in the Musi River water in the city of Palembang. The location for sampling river water is divided into 3 (three) stations, namely upstream (Musi VI), middle (Ampera) and downstream (Musi IV). Each river water sample was taken 2 (two) times on different days at low tide. This sample was taken by purposive sampling and 10 ml of each river water sample was taken. River water samples were tested using the membrane filter method. The results showed that the ALT value in river water at station 1 on the 1st day was 2.2 x 103 CFU/ml, at station 1 on the 2nd day as much as 2.4 x 103 CFU/ml, at station 2 on the 1st day as much as 1.9 x 103 CFU/ml, at station 2 on the 2nd day as much as 2.3 x 103 CFU/ml, at station 3 on the 1st day as much as 1.7 x 103 CFU/ml, at station 3 on the 3rd day as much as 2.1 x 103 CFU/ml. All positive samples contained E.coli bacteria, and exceeded the threshold for hygienic water and sanitation, namely above 0 CFU/100 ml (Permenkes, 2023)
Biometric Voting Integrated with Islamic Political Principles: to Enhance Democracy in Bangladesh's E-Voting System
Authors: Mohammad Eisa Ruhullah  , Thameem Ushama  
Published: August 2024

This paper addresses the vital importance of fair and transparent elections as the foundation of a robust democracy, crucial for representing citizens' voices and fostering trust in the electoral process. In Bangladesh, the pursuit of fair elections faces significant challenges, including transparency issues, accountability concerns, and instances of voter fraud. This analysis presents a novel approach that combines Quranic principles with biometric voting technology to address the challenges faced by the current voting system. Taking inspiration from Islamic values, particularly those that emphasize justice, equality, and accountability, the proposed framework intends to improve the democratic aspect of e-voting in Bangladesh. By incorporating biometric authentication mechanisms, such as fingerprint or iris scanning, this framework seeks to ensure the integrity of the voting process while adhering to Quranic and Prophetic principles of fairness and transparency. This study explores the feasibility and implications of implementing such a system within Bangladesh's electoral landscape through a multidisciplinary approach that bridges Islamic scholarship, technological innovation, and political theory. By leveraging the potential of biometric voting technology guided by Quranic principles, this research contributes to the ongoing discourse on electoral reform and democratization in Bangladesh, offering valuable insights into how technology and ethical considerations can intersect to strengthen democratic governance.
Deciphering the Key Drivers of Sustainability : Harnessing Artificial Intelligence in Data Analytics to Unravel the Dynamics of Decarbonisation in Pursuit of Sustainable Development
Authors: Patria Harry , Djuwita A. Rahim  
Published: August 2024

In the epoch where climate change poses an existential threat to humanity, understanding the intricate dynamics of CO2 emissions is more critical than ever. This study embarks on an ambitious journey to unravel the complex interplay of factors influencing carbon emissions, leveraging the prowess of Artificial Intelligence (AI) and the analytical capabilities of Power BI. Anchored in the context of the United Nations' Sustainable Development Goals (SDGs), this research transcends traditional analytical boundaries, offering a novel lens to view and interpret environmental data. At the heart of this exploration lies the UN SDG dataset, a rich tapestry of environmental, economic, and social indicators. The study's methodology is a fusion of advanced AI techniques with Power BI's visualization influencers, a combination that not only promises precision but also an unprecedented depth of insight. This dual approach enables a multifaceted analysis, capturing the nuances and subtleties often lost in conventional studies. The findings of this research are both revealing and transformative. They shed light on the significant yet varied factors that drive CO2 emissions across different geographical and socio-economic landscapes. The study unveils a striking correlation between increased access to electricity and GDP per capita with rising carbon emissions, a pattern particularly pronounced in developing regions. Conversely, in more developed contexts, the analysis reveals a complex interplay between emissions, literacy rates, and fertility rates, suggesting indirect yet potent pathways through which socio-economic development influences environmental outcomes. The insights gleaned offer a beacon for policymakers, illuminating the pathways to tailor environmental strategies that resonate with the unique needs of different regions. For developing nations, the study advocates for policies that intertwine educational and family planning initiatives with environmental objectives. In contrast, for developed countries, it underscores the need for technological innovation and efficiency improvements. The study's innovative use of AI and Power BI sets a new precedent in environmental research, demonstrating the immense potential of these tools in shaping sustainable futures.
EFFECT OF TAX INCENTIVES ON MSMEs’ TAX COMPLIANCE IN NIGERIA
Authors: Ellawule Abdulhamid , Bashir Yusuf Maiwada , Dalhat Bala Sulaiman , Suleiman Naziru 
Published: August 2024

Tax incentives have been used as tools to encourage investments and tax compliance from businesses. Little is known about the effect of tax incentives on tax compliance of Micro, Small and Medium Enterprises (MSMEs) in Nigeria. The study, therefore, investigated the effect these tax incentives (the Nigerian government tax exemption to MSMEs with income of a particular threshold and low-interest financing) have on the tax compliance of MSMEs in Nigeria. The study adopted quantitative research and administered questionnaires to MSMEs in Nigeria. Guided by the theories of social influence and slippery slope, the study employed the regression technique for the analysis and concluded that tax incentives have a significant effect on the tax compliance of MSMEs in Nigeria. Also, tax exemption and low-interest financing have a significant effect on the tax compliance of MSMEs in Nigeria. The study has contributed to the body of knowledge by showing the effect the government tax policy of tax exemption to MSMEs has on tax compliance. The different incentives of government are not sufficiently communicated to these businesses to take advantage of. It is, therefore, recommended that government policies especially on incentives to MSMEs should be well broadcast through different social media platforms for them to benefit.
ROLE OF eWOM, FACILITIES, AND EXPERIENTIAL MARKETING TOWARDS REVISIT INTENTION THROUGH TOURISM SATISFACTION AS AN INTERVENING VARIABLE IN LEDOK SAMBI, SLEMAN, YOGYAKARTA
Authors: Rakhmawati Utami , Fadhilah Muinah , Lukitaningsih Ambar 
Published: August 2024

The purpose of this study is to determine and analyze the influence of eWOM, facilities, and experiential marketing on revisit intention through tourist satisfaction as an intervening variable. The sample used was tourists who visited Ledok Sambi in Sleman, Yogyakarta with a total sample of 100 respondents. The data collection method uses questionnaires with accidental sampling techniques, while data analysis techniques use inferential analysis consisting of indicator tests, fit model tests, hypothesis tests, and path analysis with the help of smart pls 3.2.9 analysis tools. The results of the study showed that eWOM does not affect tourist satisfaction, facilities have a positive and significant effect on tourist satisfaction, experiential marketing has a positive and significant effect on tourist satisfaction, eWOM has no effect on revisit intention, facilities do not affect revisit intention, experiential marketing does not affect revisit intention, tourist satisfaction has a positive and significant effect on revisit intention, tourist satisfaction is unable to mediate the relationship between eWOM and revisit intention, tourist satisfaction is unable to mediate the relationship between facilities and revisit intention, tourist satisfaction is unable to mediate the relationship between experiential marketing and revisit intention. The results of this study are expected to be a reference and input for managers to improve what factors can increase satisfaction and revisit intention for tourists and can be used as a reference for further research.
PENGARUH KINERJA KEUANGAN TERHADAP NILAI PERUSAHAAN PERTAMBANGAN YANG TERCATAT DI BURSA EFEK INDONESIA (BEI) DENGAN CORPORATE SOCIAL RESPONSIBILITY SEBAGAI MODERASI
Authors: Maria Evi , Semida Tika , . Kadarusman 
Published: August 2024

Penelitian ini bertujuan untuk membuktikan secara empiris pengaruh Kinerja Keuangan terhadap Nilai perusahaan yang diproyeksikan dengan ROA apakah CSR mampu memoderasi hubungan antara Kinerja Keuangan dan Nilai Perusahaan. Pengumpulan data penelitian ini berasal dari publikasi yang diterbitkan di Data Bursa Efek Indonesia (BEI). Populasi dari penelitian ini adalah Perusahaan Manufaktur yang terdaftar di Bursa Efek Indonesia tahun 2019, dengan sampel adalah Perusahaan Manufaktur sesuai dengan kriteria yang ditetapkan. Teknik analisis data yang digunakan adalah regresi liner sederhana dan regresi moderasi. Hasil penelitian ini menunjukkan bahwa Kinerja Keuangan berpengaruh positif dan signifikan terhadap Nilai Perusahaan, tinggi rendahnya rasio laba bersih terhadap total aset berimplikasi pada tinggi rendahnya nilai perusahaan artinya tinggi rendahnya rasio laba bersih terhadap total aset berimplikasi terhadap tinggi rendahnya nilai perusahaan. Begitu pula CSR mampu memoderasi kinerja keuangan terhadap nilai perusahaan, artinya pengungkapan CSR dapat memperkuat hubungan Kinerja Keuangan yang berimplikasi pada peningkatan nilai perusahaan.
ANALISIS KINERJA KEUANGAN UMKM (Studi Kasus Pada UMKM Marsalia Embroidery Malang)
Authors: Sa'adah Lailatus , Potalangi Christine Clearesta , Tjahjani Fera 
Published: August 2024

Tujuan penelitian ini adalah untuk menganalisis kinerja keuangan UMKM Marsalia Di Kota Malang. Jenis penelitian ini merupakan jenis penelitian deskriptif. Adapun tahapan dalam prosedur analisis penilitian ini adalah mengukur atau menghitung rasio keuangan, menganalisa rasio keuangan dan penilaian dilakukan dengan membandingkan hasil perhitungan rasio perusahaan dengan standar rasio. Hasil analisis menunjukkan bahwa keadaan likuiditas UMKM Marsalia secara keseluruhan menunjukkan perkembangan yang cukup baik. Hal ini ditunjukkan dengan adanya Current Ratio, Quick Ratio, dan Cash Ratio yang semakin meningkat. Hal ini menunjukkan bahwa UMKM Marsalia dalam memenuhi kewajiban yang jatuh tempo telah mendapat jaminan yang baik. Keadaan aktivitas UMKM Marsalia secara keseluruhan menunjukkan perkembangan yang cukup baik. Hal ini berarti penggunaan sumber-sumber dana yang dimilikinya cukup efektif dan mengalami perputaran persediaan dan total aktiva yang cukup efektif, walaupun penurunan total aktivanya dari tahun ke tahun dirasa cukup lambat. Keadaan solvabilitas UMKM Marsalia secara keseluruhan menunjukkan perkembangan yang cukup baik. Hal ini ditunjukkan oleh adanya penurunan debt to equity ratio. Penurunan rasio tersebut menggambarkan bahwa UMKM Marsalia mengalami perbaikan, karena terjadi penurunan jumlah rasio utang. Keadaan profitabilitas Marsalia secara keseluruhan menunjukkan perkembangan yang baik.
PENGARUH FAKTOR SOSIAL EKONOMI TERHADAP MINAT MENABUNG ORANG TUA PADA KOPERASI SIMPAN PINJAM SWASTI SARI CABANG KEFAMENANU
Authors: Babulu Natalia Lily , Seran Sirilius , Ose Maria Verena 
Published: August 2024

Penelitian ini bertujuan untuk mengetahui pengaruh pendapatan orang tua, konsumsi, suku bunga, masa depan anak, dan pendidikan orang tua terhadap minat menabung pada koperasi simpan pinjam cabang kefamenanu. Data yang digunakan dalam penelitian ini yaitu data primer dan sekunder. Populasi yang digunakan sebanyak 270 orang dengan sampel terpilih sebanyak 135 orang. Jenis penelitian yang digunakan adalah penelitian kuantitatif. Data dikumpulkan melalui pembagian kuesioner dan wawancara secara langsung pada nasabah KSP Swasti sari. Data yang terkumpul diuji terlebih dahulu dengan uji validitas dan reliabilitas. Selanjutnya, data dianalisis dengan, uji asumsi klasik dan uji hipotesis. Hasil penelitian menunjukkan bahwa 1) pendapatan orang tua berpengaruh terhadap minat menabung pada KSP swasti sari cabang kefamenanu 2) konsumsi berpengaruh terhadap minat menabung pada KSP swasti sari cabang kefamenanu 3) suku bunga berpengaruh terhadap minat menabung pada KSP swasti sari cabang kefamenanu 4) masa depan anak berpengaruh terhadap minat menabung pada KSP swasti sari cabang kefamenanu 5) pendidikan orang tua berpengaruh terhadap minat menabung pada KSP swasti sari cabang kefamenanu 6) Pendapatan orang tua berpengaruh terhadap konsumsi pada KSP swasti sari cabang Kefamenanu. 7) Pendapatan orang tua berpengaruh terhadap masa depan anak pada KSP swasti sari cabang Kefamenanu. 8) Pendidikan orang tua berpengaruh terhadap konsumsi pada KSP swasti sari cabang Kefamenanu. 9) Pendapatan orang tua berpengaruh terhadap pendidikan orang tua pada KSP swasti sari cabang Kefamenanu 10) Pendapatan orang tua, konsumsi, suku bunga, masa depan anak dan pendidikan orang tua berpengaruh terhadap Minat menabung pada KSP Swasti sari cabang kefamenanu.
PENGARUH HUBUNGAN REKAN, LINGKUNGAN DAN PENGALAMAN TERHADAP MOTIVASI KERJA KARYAWAN
Authors: Amin Aminul , Adi Wawan , Zuchroh Imama 
Published: August 2024

Penelitian ini bertujuan untuk mengetahui dan menganalisis pengaruh Hubungan rekan, lingkungan dan pengalaman terhadap motivasi kerja karyawan di PR. Pisang Agung, Tumpang Kab. Malang. Dalam penelitian ini, menggunakan sampel yang berjumlah 50 Karyawan. Jenis penelitian yang digunakan yaitu kuantitatif dengan mengolah data yang diperoleh dari kuesioner setelah terlebih dahulu ditransformasikan ke dalam data numeric (angka) dengan menggunakan skala likert. Data tersebut diolah dengan menggunakan software SPSS . Analisis yang digunakan adalah analisis linear berganda. Dari hasil koefisien determinasi yang didapat adalah = 0,921 dan besarnya pengaruh antara hubungan rekan, lingkungan dan pengalaman terhadap motivasi kerja karyawan di PR. Pisang Agung sebesar 82,0%. Dari hasil ANOVA menunjukkan bahwa F hitung sebesar 75,607 sedangkan F tabel sebesar 2,81 yang dapat dilihat pada α = 0,05 atau sebesar 5%. Probabilitas siginifikan jauh lebih kecil dari 0,05 yaitu 0,000 < 0,05, maka model regresi dapat dikatakan bahwa dalam penelitian ini hubungan rekan, lingkungan, dan pengalaman secara simultan berpengaruh signifikan terhadap motivasi kerja karyawan. Maka hipotesis dalam penelitian ini dierima.
Analisis Sektor Unggulan Provinsi DKI Jakarta Menggunakan Pendekatan LQ Thaun 2022
Authors: Habib Miftahul , Alfath Muhammad Anbia 
Published: August 2024

Perekonomian merupakan faktor penting bagi setiap daerah dan negara, karena pertumbuhan ekonomi dapat menunjang kemajuan daerah ataupun negara. Kemajuan/keberhasilan ekonomi dapat diukur menggunakan PDB dan PDRB. Pada dasarnya PDB merupakan jumlah nilai tambah yang dihasilkan oleh seluruh unit usaha dalam suatu negara tertentu, sedangkan PDRB merupakan jumlah nilai tambah (Value Added) yang dihasilkan oleh seluruh unit usaha dalam suatu daerah tertentu. Ketimpangan pembangunan antar daerah dengan pusat dan antar daerah dengan daerah lain merupakan suatu hal yang wajar, dikarenakan adanya perbedaan dalam sumber daya dan pelaksanaan awal pembangunan antar daerah. Penelitian ini bertujuan untuk menganalisis sektor apa saja yang menjadi sektor unggulan pada perekonomian di daerah provinsi DKI Jakarta dengan menggunakan pendekatan LQ (Location Quotient ). Penilitan ini juga menggunakan metodologi penelitian kuantitatif, dengan menggunakan data sekunder yang diambil dari data BPS.
ROCK PHYSICS SIMULATION OF RESERVOIR SAND_K2 IN ‘KUTI’ FIELD, DEEP OFFSHORE NIGER DELTA
Authors: Oladele Sunday , Onayemi John Ramon , Rotimi Salami 
Published: August 2024

Rock physics modelling has been employed in studying the elastic behaviors of reservoir SAND_K2 in the ‘KUTI’ Field, Niger Delta under a plausible production scenario of increasing water saturation. The study aimed to investigate how variation in reservoir fluid saturation will influence seismic attributes and determine the characteristics of expected time-lapsed (4-D) seismic signals that may be generated due to the effects of production. Multivariate cross-plot analyses of petro-elastic parameters were carried out to establish the seismic characteristics of the target reservoir with different pore fluids in its natural state before production. Fluid replacement modelling was applied to calculate measurable changes in the reservoir’s seismic characters by steadily increasing the water saturation from its initial value to 100%. Synthetic logs of petro-elastic parameters were created for different values of water saturation and combined into property cross-plots to predict the dynamic seismic response of the reservoir as brine gradually replaced hydrocarbon. Results showed that fluid changes from hydrocarbon to brine produced significant and quantifiable seismic signatures for time-lapse monitoring investigation. At some future points in the production history of the field under increasing water saturation conditions, the density, P-wave velocity and acoustic impedance of SAND_K2 increase and produce a negative seismic difference data of P-wave amplitude. Based on the responses of reservoir SAND_K2 under modelled production conditions, the study concluded that rock physics analysis can help to optimize and enhance the success of time-lapse monitoring of the KUTI Field.
The Experience of Using a Shariah-Compliant Homestay Accommodation Facility Service in Sabah: From The Perspective of a Tourist or Guest
Authors: Abdul Muin Suhailah , Abdullah Mohd. Nor Azan , Samuni Norcikeyonn 
Published: August 2024

This research aimed to explore the experience of using Shariah-compliant homestay accommodation services in Sabah from the perspective of tourists or guests. The analysis results established that tourists or guests who stayed at Shariah-compliant homestays in Sabah encountered a distinct and worthwhile experience compared to conventional accommodation. The experience was about an environment that reflects Islamic values and is free from practices contrary to moral and religious principles. Social and cultural interactions between tourists, guests, and hosts strengthened friendly relations while presenting the same religious values. This research utilised an online questionnaire distribution method to 260 random respondents. This paper researched two vital aspects: travel information for tourists or guests and shared experiences obtaining Shariah-compliant accommodation services, especially in Sabah. The study data verified that, tourists or overnight guests chose homestay accommodation of the single house or bungalow type, with 150 respondents (57.7%) and 200 respondents (76.9%), respectively. They commented that they have experienced staying in accommodation that offers Shariah-compliant services. Furthermore, this study aimed to analyse the accommodation experience of tourists or those staying at Shariah-compliant homestays in Sabah, exploring aspects such as the accommodation environment, hospitality, facilities, and interaction with the host from the user's perspective. Hopefully, this investigation will disclose essential aspects of constructing a memorable and momentous experience for the guests by understanding their needs and expectations as a measuring tool to advance in the future for the development of Shariah-compliant accommodation.