Fire, Explosion and Dispersion Modeling Of Automatic LPG System of High Rise Building Apartment

R. Tamil Selvan; Dr. N.A Siddqui

CALL FOR PAPERS : Mar-2023

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25-Mar-23

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Fire, Explosion and Dispersion Modeling Of Automatic LPG System of High Rise Building Apartment

Author(s):

R. Tamil Selvan , University of Petroleum and Energy Studies; Dr. N.A Siddqui, UPES

Keywords:

BLEVE, Consequence Flash Fire, Model, Jet Fire Risk, Unconfined Vapor cloud explosion etc

Abstract:

LPG is a common fuel used in industries and as well as for domestic purpose. LPG stored in bullets and small cylinder in commercial and domestic purpose. But in recent developments LPG is stored in bulk quantities in high rise apartments and supplied directly to individual homes. It calls for LPG bullets or stored in apartment buildings and loading and unloading of huge quantities in this buildings. In this paper an attempt is made to do a risk assessment study is carried out of a LPG storage, handling and use in a high rise building apartment. The different hazardous scenarios are considered and various initiating event and failure of piping and storage vessel are identified for this study. The consequence models such as Jet Fire, Flash Fire, BLEVE, UVCE and frequency of failure of various LPG system components are established to assess the risk for different scenario. The analysis is done by a leading software tool PHAST. The risk is calculated for the LPG automatic distribution system based on safety zone and the safety distances are assessed based on thermal radiation and over pressure. Based on the results of this analysis, the existing control measures are evaluated and recommendations are suggested to improve the safety and fire protection system of the apartment building.