V锥流量计湿气流量测量新模型

贺登辉 1; 柳海 2; 张锋 2; 李星 1; 周日峰 1; 白博峰 1

doi:10.7652/xjtuxb201301007

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V锥流量计湿气流量测量新模型

更新时间：2025-07-09

- V锥流量计湿气流量测量新模型
- A New Model for Wet Gas Flow Measurement with V-Cone Meter
- 西安交通大学学报 2013年47卷第1期页码：32-36
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
  
  : 2012-07-20。作者简介: 贺登辉(1986-), 男, 博士生;白博峰(通信作者), 男, 教授, 博士生导师。基金项目: 国家自然科学基金创新研究群体资助项目(51121092)
- DOI：10.7652/xjtuxb201301007
  中图分类号： TH71;TK313
- 网络首发：2013-01-10，
  
  纸质出版：2013
- 稿件说明：
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贺登辉 1, 柳海 2, 张锋 2, 等. V锥流量计湿气流量测量新模型[J]. 西安交通大学学报, 2013,47(1):32-36.

A New Model for Wet Gas Flow Measurement with V-Cone Meter[J]. 2013, 47(1): 32-36.
贺登辉 1, 柳海 2, 张锋 2, 等. V锥流量计湿气流量测量新模型[J]. 西安交通大学学报, 2013,47(1):32-36. DOI： 10.7652/xjtuxb201301007.

A New Model for Wet Gas Flow Measurement with V-Cone Meter[J]. 2013, 47(1): 32-36. DOI： 10.7652/xjtuxb201301007.

摘要

针对V锥流量计在测量湿气时产生的虚高问题

提出用V锥流量计的两相流量系数来进行修正。采用节流比为0.75的V锥

在压力为0.10～0.22 MPa、气相流量为100～300 m

·h

-1

、液相流量为0～0.08 m

·h

-1

的实验条件下

研究了Lockhart-Martinelli(L-M)参数、压力及气体密度弗鲁德数对V锥两相流量系数的影响。结果表明

两相流量系数与L-M参数呈良好的线性关系

线性斜率受气体密度弗鲁德数和压力的影响。获得了两相流量系数与L-M参数、气体密度弗鲁德数和压力的拟合关联式

并建立了基于两相流量系数的湿气测量模型。在95%的置信水平下

新模型的气相流量测量相对误差小于±5%。

Abstract

The two-phase flow coefficient of a V-cone meter was proposed to correct the “over-reading” produced by measuring the wet gas using the V-cone meter. The experiment was conducted with the V-cone meter with a diameter ratio of 0.75 for air and water. The test pressure ranged from 0.10 MPa to 0.22 MPa

and the gas and liquid mass flow rates were from 100 m

·h

-1

to 300 m

·h

-1

and from 0 to 0.08 m

·h

-1

respectively. The effects of the Lockhart-Martinelli parameter

the operating pressure and the gas densiometric Froude number on the two-phase flow coefficient were investigated. The results show that the two-phase flow coefficient increased linearly with the Lockhart-Martinelli parameter

and the slope of the two-phase flow coef

ficient vs. the Lockhart-Martinelli parameter was affected by the gas densiometric Froude number and the pressure. The correlation between the two-phase flow coefficient and the Lockhart-Martinelli parameter

the gas densiometric Froude number and the pressure was obtained. On the basis of the two-phase flow coefficient

the wet gas model was developed. The relative error of the gas mass flow rate predicted by the model is within ±5.0% at the 95% confidence level.

关键词

Keywords

references

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