高超声速激波隧道应力波推力平衡的研究

ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities Pub Date : 1900-01-01 DOI:10.1109/ICIASF.1997.644754

S. Tuttle, J. Simmons, D. Mee

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引用次数: 1

摘要

介绍了用于测量超燃冲压发动机喷管内净推力的推力天平的研制。这种天平是在昆士兰大学的T4冲击波隧道中设计和测试的。平衡的数值模拟和激波隧道的测量结果表明，当喷管内的载荷对称时，推力可以得到正确的恢复，但在某些情况下，意外的压力不对称会阻碍推力的成功恢复。

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Developing a stress wave thrust balance for a hypersonic shock tunnel

The development of a thrust balance for the measurement of the net thrust produced in a scramjet nozzle is described. The balance has been designed and tested in the T4 shock tunnel at the University of Queensland. Numerical simulations of the balance and measurements made in the shock tunnel demonstrate that the thrust is correctly recovered when the loading in the nozzle is symmetric, but unexpected pressure asymmetry in some cases prevented successful recovery of the thrust.

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ICIASF'97 Record. International Congress on Instrumentation in Aerospace Simulation Facilities

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