Risk Assessment and Consequence Analysis of Fire and Explosion in a Vinyl Chloride Monomer Tank by PHAST

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Bahmani Rahman; Pouyakyan Mostafa; KHODAKARIM SOHEILA; Bidel Hamideh; salehi sahlabadi Ali; JAFARI MOHAMMAD JAVAD

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Journal: Journal of Safety Promotion and Injury Prevention Year:2021 | Volume:8 | Issue:4 Page(s): 208-218

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Title

Risk Assessment and Consequence Analysis of Fire and Explosion in a Vinyl Chloride Monomer Tank by PHAST

Author(s)

Keywords

Consequence

Tank

Fire

Explosion

Risk

Released Materials

Abstract

Background and Objectives: Fire and Explosion are the most important and common Consequences of released chemicals. In present study the Consequences of jet Fire and Explosion in a Vinyl Chloride Monomer (VCM) Tank was investigated. Materials and Methods: In this applied study, Fire and Explosion from 16 material releasing scenarios were investigated using PHAST. 7. 11 software. The Tank’ s temperature, pressure, volumes and shape were 70 O C, 9bar, 3600m 3 and spherical respectively. The meteorological data were categorized based on Pasquil method. The mortality rate and danger radius for each scenario were calculated and analyzed. Results: The smallest (11m) and the largest (79m) radius effected by the Explosion pressure wave belongs to 50mm slot release and the complete rupture respectively. The highest pressure wave (1bar) is produced from a complete rupture extending from 0-80m from the gas cloud center that cause the 10. 27 and 2. 57% mortality rate of day and night working shifts respectively. The largest and the smallest areas covered by the jet Fire are 1861 and 185m2 respectively and the largest and the smallest radius covered by radiation heat from this Fire are 59. 4 and 20. 4m respectively. Conclusion: Any possible leakage from the Tanks will have catastrophic Consequences, indicating a very high and unacceptable level of Risk. As a result, considering the levels of damage caused by the Explosion wave, the necessary measures for the prevention of these Consequences are imperative.

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APA: Copy

Bahmani, Rahman, Pouyakyan, Mostafa, KHODAKARIM, SOHEILA, Bidel, Hamideh, salehi sahlabadi, Ali, & JAFARI, MOHAMMAD JAVAD. (2021). Risk Assessment and Consequence Analysis of Fire and Explosion in a Vinyl Chloride Monomer Tank by PHAST. JOURNAL OF SAFETY PROMOTION AND INJURY PREVENTION, 8(4 ), 208-218. SID. https://sid.ir/paper/965788/en

Vancouver: Copy

Bahmani Rahman, Pouyakyan Mostafa, KHODAKARIM SOHEILA, Bidel Hamideh, salehi sahlabadi Ali, JAFARI MOHAMMAD JAVAD. Risk Assessment and Consequence Analysis of Fire and Explosion in a Vinyl Chloride Monomer Tank by PHAST. JOURNAL OF SAFETY PROMOTION AND INJURY PREVENTION[Internet]. 2021;8(4 ):208-218. Available from: https://sid.ir/paper/965788/en

IEEE: Copy

Rahman Bahmani, Mostafa Pouyakyan, SOHEILA KHODAKARIM, Hamideh Bidel, Ali salehi sahlabadi, and MOHAMMAD JAVAD JAFARI, “Risk Assessment and Consequence Analysis of Fire and Explosion in a Vinyl Chloride Monomer Tank by PHAST,” JOURNAL OF SAFETY PROMOTION AND INJURY PREVENTION, vol. 8, no. 4 , pp. 208–218, 2021, [Online]. Available: https://sid.ir/paper/965788/en

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