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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Mechanical
Hendrik Syahputra
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Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Performansi Mesin Pendingin Tipe Chiller untuk Cold Storage dan Indoor Menggunakan Ethylene Glycol Coolant Azridjal Aziz; Hendrik Syahputra; Rahman Putra Mainil; Afdhal Kurniawan
JURNAL MECHANICAL Vol 6, No 2 (2015)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/mech.v6.i2.201510

Abstract

AbstractRefrigeration device is used to reduce the temperature of the room or cooled material by absorbing heatfrom the room/material. The most refrigeration device operated by using the vapor compression refrigerationcycle. This research was done experimentally using refrigeration device chiller type to cool the ethylene glycolcoolant in the refrigeration box (evaporator unit), and ethylene glycol coolant is used to absorb heat in coldstorage and indoor (test room). The results show for the circulation of ethylene glycol coolant to the coldstorage COP value is 2.80, while the circulation of ethylene glycol coolant to the indoor COP value is 5.12. Onthe testing of ethylene glycol coolant was circulated to the indoor with 1000 Watt cooling load, the COP value is5.19, and for circulated to the cold storage and indoor simultaneously COP is of 3.66. The performance ofchiller refrigeration device is influenced by the cooling load, the greater of cooling load that would affect thework of the compressor so that the pressure in compressor increase and the energy consumption to operate thecompressor also increasing too.Keywords: refrigeration, heat, COP, PF, cooling load.
Laju Pendinginan Coolant Ethylene Glycol Pada Mesin Pendingin Type Chiller Untuk Cold Storage Hendrik Syahputra; Azridjal Aziz; Rahmat Iman Mainil
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 1 (2016): Wisuda Februari Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Refrigeration a necessity in life today's, especially for urban communities. Refrigeration can be in domesticrefrigerators, cold storage, refrigeration of vegetables, fruits, meat, drinks and so on. Vapor compression refrigerationsystem also used in HVAC applications. The aim of this refrigerating cools machine the coolant ethylene glycol so thatthe temperature is below 0°C for cold storage. Coolant ethylene glycol functions as a heat absorber that in cold storage,cold storage cooling at a rate influenced by temperature changes in and out in the cold storage, the greater the heatabsorbed by the coolant ethylene glycol, the greater the cooling rate.Keywords: Cooling machine, cold storage, coolant ethylene glycol, refrigerant
Co-Authors Afdhal Kurniawan Azridjal Aziz Rahman Putra Mainil Rahmat Iman Mainil