Parametric transition from deflagration to detonation revisited: Spherical geometry

被引：5

作者：

Gordon, Peter, V ^{[1
]}

Kagan, Leonid ^{[2
]}

Sivashinsky, Gregory ^{[2
]}

机构：

[1] Kent State Univ, Dept Math Sci, Kent, OH 44242 USA

[2] Tel Aviv Univ, Sackler Fac Exact Sci, Sch Math Sci, IL-69978 Tel Aviv, Israel

来源：

COMBUSTION AND FLAME | 2020年 / 219卷

基金：

以色列科学基金会;

关键词：

Deflagration-to-detonation transition; Spherical flames; Self-similar solutions; NUCLEAR FLAMES; PROPAGATION;

D O I：

10.1016/j.combustflame.2020.05.015

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The paper is concerned with identification of the key mechanisms controlling deflagration-to-detonation transition in unconfined gaseous systems. The issue of thermal runaway triggered by positive feedback between the advancing flame and the flame-driven precompression wave is discussed in the context of expanding spherical flames. Depending on parameters of the system the transition may occur either within a subsonic or supersonic range of flame propagation. The paper is an extension of the previous study concerned with planar flames. (C) 2020 The Combustion Institute. Published by Elsevier Inc. All rights reserved.

引用

页码：405 / 415

页数：11

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