基于源汇法和数学解析法的轴流式止回阀阀芯流线型设计及流阻系数分析
Petro-Chemical Equipment(2013)
Abstract
采用源汇法和数学解析法相结合的方法设计轴流式止回阀的阀芯线型,利用等强度线源与直线均匀流叠加法以及精确数学表达法,分析推导了阀芯中阀瓣和导流罩的表面曲线数学表达式,解析推导了轴流式止回阀的流阻系数。以此方法对某型号的轴流式止回阀阀芯的线型进行改进设计,计算了改进前后的阀门流阻系数,通过对比分析可知流阻系数降低明显,此研究结果可为轴流式止回阀阀芯的线型设计提供一定的理论分析和计算方法。
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Key words
axial check valve,flow resistance coefficient,line-type design,singularity distribution method,mathematical analytic method,analysis
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