Hypersonic inlet control with pulse periodic energy addition

Hypersonic inlet control with pulse periodic energy addition
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具有脉冲周期性能量添加的高超声速入口控制

DOI:
10.1243/09544100jaero466
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发表时间:
2009-02
影响因子:
1.1
通讯作者:
Chang, J.T.
Chang, J.T.
中科院分区:
工程技术4区
文献类型:
--
作者:
Fan, Y.;Yu, D.;Shen, Y.;Bao, W.;Zhou, W.;Chang, J.T.

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摘要探讨了在飞行器外高超声速气流中添加脉冲周期能量以增加空气质量捕获率和改善马赫数低于设计值的高超声速进气道性能的理论。对高超声速进气道进行了能量加成的非定常数值模拟,并引入脉冲周期能量加成,探讨了提高高超声速进气道定常性能的可能性。对不同脉冲周期能量附加率下的高超声速进气道进行了数值模拟。仿真结果表明,对于相同的高超声速进气道性能参数,脉冲周期比固定值的性能参数有所改善,而脉冲周期所需的能量附加率小于固定值。
Abstract The theory of pulse periodic energy addition to hypersonic airflow off a vehicle to increase air mass capture and improve the performance of hypersonic inlets at Mach numbers below the design value is explored. The unsteady numerical simulation of hypersonic inlets with energy addition was performed, and pulse periodic energy addition was introduced to discuss the possibility of the steady performance improvement of hypersonic inlets. The numerical simulation of hypersonic inlets at different pulse periodic energy addition rates was carried out. The simulation result shows that the performance parameters are improved at pulse periodic than at fixed values for the same averaged energy addition, and the energy addition rate needed is less at pulse periodic than at fixed values for the same performance parameters of hypersonic inlets.
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