Propagation of detonation in fuel-air mixtures in flat channels

被引：4
|
作者：
Khomik, S. V. [1 ,2 ]
Medvedev, S. P. [1 ,2 ]
Borisov, A. A. [2 ,3 ]
Mikhalkin, V. N. [2 ]
Maksimova, O. G. [2 ]
Petukhov, V. A. [1 ]
Dolgoborodov, A. Yu. [1 ]
机构：
[1] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia
[2] Russian Acad Sci, Semenov Inst Chem Phys, Moscow 119991, Russia
[3] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B | 2016年 / 10卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
detonation; critical propagation conditions; hydrogen; hydrocarbons; SUPPRESSION;
D O I：
10.1134/S1990793116020202
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The wide scatter of the values of the measured detonation cell size in fuel + air mixtures restricts the applicability of this parameter in the estimation of the geometric limits of detonation propagation, including in rectangular channels whose height is much larger than their width. The critical channel height for the propagation of detonation has been experimentally determined for hydrogen + air, propane + air, and ethylene + air mixtures. In order to reveal the specific features of the propagation and decay of detonation in a narrow channel, numerical simulation has been carried out for a hydrogen + air mixture with account taken of the cellular structure of the detonation wave.
引用
收藏
页码：298 / 305
页数：8
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