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All Journal Indonesian Journal of Science and Technology Quantum Teknika
Noto Widodo
Universitas Negeri Yogyakarta
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Harvesting Cooling Effect on LPG-Fueled Vehicles for Mini Cooler: A Lab-Scale Investigation Setiyo, Muji; Widodo, Noto; Purnomo, Bagiyo Condro; Munahar, Suroto; Rahmawan, Muhammad Andi; Luthfi, Akbar
Indonesian Journal of Science and Technology Vol 4, No 1 (2019): IJOST: VOLUME 4, ISSUE 1, 2019
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v4i1.12834

Abstract

This article presents an investigation of the actual cooling effect on a lab-scale prototype of LPG-fueled vehicles. The cooling effect is obtained from heat absorption by LPG on the vaporizer. Water with a mass flow rate of 1, 2 and 3 lpm is flowed from the cooling box to the LPG evaporator and flow back to the cooling box. The car used in this study has a capacity of 1500 cc that rotates 1000, 1500, and 2000 rpm. The results showed that there was a relationship between cooling power with the increase in engine speed and mass flow rate of water that crosses the evaporator. The biggest cooling power is 378 Watts at 1000 rpm with a water mass flow rate of 3 lpm.
Karakteristik Refrigeran Musicool Dalam Mesin Refrigerasi Kompresi Uap Menggunakan Evaporator Ganda Purnomo, Bagiyo Condro; Widodo, Noto; Munahar, Suroto; Nugroho, Dimas
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol 1, No 2 (2020): April
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.010208

Abstract

Musicool is an alternative refrigerant developed as a working fluid in a steam compression refrigeration system. Musicool has many advantages compared to conventional refrigerants, the advantage is that it is environmentally friendly. This study aims to determine the characteristics of musicool 134 on a steam compression refrigeration machine using a double evaporator. The test is done by comparing the characteristics of a single evaporator refrigeration machine and a double evaporator using musicool 134. The research variable is the air flow through the evaporator that is equal to 0.022 kg / s, 0.027 kg / s, 0.033 kg / s. The test data is taken by measuring the temperature and pressure of each component in the refrigeration machine, then using the P-h diagram musicool 134, to determine the performance of the refrigeration machine. The results of the study provide information that the use of a double evaporator will give rise to an improved refrigeration system performance compared to using a single evaporator.
Co-Authors Bagiyo Condro Purnomo Dimas Nugroho Luthfi, Akbar Muji Setiyo Nurrohman, Haryadi Prasetyo, Bagas Arif Rahmawan, Muhammad Andi Rizani, Dwi Ahmad Saifudin Saifudin Suroto Munahar Susanto, Beni