Performance of cone meter for measuring cryogenic fluid considering cavitation

被引：1

作者：

He D. ^{[1
]}

Chang Z. ^{[1
]}

Bai B. ^{[2
]}

Chen S. ^{[1
]}

Guo P. ^{[1
]}

机构：

[1] State Key Laboratory of Eco-hydraulic in Northwest Arid Region, Xi’an University of Technology, NO.5 South Jinhua Road, Xi’an

[2] State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, No.28, Xianning West Road, Xi’an

来源：

International Journal of Fluid Machinery and Systems | 2019年 / 12卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Cone meter; Cryogenic fluid; Discharge coefficient; Flow rate measurement; Pressure loss coefficient;

D O I：

10.5293/IJFMS.2019.12.1.012

中图分类号：

学科分类号：

摘要：

The performance of the cone meter when measuring the cryogenic fluid was investigated by numerical simulation. The results show that the discharge coefficient and pressure loss coefficient of the cone meter are almost constant when the Reynolds number in the “stable region”. The cryogenic fluids, especially the liquid hydrogen, have wider stable Reynolds number ranges than the water. There is little effect of cavitation on the discharge coefficient and pressure loss coefficient at the initial stage of cavitation. Thus the effect of slight cavitation on the measurement error of the flow rate is small, whose relative error is less than ±0.5% in present cases. This study opens a new avenue for measuring the flow rate of the cryogenic fluid. © 2019, Turbomachinery Society of Japan. All rights reserved.

引用

页码：12 / 21

页数：9

共 35 条

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