圆盘式旋转爆震发动机的工作特性

IF 1.7 4区 工程技术 Q3 MECHANICS
K. Ishii, K. Ohno, H. Kawana, K. Kawasaki, A. K. Hayashi, N. Tsuboi
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引用次数: 0

摘要

本文研究了恒定腔室面积的圆盘式旋转爆震发动机(DRDE)在不同总质量流量和多种氢-空气混合当量比条件下的工作特性。从直接的可视化中,发现旋转爆震波在燃烧室外壁附近传播,无论波的模式如何。在目前的试验条件下,根据混合物的等效比,可以观察到单波和双波模式。基于一维流动模型,结合毛细管平均压力技术测量的腔室静压,对压力增益进行了评估。尽管目前的DRDE配置在所有测试条件下都提供了负压力增益,但我们发现单波模式的压力增益优于双波模式。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Operation characteristics of a disk-type rotating detonation engine

Operation characteristics of a disk-type rotating detonation engine

In the present work, operation characteristics of a disk-type rotating detonation engine (DRDE) with a constant chamber area were experimentally studied for various total mass flow rates and a wide variety of equivalence ratios of hydrogen–air mixtures. From the direct visualizations, the rotating detonation wave was found to propagate near the outer wall of the combustion chamber, regardless of the wave mode. For the present test conditions, single- and double-wave modes are observed, depending on the equivalence ratio of the mixture. The pressure gain was evaluated based on a one-dimensional flow model together with the chamber static pressure measured with the capillary tube average pressure technique. Although the present DRDE configuration provided a negative pressure gain for all the test conditions, it was found that the single-wave mode was superior to the double-wave mode in terms of the pressure gain.

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来源期刊
Shock Waves
Shock Waves 物理-力学
CiteScore
4.10
自引率
9.10%
发文量
41
审稿时长
17.4 months
期刊介绍: Shock Waves provides a forum for presenting and discussing new results in all fields where shock and detonation phenomena play a role. The journal addresses physicists, engineers and applied mathematicians working on theoretical, experimental or numerical issues, including diagnostics and flow visualization. The research fields considered include, but are not limited to, aero- and gas dynamics, acoustics, physical chemistry, condensed matter and plasmas, with applications encompassing materials sciences, space sciences, geosciences, life sciences and medicine. Of particular interest are contributions which provide insights into fundamental aspects of the techniques that are relevant to more than one specific research community. The journal publishes scholarly research papers, invited review articles and short notes, as well as comments on papers already published in this journal. Occasionally concise meeting reports of interest to the Shock Waves community are published.
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