Effect of air/fuel ratio on combustion of secondary chamber of boron-base solid ducted motor

被引：0

作者：

Hu, Jian-Xin ^{[1
]}

Xia, Zhi-Xun ^{[1
]}

Guo, Jian ^{[1
]}

Zhang, Wei ^{[1
]}

Shen, Hui-Jun ^{[1
]}

Wang, De-Quan ^{[1
]}

Huang, Li-Ya ^{[1
]}

机构：

[1] College of Aerospace and Material Engineering, National Univ. of Defense Technology, Changsha 410073, China

来源：

Guti Huojian Jishu/Journal of Solid Rocket Technology | 2008年 / 31卷 / 02期

关键词：

Boron - Gas generators - Ignition - Rocket engines - Solid propellants;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Direct-connected test of subscale motors was investigated, and wake flame was treated by spray collecting residue in the gas generator and ducted rocket motor test. The effects of air/fuel ratio on combustion of secondary chamber of boron-base solid ducted motor were investigated, and test results were compared with numerical simulation results. The comparison results show that the researched boron-based fuel-rich HTPB propellant possesses better low-pressure ignition characteristics and higher jet efficiency; the diameter of condensed combustion products in ducted rocket plume is less than 5 μm; when the air/fuel ratio is very high, the solid ducted motor can still work, but the combustion efficiency is very low.

引用

页码：125 / 128

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