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Gas Dispersion Modeling

Ching, Shih Gin (2012) Gas Dispersion Modeling. UNIVERSITI TEKNOLOGI PETRONAS, UNIVERSITI TEKNOLOGI PETRONAS. (Unpublished)

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Abstract

Involvement of flammable or toxic materials in a process plant causes the risk of accidents. Hazard analysis and risk-based management are important to prevent escalation of dangerous event. Due to ill-defined leakage conditions, there are a few areas of uncertainty which lead to difficulty in positioning gas detectors. In industry, positioning of gas detectors has always been based on personal expertise rather than computer modeling. This method lacks of consistency and it tends to focus on locations of potential leakage but not locations of total gas accumulation. Development of gas dispersion modeling tool aids in better understanding of possible path of gas distribution and accumulation. Based on the dispersion results, possible locations of gas detector can be indicated. Gaussian plume model is being employed in this project to study dispersion of natural gas. Natural gas is a type of light gas and neutrally buoyant. Effects of meteorological parameters and gas emission rate are factors affecting dispersion pattern. After filtering the concentrations fall out of flammable range, locations where concentrations within flammable range occur are identified using top view plot and front view plot. Consequently, locations of gas detector can be determined.

Item Type: Final Year Project
Academic Subject : Academic Department - Electrical And Electronics - Pervasisve Systems - Microelectronics - Device Modelling
Subject: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Engineering > Electrical and Electronic
Depositing User: Sharifah Fahimah Saiyed Yoep
Date Deposited: 01 Apr 2013 11:34
Last Modified: 25 Jan 2017 09:39
URI: http://utpedia.utp.edu.my/id/eprint/6399

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