From fluid flow momentum theory the basic equation of flow dynamic forces in the spool closing process is derived, and the spool dynamic equation of the two-way cartridge valve is established.
本文根据流体动量理论导出了阀芯关闭过程中液动力的关系式，在此基础上建立了二通插装阀阀芯关闭运动方程。
The Computational Mass Transfer(CMT) model is composed of the basic differential mass transfer equation, closing with auxiliary equations and the appropriate accompanying CFD formulation.
计算传质学模型由浓度输运方程及其封闭方程和相应的计算流体力学模型组成。
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