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All Journal Jurnal Teknik Mesin JTRM (Jurnal Teknologi dan Rekayasa Manufaktur)
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Politeknik Negeri Padang
Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Pengaruh Retrofit Refrigeran CFC-12 Dengan HCR-12 Terhadap Kinerja Refrigerator Domestik dan Perawatannya Isnanda Isnanda; Yazmendra Rosa; Elvis Adril; Feidihal Feidihal
Jurnal Teknik Mesin Vol 12 No 2 (2019): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

In the recent years,almost every house, has domestic refrigerator wich still use CFC-12 refrigerant as the fluid.When the leakage happen, the refrigerant causes the demage of ozon such as forming the ozon side then radiation of ultra violet from the sun ray in high intensity reach the surface on each directly and it is dangerous for the human life. The Hidrocarbon refrigerant (HCR-12) is considered as one of alternative, wich is environmentally friendly,more energy to save and without modification, to replace the CFC-12.This research compare the performance of household refrigerator using the CFC-12 refrigerant and HCR-12 without the modification of refrigerator.The result shown from the COP, that the refrigerators work for both of refrigerant is relatively the same and the quality of the ice product from HCR-12 is better than CFC-12, because the amount of the energy wich is absorbed by HCR-12 during the evapouration process is bigger than CFC-12. Analyzing the amount of refrigerant weight fullfilled to refrigerator, HCR-12 only uses 40 % from CFC-12,If the price of both refrigerant is the same,the use of HCR-12 is profitible than the use of CFC-12
Identifikasi Kerusakan dan Perbaikan Refrigerator Freezer AR763 Laura Nisa Tilqadri; Ikhwan Nofitra; Isnanda; Feidihal; Yuli Yetri
Jurnal Teknologi dan Rekayasa Manufaktur Vol 3 No 1 (2021): Vol 3 No 1 (2021): Volume: 3 | Nomor: 1 | April 2021
Publisher : Pusat Pengembangan, Penelitian dan Pengabdian kepada Masyarat (P4M) Politeknik Manufaktur Bandung (Polman Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48182/jtrm.v3i1.69

Abstract

With the rapid development of technology today the refrigerator freezer (refrigerator) as a tool to help us in storing food for long lasting. Refrigeration is a process of absorption of heat from a substance or product so that the temperature is below the ambient temperature whereas, refrigerant is a substance used as a working fluid in the heat absorption process. It is this substance that circulates in the refrigeration machine, which absorbs heat from the object or air that is cooled, then dumps it into the surrounding air outside the object or room that is cooled. In the use of refrigenerator often experience damage, so it is necessary to analyze the damage. The analysis showed that there was damage to the AR 763 refrigerator freezer, namely the cooling system was blocked due to the refrigerator not operating (damaged) and causing the refrigerant in the system to freeze which caused the system to not work. Furthermore, the filter must be replaced because the filter holds a lot of dirt and there are damaged electrical components such as thermo fuse and timers due to the lifetime of the componen
Co-Authors Elvis Adril Feidihal Feidihal Ikhwan Nofitra Laura Nisa Tilqadri Yazmendra Rosa Yuli Yetri