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Study on Improving the Performance of Mixed-Compression Inlet with Fixed-Geometry through Boundary-Layer Bleed
Pages: 28-31,41
Year: Issue:  2
Journal: Aero Weaponry

Keyword:  定几何混压式进气道数值模拟附面层泄除起动;
Abstract: 研究了附面层泄除对定几何混压式进气道起动马赫数、起动点性能和巡航点性能的影响,分析了放气槽的轴向位置、开口面积、出口面积和放气槽与当地气流夹角对进气道性能的影响,研究表明放气槽的轴向位置和出口面积对进气道性能影响较大,且在低马赫数下附面层泄除的影响更明显.最后设计了带放气槽的进气道,在典型状态下,总压恢复系数较原方案提高约7%.
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