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All Journal International Journal of Renewable Energy Development Jurnal Sains Teknologi Transportasi Maritim Indonesian Journal of Computing, Engineering, and Design Automotive Experiences Makara Journal of Technology International Journal of Renewable Energy Development
Auzani, Ahmad Syihan
Department Of Mechanical Engineering, Universitas Indonesia, 16424 Depok, West Java
Aerospace Engineering Arts Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Indonesian Journal of Computing, Engineering, and Design

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Evaluation of Kinetic Mechanism for Modelling Dimethyl Ether Jet Diffusion Flame Ahmad Syihan Auzani; Sheila Tobing; Ridhwan Sunandar; Riesta Anggarani; Cahyo Setyo Wibowo; Dedi Sutarma
Indonesian Journal of Computing, Engineering, and Design (IJoCED) Vol. 4 No. 2 (2022): IJoCED
Publisher : Faculty of Engineering and Technology, Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/ijoced.v4i2.298

Abstract

Many countries use liquefied petroleum gas (LPG) for various purposes, such as cooking and heating. As the population and the need for energy grow, demand for LPG steadily increases. This situation causes the rise in LPG imports for countries with an insufficient local supply, including Indonesia. To overcome this problem, the Indonesian Government plans to substitute LPG fuel with dimethyl ether (DME). However, stoves and household burners widely used in Indonesia are designed for LPG. Thus it is necessary to study the fuel flexibility of the burners. Many experimental studies on the substitution of LPG with DME are reported in the literature, but few models have been developed to simulate it. This paper aims to evaluate the performance of reaction mechanisms developed to model DME diffusion flames with various burner temperatures ranging from 300 to 1500 K. It was found that existing models could simulate the chemical structure of the flame but could not predict the formation of enthalpy of combustion reactions.
Fire Safety Assessment of a Typical Sports Hall Building Based on Fire Dynamics and Crowd Movement Models Thareq, Achmad Efrizal; Purnomo, Dwi Marhaendro Jati; Auzani, Ahmad Syihan; Nugroho, Yulianto Sulistyo; Santoso, Muhammad Agung
Indonesian Journal of Computing, Engineering, and Design (IJoCED) Vol. 6 No. 2 (2024): IJoCED
Publisher : Faculty of Engineering and Technology, Sampoerna University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35806/ijoced.v6i2.458

Abstract

Fire risk analysis is one of the essential components of building design to ensure the safety of occupants and properties in case of fires. Currently, the Ministry of Public Works and Housing Regulation No. 20/PRT/M/2009 provides guidelines for conducting a fire risk analysis, however, without a clear consideration of fire dynamics in the estimation of the fire risk level. In this work, we investigate the fire safety aspects of a typical sports hall buildings by a fire dynamics deterministic model (Fire Dynamics Simulator (FDS) of the National Institute of Science and Technology, USA) and crowd movement model for occupant evacuation (Pathfinder of Thunderhead Engineering). Systematic investigations were made on the effects of the fire growth category and smoke extraction system on the Available Safe Egress Time (ASET). The results of ASET were then compared to the Required Safe Egress Time (RSET) which is obtained from the evacuation model. Our results suggest that ASET decreases exponentially with fire growth rate, especially from slow to medium growth rate. The fire growth rate significantly affects the acceptable fire risk of ASET longer than RSET. Occupant capacity, fire management systems, and smoke extraction systems play important roles in reducing fire risk. However, as the fire growth rate increases, the effects of smoke extraction in maintaining safe conditions diminish. This study provides recommendations to reduce risks to the occupants in case of fire, contributing to the considerations of the design and management of a typical sports hall building.
Co-Authors Ade Kurniawan Agama, Askar Adika Altaf, Ahmad Nur Anggarani, Riesta Ariana Soemanto Bambang Sugiarto Bambang Sugiarto Cahyo Setyo Wibowo Cahyo Setyo Wibowo Dedi Sutarma Mokhtar, Mokhtar Muzhoffar, Dimas Angga Fakhri Nur Allif Fathurrahman Purnomo, Dwi Marhaendro Jati Putra, Aleg Restu Pridana Ridhwan Sunandar Riesta Anggarani Riesta Anggarani Santoso, Muhammad Agung Sheila Tobing Thareq, Achmad Efrizal Wahyono, Condro Baskoro Jati Wibowo, Cahyo Setyo Yogi Pramudito Yulianto Sulistyo Nugroho