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在双组元推进系统中,使用单向阀控制气体介质单向流动.当上游气源接通时,单向阀受到瞬间冲击激励,其阀芯与弹簧构成简单的弹簧质量系统,在阻尼作用下,与非线性阀座或刚性阀座碰撞,会出现复杂的共振现象,导致整个气压系统不稳定.文中建立了单向阀弹簧质量系统的数学模型,并分析了所产生的共振现象,为单向阀设计、试验和使用中控制共振现象提供了一种方法.
In the two-component propulsion system, the one-way valve is used to control the unidirectional flow of the gas medium. When the upstream gas source is turned on, the one-way valve is subjected to the instantaneous impact excitation and the valve core and the spring form a simple spring quality system. , And the nonlinear valve seat or the rigid seat collides, there will be complex resonance phenomenon, resulting in instability of the entire pressure system.In this paper, the establishment of a one-way valve spring mass system mathematical model and analysis of the resonance phenomenon is Check valve design, testing and use of resonance control provides a way.