Study on Modeling Experiment and Numerical Simulation of Gas Fuel Control Valve

CHEN Liangqi; WANG Nan; LOU Juwei; ZHANG Jiageng; WANG Jiangfeng; DAI Yiping

doi:10.19805/j.cnki.jcspe.2025.240029

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Study on Modeling Experiment and Numerical Simulation of Gas Fuel Control Valve

更新时间：2026-01-27

- Study on Modeling Experiment and Numerical Simulation of Gas Fuel Control Valve
- Chinese Journal of Power Engineering Vol. 45, Issue 4, Pages: 522-527(2025)
- 作者机构：
  
  西安交通大学能源与动力工程学院,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.19805/j.cnki.jcspe.2025.240029
  CLC： TK471
- Published Online：28 April 2025，
  
  Published：2025
- 稿件说明：
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陈良奇,王楠,娄聚伟,张嘉耕,王江峰,戴义平. 气体燃料控制阀模化试验及数值模拟研究动力工程学报, 2025, 45(4): 522-527 https://doi.

org/10.19805/j.cnki.jcspe.2025.240029
陈良奇,王楠,娄聚伟,张嘉耕,王江峰,戴义平. 气体燃料控制阀模化试验及数值模拟研究动力工程学报, 2025, 45(4): 522-527 https://doi. DOI： 10.19805/j.cnki.jcspe.2025.240029.

org/10.19805/j.cnki.jcspe.2025.240029 DOI：

摘要

气体燃料控制阀作为控制燃气轮机燃料通流的核心部件

直接影响燃气轮机运行的稳定性和安全性。采用低压空气代替燃气

对气体燃料控制阀进行模化设计和试验

对比验证了数值模拟计算的准确性

并对原型参数的气体燃料控制阀进行了数值模拟和流动损失分析。结果表明:在几何相似、压比和马赫数相同以及雷诺数处于自模化区的前提下

模化试验可以较好地反映原型阀门的通流和损失特性

质量流量模拟值与试验值的均方根误差为3.26%;随着阀门开度的增大

阀门扩张段产生的激波减小了阀门前后的压力损失

随着气体燃料控制阀压比的减小

阀门喉部高速区逐渐扩大

流速缓慢减小。

Abstract

As the key component of gas turbine for fuel flow control

gas fuel control valve directly affects the stability and safety of gas turbine operation. Low-pressure air was used to replace gas

and the gas fuel control valve was modeled and tested. The accuracy of the simulation calculation was verified by comparing the results. The numerical simulation and flow loss analysis were conducted on the prototype valve. Results show that based on premise of geometric similarity

the same pressure ratio and Mach numbers

and the Reynolds number in the self-modeling area

the modeling experiment can well reflect the flow and loss characteristics of the prototype valve. The root mean square error of mass flow between the simulated value and the experimental value is 3.26%. As the opening degree of valve increases

the shock wave generated by the valve expansion section can reduce the pressure loss before and after the valve. As the pressure ratio of the gas fuel control valve decreases

the high-speed area of the valve throat gradually expands and the flow rate slowly decreases.

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references

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