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All Journal MESIN Bina Teknika
Bambang Teguh Prasetyo
Balai Termodinamika Motor dan Propulsi (BTMP) Puspiptek Serpong Tangerang Selatan Banten 15314
Electrical & Electronics Engineering Engineering Mechanical Engineering

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Simulasi Numerik dan Validasi Experimental Distribusi Aliiran Udara di Dalam Cooling Tower Prasetyo, Bambang Teguh
MESIN Vol 9, No 3 (2007): Ocean Thermal Energy Conversion (OTEC) untuk "Pulau-pulau Kecil"
Publisher : Program Studi Teknik Mesin, Universitas Trisakti

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Numerical Simulation and Experimental Validation ofAir Flow Distribution in CoolingTower. Numerical simulation and experimental validation of air flow distribution in induced draftCooling Tower (CT) has been done. Numerical simulation was done by using Computational FluidDynamics (CFD) software, while measurement was conducted by using a testfacility exist in BTMPBPPTThis studyis aimedto assist thepreliminary analysis predicting thatone ofcause a higherofmakeup waterconsumption in CTis mal-distribution ofair stream in CT. The results ofnumerical simulationand testing shows that tendency of mal-distribution of air stream is true happened. But to ensure thatwhether this mal-distribution ofairflow mentioned as the root cause ofheight consumemake waterstillrequireto be proved after theCTprovided withhomogeniser ofair stream.
Pengujian Karakteristik Unjuk Kerja Radiator Prasetyo, Bambang Teguh
MESIN Vol 9, No 2 (2007): MEMINIMALKAN KERUGIAN KAMPUS AKIBAT BANJIR
Publisher : Program Studi Teknik Mesin, Universitas Trisakti

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Radiator Performance Characteristic Test. Test ofradiatorperformance characteristic atvarious flow rates has been done. The test is aimed to verify the specification given by vendor and todefine radiator performance, such as temperature effectiveness (e), Number of Transfer Unit (NTU) andpressure drop at around of design condition as a solution ofrating problem. Based onthe test results thisradiator was well designed. Temperature effectiveness variesaround60 to 85% and NTUshowed a goodagreement with the theoretical model. The different are around 0.1% to 5.3%>. Pressure drops are stillaccepted by design criteria. Especially for airside, the pressure drops arearound 29 to 392 Pa which arestill inferiorsthan 900Pa.
Co-Authors Effendy, Eriq Sulton Faizal, Mohammad