International Journal on Advanced Science, Engineering and Information Technology, Vol. 8 (2018) No. 6, DOI:10.18517/ijaseit.8.6.5409

Study of Internal Pressure Impact on Sphere Tank Towards Vapour Cloud Explosion: Feyzin

Anis Farhanah Mohd Suhaimi Yeong

Abstract

The risk impact of Liquefied Petroleum Gas (LPG) storage facilities is to be determined, especially in the event of LPG tank(s) explosion. To prevent the LPG tank explosion from occurring, it is important to decide the most suitable operating condition for the LPG tank itself, as the explosion of LPG tank could cause an extensive damage to the surrounding. The explosion of LPG tank usually occurs due to the decrease of pressure in the tank, resulting from the boil-off and/or ignition of the flammable gas. Thus, in this research, a method called Planas-Cuchi is applied to determine the Peak Side-On Overpressure, Po, of the LPG tank during the occurrence of explosion. Thermodynamic properties of saturated propane, C3H8, has been chosen as a reference and basis of calculation to determine the parameters involved, such as Explosion Energy, E, Equivalent Mass of TNT, WTNT, and Scaled Overpressure, PS. A cylindrical LPG tank in Feyzin Refinery, France is selected as a point of study in this research. At the end of this study, the most suitable operating pressure of the LPG tank will be determined.

Keywords:

LPG; Peak Side-On Overpressure; Planas-Cuchi; Explosion; Feyzin.

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