Judul: Analysis on Ecohouse’s space arrangement and airflow in rural area.
Abstrak: This paper explores the potential of temperature distribution using ventilation and natural convection in a Eco-house’s space arrangement and air flow in rural area by natural air cooling system for a construction designs as an illustrating Eco-House in Indonesia. The characteristics of the construction are analyzed in terms of heat and mass transfer and also air circulation by the Computational Fluid Dynamic method and practice. Based on the thermal comfort requirements of the Indonesian National Standard (SNI), the study has found that it is possible to use natural ventilation to create a thermally comfortable indoor environment in Eco-houses. This study also develops comprehensive design guidelines for natural ventilation at both the site planning and individual compartment house levels, using the specific materials. Finally by the simple geometry and calculation following the technical design temperature distribution in any point inside Eco-house will be predictable.
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Judul: Analysis Of Thermal Comfort Using Modern Building Material In Baduy Dalam House With Computational Fluid Dynamic
Abstrak: Eco-house is the applying of an ecological design on building. In Indonesia, Baduy Dalam community are examples of people who still have and perform local knowledge in their lifestyle including implementing ecological design in their homes. In this research, has been performed an analysis of thermal comfort in Baduy Dalam homes. The analysis had been performed by using three combinations of roof, wall and floor materials in Baduy Dalam’s house which are ceramic- brickceramic; concrete-brick- ceramic and asbestos cement-brick-ceramic. The analysis performed by a simulation techniques using a computer program Computational Fluid Dynamic (Solidworks 2011) to get a distribution model of air temperature, air movement, and relative humidity(RH) in the building. The input of environmental data such as temperature, RH, solar radiation, and wind speed used a 13 November 2010’s datas. The simulations carried out at 11:00, 13:00, 15:00, 19:00, 21:00, and 23:00. The simulation results of the most unsatisfied thermal comfort conditions using a combination 1 materials are; temperature 55.52°C, RH 20.71%, air flow 0.064 m/s, combination 2 are temperature 59.58°C, RH 17.10%, air flow 0.085 m/s, and combination 3 are; temperature 50.56°C, RH 24.14%, and air flow 0.065 m/s. The simulation results show that the worst conditions are combination 2 (concrete roof, brick walls and cement floor). The highest temperature is 59.58 ° C at 13:00. Modifications is made to the worst house condition by adding vents on the Baduy Dalam house and the results are temperature was -22.07°C lower at Imah and -22.24°C lower at Tepas.
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Judul: Profil Eritrosit Anjing Beagle Setelah Pemberian Obat Anti Caplak Afoxolaner Lima Kali Dosis.
Abstrak: Afoxolaner banyak digunakan untuk mengobati dan mencegah infestasi caplak pada anjing. Senyawa tersebut memiliki efektivitas yang tinggi dan mampu mencegah reinfestasi sebulan sejak diberikan. Hingga saat ini belum diketahui efek afoxolaner terhadap profil eritrosit anjing. Afoxolaner diberikan kepada enam anjing beagle (8-12 bulan) yang secara klinis tidak terinfestasi caplak. Anjing dibagi menjadi dua kelompok perlakuan yang berbeda. Kelompok 1 diberikan sediaan afoxolaner sebanyak satu kali dosis anjuran sementara kelompok 2 diberikan lima kali dosis anjuran. Pemberian sediaan afoxolaner dilakukan sebulan sekali sebanyak tiga kali pengulangan dengan jarak antar pemberian satu bulan. Sampel darah diuji menggunakan hematology analyzer MEK-6450 dan data dianalisis menggunakan perangkat lunak SPSS 16.0. Hasil yang didapat menunjukkan bahwa secara statistik tidak ada perubahan signifikan antara profil eritrosit anjing beagle sebelum dan sesudah pemberian sediaan afoxolaner. Disimpulkan bahwa pemberian sediaan afoxolaner lima kali dosis anjuran secara oral tidak memengaruhi profil eritrosit anjing beagle.
Keyword: afoxolaner, anjing beagle, eritrosit, profil eritrosit