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Abstract:
采用连续介质方法和直接模拟Monte Carlo(DSMC)方法数值模拟研究了喉部宽度为34 μm的二维Laval型微喷管内流场的流动状况.设计了三种不同喉部形状的微喷管:尖角型、圆角型和平角型.计算分析了喉部形状、扩张比等方面对流场结构及推进性能的影响.研究发现,圆角型微喷管的综合性能最优,平角型微喷管具有较大的比冲效率;适当增大扩张比能提高微喷管的性能.
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Source :
航空动力学报
ISSN: 1000-8055
Year: 2010
Issue: 10
Volume: 25
Page: 2279-2284
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 5
Chinese Cited Count:
30 Days PV: 0
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