首页> 美国政府科技报告 >EVALUATION BY STEP RESPONSE TESTS OF PROTOTYPE RELIEF VALVES DESIGNED FOR YF-12 INLET STABILITY BLEED SYSTEM
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EVALUATION BY STEP RESPONSE TESTS OF PROTOTYPE RELIEF VALVES DESIGNED FOR YF-12 INLET STABILITY BLEED SYSTEM

机译:针对YF-12进气稳定性系统设计的原型减压阀的阶跃响应测试评估

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摘要

Two stability bleed system relief valves were tested in a special dynamic test facility. These poppet valves are prototypes for a stability bleed system designed for use in a YF-12 flight inlet. One valve is unshielded, while the other has a special shield to eliminate the flow ef¬fect pressures on the piston. The tests determined the size of a damping orifice to be used during wind tunnel tests of the bleed system and verified an analog simulation of the valves. The effects of initial pressure level, pressure step size, and spring rate were investigated.

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