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Journal : Indonesian Journal of Science and Technology

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.
Risk-Based Leak Analysis of an LPG Storage Tank: A Case Study Suroto Munahar; Bagiyo Condro Purnomo; Nanda Ferdiansyah; Eko Muh Widodo; Moehamad Aman; Retno Rusdjijati; Muji Setiyo
Indonesian Journal of Science and Technology Vol 7, No 1 (2022): IJOST: VOLUME 7, ISSUE 1, April 2022
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v7i1.42916

Abstract

Liquified petroleum gas (LPG) storage tanks are essential components for storing and distributing fuels. However, system failures due to inspection flaws increase the risk of leaks, fires, and explosions. Therefore, this study discussed the development of a safety system application applied to LPG storage tanks based on a risk-based leak (RBL) analysis. Data associated with risk factor values were obtained from an LPG storage tank in a gas distributor company. The risk of failure was calculated by analyzing the probability of failure (PoF) and the consequence of failure (CoF). The results showed that the level of risk observed was medium-high with a PoF in category 1 at a total damage factor value of 1. Furthermore, the CoF in category E was positioned with a consequence analysis value of 2381.29 m2 with an LPG storage tank life span of 33.5 years and an external inspection interval of five years.
Co-Authors Agung Setyo Pambudi Ahmad Irfan An'nisa Sholihah Andi Widiyanto Andi Widiyanto Andi Widiyanto Andi Widiyanto Anindito, Dhimas Cahyo Anisa Hakim Purwantini Bagas Arif Prasetyo Baginda Pangidoan Tanjung Bambang Hadi Priyanto Budi Waluyo Budi Waluyo Darmawan Rois Dhimas Cahyo Anindito Dhimas Cahyo Anindito Dimas Nugroho Dimas Riki Romadhon Dwi Ahmad Rizani Dwi Restianto Eko Muh Widodo Fungky Dyan Pertiwi Fungky Dyan Pertiwi Hamid Saifudin Hasan Köten Heru Adi Nugroho Hindratmo, Dimas Bayu Ilham Habibi Ilham Habibi, Ilham Indra Bayu Pangestu Indra Chandra Setiawan Khoirul Fa’i Kolakoti, Aditya Laksono Trisnantoro Lalank Samudra Mukti Hidayat Lilik Budiyarto Lintang Muliawanti Luthfi, Akbar Moch. Imron Rosyidi Moehamad Aman Muchammad Muhammad Iqbal Al-Fikri Muhammad Latifur Rochman Muhammad Mauludin Kharim Muji Setiyo Muji Setiyo Muji Setyo Nanda Ferdiansyah Nofa Ardana Noto Widodo Noto Widodo Noto Widodo Nugroho, Heru Adi Nur Hidayatulloh Nur Muhammad Rosyada Nurma Styarini Prasasti Bayu Aji Pramono Prasetyo, Bagas Arif Priyanto, Bambang Hadi Rahmawan, Muhammad Andi Refaldy Pristiwantoro Resti Yunian Rifky Ismail Riyan Adhy Pratama Riyan Tri Aditya Pamungkas Rizani, Dwi Ahmad Rochiyati Murniningsih, Rochiyati Rochman, Muhamad Latifur Rusdjijati, Retno Saifudin Saifudin Saifudin Saifudin Satrio Wicaksono, Akbar Setiawan, Indra Chandra Setyo Widiantoro Setyo, Muji Sirajuddin Sirajuddin SK Rizky Wibowo Sri Hartini Suroto Munahar Suroto Munahar Suroto Munahar Wahyu Danu Romadlon Widha Bagus Fahriansyah Yun Arifatul Fatimah