Modeling of attenuation and suppression of cellular detonation in the hydrogen-air mixture by circular obstacles

被引：7
|
作者：
Bedarev, I. A. [1 ]
Temerbekov, V. M. [1 ]
机构：
[1] Russian Acad Sci, Khristianovich Inst Theoret & Appl Mech, Siberian Branch, Ul Inst Skaya 4-1, Novosibirsk 630090, Russia
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2022年 / 47卷 / 90期
关键词：
Detonation; Suppressing; Numerical methods; Hydrogen -air mixture; OXYGEN MIXTURE; INITIATION; WAVES; PARAMETERS; IGNITION; METHANE;
D O I：
10.1016/j.ijhydene.2022.08.307
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The results of numerical study of the interaction of the gaseous detonation with the regular obstacle consisting of checkered elements with circular cross section are presented. The aim of this work is to identify and generalize the parameters affected the attenuation of a cellular detonation propagating in a premixed stoichiometric hydrogen-air mixture. Studies of such problems are aimed at studying issues related to explosion and fire safety in the operation of highly efficient gaseous fuels, which are currently very widespread. As a result, the dependencies of the leading shock wave propagation velocity on the obstacle geometry are obtained. The contribution of each of the considered parameters to the detonation wave velocity deficit is estimated. Maps of detonation suppression and reinitiation modes for varying barrier parameters are obtained. (c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：38455 / 38467
页数：13
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