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All Journal Prosiding Semnastek Jurnal Konversi Energi dan Manufaktur
sulis yulianto
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Aerospace Engineering Automotive Engineering Computer Science & IT Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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PERENCANAAN PEMBUATAN ALAT PENUKAR KALOR JENIS SHELL AND TUBE SKALA LABORATORIUM Sulis Yulianto; Munzir Qadri; Fadwah Maghfurah
Prosiding Semnastek PROSIDING SEMNASTEK 2014
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Alat  penukar  kalor  (Heat  Exchanger)  adalah suatu  alat pemindah  panas  dari fluida yangtemperaturnya  lebih  tinggi  ke fluida lain  yang  temperaturnya  lebih  rendah,  dimana  alat  penukarkalor ini adalah salah satu alat yang sering dijumpai dalam dunia industri seperti thermal powerplant, mesin proses kimia, peralatan pendingin ruangan, refrigerator, radiatordll. Rancang bangunalat penukar kolor jenis shell and tube ini direncanakan mengunakan dua buah fluida yaitu fluidadingin  (water)  pada  tempratur  (Tco=37oC) dengan  laju  aliran  masa  fluida  (mc= 0,122 kg/s) danfluida  panas    (oil)  pada  tempratur  (Thi=  47oC)dengan  laju  aliran  masa  fluida  (mh=  0,075 kg/s)dimana  operasional  dari  APK  akan  dioperasikan  pada  beban  termal  konstan  yaitu  sebesar 5100Watt, maka  dalam  perencanaanya  didapatkan  jumlah  tube  dari  APK  adalah  sebanyak  37  buahdengan efektifitas dari APK hasil rancangan adalah sebesar 62 %.
RANCANGAN PROTOTIPE MESIN PENGERING GABAH BERBASIS TEKNOLOGI HYBRID: Prototype Design of Grain Dryer Machine Based on Hybrid Technology Prasetyo, Andre Ryan; Sulis Yulianto; Edi Widodo
Jurnal Konversi Energi dan Manufaktur Vol. 9 No. 1 (2024)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.9.1.4

Abstract

Until now, the process of processing paddy into rice still relies heavily on the traditional and commonly used methods. During the drying stage, the harvested rice grains are spread out and sun dried. To address this issue, an effective solution is needed to enhance the quality of of rice seeds. Therefore, a post harvest rice handling technology is being developed with a hybrid technology based grain drying tool, where solar energy is still harnessed through photovoltaic solar panels (PLTS). The purpose of this research is to design, develop, and test a prototype grain drying machine abased on hybrid PLTS technology. The research focuses on calculating the power drying, and evaluating the PLTS system. The methods used include testing grain drying with variations in temperatures of 45ºC, 50ºC, dan 51ºC , as well as a grain weight of 8 kg. the greatest energy consumption during drying is directed towards the PLTS battery system, and calculations are performed to determine the duration of battery usage. The research findings reveal drying efficiencies of 9.7%, 12.8%, and 13.12% and final mouisture contents of 16.3%, 14.6% and 14.1 % at temperatures of 45ºC, 50ºC, and 51ºC respectively. The optimal drying times are 2 hours at 45ºC and 50ºC, and 1.5 hours at 51ºC. the battery usage time with a power of 209 W is 2.3 hours.
Co-Authors Edi Widodo Fadwah Maghfurah Munzir Qadri Prasetyo, Andre Ryan