CAJ | 학술논문

建立了对夹式止回阀的三维模型，划分了非结构网格，采用标准k-ε湍流模型和动网格技术分析了阀瓣全开角度对阀动态特性的影响并进行了相关试验，其结果与数值计算结果误差较小，验证了数值模拟的可靠性。计算结果表明，在最优全开角度下，阀门流阻系数、阀瓣振动幅值和流量脉动小，能量损失低，动态性能高，为止回阀优化提供了参考。
건립료대협식지회벌적삼유모형，화분료비결구망격，채용표준k-ε단류모형화동망격기술분석료벌판전개각도대벌동태특성적영향병진행료상관시험，기결과여수치계산결과오차교소，험증료수치모의적가고성。계산결과표명，재최우전개각도하，벌문류조계수、벌판진동폭치화류량맥동소，능량손실저，동태성능고，위지회벌우화제공료삼고。
Established 3D model of check valve,meshed unstructured grid,taking standard k-εturbulence model and dynamic meshing technology to analyze effects on wafer check valves dynamic characteristic of fully open angle.Correspond-ing experiments were carried out,relative error is small compare with numerical calculation,verified the reliability of numer-ical simulation.Calculation results showed that under the optimal open angle,flow resistance coefficient,valve disc vibra-tion amplitude and flow pulsation are small,low power loss,high dynamic performance,which provided a reference for valve optimizing.