基于高压容腔膜片爆破方式的进气道锤击波计算方法

By using a calculation method for intake hammer wave based on the high-pressure cavity diaphragm bursting mode, the problem of inaccurate intake hammer wave load assessment is solved, and the influence analysis of intakes with different volumes, pressure sequences and types is realized, thus improving the efficiency and accuracy of the experiment.

CN122282252BActive Publication Date: 2026-07-17AVIC SHENYANG AERODYNAMICS RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
AVIC SHENYANG AERODYNAMICS RES INST
Filing Date
2026-05-28
Publication Date
2026-07-17

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Abstract

本发明公开了基于高压容腔膜片爆破方式的进气道锤击波计算方法，属于飞机进气道结构设计技术领域。解决了现有技术中传统的进气道锤击波计算方法难以对锤击波载荷进行准确评估的问题；本发明以进气道内外流定常数值模拟的结果为初场，根据高压容腔膜片爆破瞬间的压力随时间的变化函数，编写计算代码并加入到高压容腔计算模块中，将高压容腔计算模块加入到进气道定常流场中内流道的下游，给定高压容腔的容积和爆破压力等输入条件，通过非定常数值模拟得到高压气体逆气流传播形成锤击波并在进气道内传播的过程，完成进气道锤击波计算。本发明有效提升了膜片爆破模拟试验效率，可以应用于高压容腔膜片爆破试验。
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