Modeling and study of the explosion of gas storage tanks in compressed natural gas fuel stations (CNG)

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Majnouni Omid; Sheikhzadeh Ghanbar ali

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Journal Paper

Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2024 | Volume:14 | Issue:2 Page(s): 45-63

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Title

Modeling and study of the explosion of gas storage tanks in compressed natural gas fuel stations (CNG)

Author(s)

Majnouni Omid | Sheikhzadeh Ghanbar ali | Issue Writer Certificate

Keywords

natural gas

explosion of tanks

simulating the outcome

risk assessment

death

Abstract

Due to the high pressure of natural gas compression for use in cars, there is always a possibility of danger such as explosion and fire. In this article, the possible scenario of the explosion in the storage tanks of the station has been investigated. First, the explosion in a single 80-liter tank and then the explosion in a group of tanks that form a domino incident are modeled. The results show that at a distance of 2 meters from the explosion site of a single tank, the pressure continues up to 4 bar and the probability of fatality of people in this distance is 99%. At a distance of 16 meters from the explosion site of a group of tanks, the pressure will reach 20 bar and the fatality of people in this range will be 99%. In both modeling modes, the amount of radiation heat flux reaches 37.5 kW⁄m2. Radiation in the explosion of the 80-liter tank covers a radius of 17.66 meters, and in the explosion of a group of tanks, the radius covers a radius of 55 meters, which will lead to the damage of the surrounding buildings and the fatality of people. By comparing the results, safely privacy and the amount of damage have also been predicted. The results of the research can be used to improve safety in the correct use of compressed natural gas and the correct positioning of station equipment.

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