流体机械

2010, v.38;No.455(05) 8-12

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常压出口铰接阀流阻特性的影响因素及其试验研究
Experiment on the Influence Factors of Flow Resistance Characteristics of Hinged Valve with Free Export

巩学梅;邓鸿英;
GONG Xue-mei1 DENG Hong-ying2(1.Ningbo University of Technology,Ningbo 315016,China 2.Zhejiang University of Technology,Hangzbou 310014,China)

摘要(Abstract):

在常压出口工况条件下,通过对一种新型冷凝液输送泵铰接阀流阻特性的分析及试验,得到阀的局部阻力系数与其各种影响因素的关系。阐述了阀直径D、旋启阀瓣密度ρ阀、流量Q、阀瓣开度对铰接阀的局部阻力系数的主要影响,并给出了它们之间的关系曲线。
In free export condition,through analysis and experiment on the influence factor of flow resistance characteristics of hinged valve applied to a new condensate pump,the relationship of the local resistance coefficientξ and its influence factor is obtained.The diameter D,density of swing disc ρwalve,flow rate Q and the valve opening angle α is point out to be the main factors influencing on the hinged valve's local resistance coefficientξ.The influence of these factors on the hinged valve's local resistance coefficient is given.

关键词(KeyWords): 铰接阀;流阻特性;局部阻力系数;影响因素
hinged valve;flow resistance characteristics;local resistance coefficient;influence factor

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作者(Author): 巩学梅;邓鸿英;
GONG Xue-mei1 DENG Hong-ying2(1.Ningbo University of Technology,Ningbo 315016,China 2.Zhejiang University of Technology,Hangzbou 310014,China)

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