Modelling pollutants dispersion and plume rise from large hydrocarbon tank fires in neutrally stratified atmosphere

被引：33

作者：

Argyropoulos, C. D. ^{[1
]}

Sideris, G. M. ^{[1
]}

Christolis, M. N. ^{[1
]}

Nivolianitou, Z. ^{[2
]}

Markatos, N. C. ^{[1
]}

机构：

[1] Natl Tech Univ Athens, Sch Chem Engn, Computat Fluid Dynam Unit, Athens 15780, Greece

[2] Natl Ctr Sci Res Demokritos, Inst Nucl Technol Radiat Protect, Aghia Paraskevi 15310, Greece

来源：

ATMOSPHERIC ENVIRONMENT | 2010年 / 44卷 / 06期

关键词：

Tank fire; Pollutant dispersion; Safety limits; Smoke plume; Turbulence; CFD; BUOYANCY-DRIVEN PLUMES; COMPUTATIONAL MODEL; SMOKE PLUMES; POOL FIRES; SCALE; BUNCEFIELD; ENCLOSURES; EMISSIONS; TERRAIN; HEAT;

D O I：

10.1016/j.atmosenv.2009.11.034

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Petrochemical industries normally use storage tanks containing large amounts of flammable and hazardous substances. Therefore, the occurrence of a tank fire, such as the large industrial accident on 11th December 2005 at Buncefield Oil Storage Depots, is possible and usually leads to fire and explosions. Experience has shown that the continuous production of black smoke from these fires due to the toxic gases from the combustion process, presents a potential environmental and health problem that is difficult to assess. The goals of the present effort are to estimate the height of the smoke plume, the ground-level concentrations of the toxic pollutants (smoke, SO2, CO, PAHs, VOCs) and to characterize risk zones by comparing the ground-level concentrations with existing safety limits. For the application of the numerical procedure developed, an external floating-roof tank has been selected with dimensions of 85 m diameter and 20 m height. Results are presented and discussed. It is concluded that for all scenarios considered, the ground-level concentrations of smoke, SO2, CO, PAHs and VOCs do not exceed the safety limit of IDLH and there are no "death zones" due to the pollutant concentrations. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：803 / 813

页数：11

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