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Improved classification of explosion and fire safety

Improved classification of explosion and fire safety The maximum explosion parameters of flammable and combustible liquids are determined, as well as the conditions to which they correspond. The parameters required to assess the saturated vapor pressure of multicomponent mixtures of such liquids are calculated. Programs are developed for calculating the mass of exploding material and the pressure rise in buildings on explosion, on the assumption of stepwise evaporation. Analysis reveals the deficiencies of the method currently used to calculate the mass of the exploding vapor from flammable and combustible liquids and the pressure rise in buildings on explosion. The maximum explosion parameters are calculated for mixtures of flammable liquids with air, and the concentrations corresponding to such parameters are determined. The results for the saturated vapor pressure of flammable liquids according to the Antoine and Clapeyron-Clausius methods are shown to be the same. A method is developed for calculating the parameters of the Antoine method by means of the heats of vaporization of flammable liquids on the basis of solution of both the Antoine and Clapeyron-Clausius equations. By the proposed method, the heats of vaporization of butylbenzene and pyridine are calculated; these values are not found in existing handbooks. Corrections are introduced in the program for calculating the quantity of material involved in the explosion of flammable liquids and the corresponding pressure rise in buildings, on the assumption of stepwise evaporation. The refined model may change the assignments of explosion- and fire-safety classifications for buildings and technological equipment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coke and Chemistry Springer Journals

Improved classification of explosion and fire safety

Akinin, N.; Matveev, A.
Coke and Chemistry , Volume 57 (11) – Feb 27, 2015
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References (10)

Publisher
Springer Journals
Copyright
Copyright © 2014 by Allerton Press, Inc.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering
ISSN
1068-364X
eISSN
1934-8398
DOI
10.3103/S1068364X14110027
Publisher site
See Article on Publisher Site

Abstract

The maximum explosion parameters of flammable and combustible liquids are determined, as well as the conditions to which they correspond. The parameters required to assess the saturated vapor pressure of multicomponent mixtures of such liquids are calculated. Programs are developed for calculating the mass of exploding material and the pressure rise in buildings on explosion, on the assumption of stepwise evaporation. Analysis reveals the deficiencies of the method currently used to calculate the mass of the exploding vapor from flammable and combustible liquids and the pressure rise in buildings on explosion. The maximum explosion parameters are calculated for mixtures of flammable liquids with air, and the concentrations corresponding to such parameters are determined. The results for the saturated vapor pressure of flammable liquids according to the Antoine and Clapeyron-Clausius methods are shown to be the same. A method is developed for calculating the parameters of the Antoine method by means of the heats of vaporization of flammable liquids on the basis of solution of both the Antoine and Clapeyron-Clausius equations. By the proposed method, the heats of vaporization of butylbenzene and pyridine are calculated; these values are not found in existing handbooks. Corrections are introduced in the program for calculating the quantity of material involved in the explosion of flammable liquids and the corresponding pressure rise in buildings, on the assumption of stepwise evaporation. The refined model may change the assignments of explosion- and fire-safety classifications for buildings and technological equipment.

Journal

Coke and Chemistry – Springer Journals

Published: Feb 27, 2015

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