| 摘要: |
| 固体火箭发动机排出的高温、高速燃气对热防护材料有很大的侵蚀作用,特别是燃气中的氧化铝粒子对材料的侵蚀起主要作用。为此,本文对粒子侵蚀问题做了理论分析和实验研究;提供了一个用以计算粒子侵蚀速度的方法和公式。最后的算例表明,此方法可行,并具有足够的精度。 |
| 关键词: 颗粒 侵蚀 喷管气流 氧化铝 固体火箭发动机 |
| DOI： |
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| AN INVESTIGATION ON PARTICLE EROSION PROPERTY |
|
Wang Songbai
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Harbin Shipbuilding Engineering Institute
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| Abstract: |
| Jet exhaust of solid rocket motor has serious effect on heat protection material. Especially, metal oxide particle play an important role in the erosion of material Surface.A method and formula for investigation of particle erosion was presented in the paper, and computational results are in accordance with experimental data. |
| Key words: Particle erosion Nozzle flow Aluminium oxide Solid ro-cket engine |
