多元组分爆轰不稳定性定量实验研究

Translated title of the contribution: Quantitative experimental study on detonation instability of multi-component

Huanjuan Zhao*, Yingxin Bao, Kang Yu, Jing Liu, Xinming Qian

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The detonation instability of two multi-component components with different C/H ratios is analyzed. Detonation experiments were carried out in a D=80 mm tube to analyze the characteristics of detonation velocity and cell structure changes of the multi-component components. The influence of hydrogen partial pressure on the instability of multi-component detonation was analyzed from the angle of three-wave point trajectory spacing, pitch and chemical reaction process. It is found that the detonation velocity of multi-component #1 is similar to that of hydrogen premixed gas, although it fluctuates, it is generally stable, and is always stable above 0.95VCJ. The detonation velocity of multi-component #2 is similar to that of methane premixed gas, and the fluctuation range is larger. From the perspective of cell structure characteristics, it is found that the variation trend of the number of detonation helical heads is similar to that of the velocity. The stability of component #1 is greater than that of component #2. The results are helpful to grasp the detonation propagation mechanism of multi-component.

Translated title of the contributionQuantitative experimental study on detonation instability of multi-component
Original languageChinese (Traditional)
Pages (from-to)339-348
Number of pages10
JournalHuagong Xuebao/CIESC Journal
Volume75
DOIs
Publication statusPublished - 25 Dec 2024

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