基于无量纲压损系数的湿气两相流双参数测量方法研究

doi:10.3901/JME.2025.20.174

机械工程学报 ›› 2025, Vol. 61 ›› Issue (20): 174-181.doi: 10.3901/JME.2025.20.174

• 可再生能源与工程热物理 • 上一篇

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基于无量纲压损系数的湿气两相流双参数测量方法研究

张瑛¹, 李珊珊², 山德克³, 石远¹, 白博峰²

1. 中国石油新疆油田分公司工程技术研究院克拉玛依 834000;
2. 西安交通大学绿色氢电全国重点实验室西安 710000;
3. 中国石油新疆油田分公司基本建设工程处克拉玛依 834000

收稿日期:2024-12-08 修回日期:2025-06-15 发布日期:2025-12-03
作者简介:白博峰(通信作者)，男，1971年出生，博士，教授，博士研究生导师。主要研究方向为多相流与传热、氢能储运、热能系统能效提升、动力工程多相流、石油工程多相流等。E-mail:bfbai@mail.xjtu.edu.cn.
基金资助:
国家杰出青年科学基金(51425603)、陕西省重点研发计划(2023GXLH-015)和陕西省三秦英才特殊支持计划资助项目。

Online Measurement of Gas and Liquid Two-phase Flow Rates in Wet Gas Based on Dimensionless Pressure Loss Coefficient

ZHANG Ying¹, LI Shanshan², SHAN Deke³, SHI Yuan¹, BAI Bofeng²

1. Engineering Technology Research Institute, PetroChina Xinjiang Oilfield Company, Karamay 834000;
2. State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an 710000;
3. Engineering Department of Infrastructure Consturction, PetroChina Xinjiang Oilfield Company, Karamay 834000

Received:2024-12-08 Revised:2025-06-15 Published:2025-12-03

摘要/Abstract

摘要： 基于单锥体差压流量计测量装置，提出湿气两相流量双参数在线测量方法。试验采集了两相流经锥体节流件上游-喉部之间的差压信号，以及上游-下游之间的压损信号来反映气相和液相的流量。首先基于两相质量流量系数，结合上游-喉部差压信号，建立气相流量预测模型。然后分析了节流件上游-下游压损信号的无量纲数——分气相压损折算系数φ_g²以及两相压损比δ随洛玛参数的变化，进而分别建立了基于φ_g²以及δ的两个气液流量双参数测量辅助方程。通过对比分析两个辅助关联式的变化特征，确定两相压损比关联式用于气液两相流量双参数测量的可行性，建立了基于单节流元件的两相流量双参数测量模型。在试验范围内，气相质量流量预测相对误差在±5%左右，液相质量流量相对误差在±20%左右。

关键词: 气液两相流, 流量双参数测量, 差压信号, 压损比

Abstract: Gas-liquid two-phase flow rates online measurement method in wet gas is proposed based on the differential pressure meter. The upstream-throat differential pressure and the upstream-downstream differential pressure of the two-phase flow through the cone meter were collected to reflect the gas and liquid flow rates. Firstly, the gas phase flow rate model was proposed based on the two-phase mass flow rate coefficient. Then the gas phase differential pressure loss conversion coefficient φ_g² and two-phase pressure loss ratio δ were analyzed, and the auxiliary correlations were established based on φ_g² and δ. The characteristics of the two auxiliary correlations were compared and analyzed, and the correlation based on δ was used for gas-liquid two-phase mass flow rates measurement. In the experiment, the relative error of the predicted gas mass flow rate is about ±5%, and that of the predicted liquid mass flow rate is about ±20%.

Key words: gas-liquid two-phase flow, Flow rates measurement, differential pressure signals, pressure loss ratio

中图分类号:

TK313

张瑛, 李珊珊, 山德克, 石远, 白博峰. 基于无量纲压损系数的湿气两相流双参数测量方法研究[J]. 机械工程学报, 2025, 61(20): 174-181.

ZHANG Ying, LI Shanshan, SHAN Deke, SHI Yuan, BAI Bofeng. Online Measurement of Gas and Liquid Two-phase Flow Rates in Wet Gas Based on Dimensionless Pressure Loss Coefficient[J]. Journal of Mechanical Engineering, 2025, 61(20): 174-181.

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基于无量纲压损系数的湿气两相流双参数测量方法研究

Online Measurement of Gas and Liquid Two-phase Flow Rates in Wet Gas Based on Dimensionless Pressure Loss Coefficient

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