ISSN: 0256-1115 (print version) ISSN: 1975-7220 (electronic version)
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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received June 21, 2023
Accepted November 9, 2023
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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A Systematic Algorithm to Compute Hazardous Area Extent for Two-Phase Releases Based on an Improved Low-Dimensional (Simple) Dispersion Model

Department of Chemical Engineering , Federal University of Campina Grande , Av. Aprígio Veloso, 882. Campina Grande 1Petrobras – Petroleo Brasileiro S.A. , Henrique Valadares
Korean Journal of Chemical Engineering, June 2024, 41(6), 1587-1608(22), 10.1007/s11814-024-00093-6

Abstract

This contribution aims at systematically determining the extent of classifi ed areas in two-phase releases of pure components.

To this end, a novel algorithm is proposed to ensure all proper steps are taken toward accurately computing the required

properties of the resulting cloud. The intended framework is based on a refi ned one-dimensional dispersion model that accommodates

(1) the infl uence of the vapor component on the energy balance of the two-phase jet model; (2) new decay constants

to calculate velocity, concentration, and temperature profi les; (3) a new normalization ratio to compute the temperature along

the centerline; and (4) a new correlation for the entrainment coeffi cient in the two-phase region. It was found that the entrainment

coeffi cient (

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