TWO DIMENSIONAL NUMERICAL SIMULATION OF INNER FLOW FIELD IN THE TWO-PHASE LIQUID LEVEL CONTROLLER

HAN Shu-fei; CHEN Guo-hui; LIU Ji-pingXi'an Jiaotong University

doi:10.19666/j.rlfd.2008.02.005

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TWO DIMENSIONAL NUMERICAL SIMULATION OF INNER FLOW FIELD IN THE TWO-PHASE LIQUID LEVEL CONTROLLER

更新时间：2025-09-28

- TWO DIMENSIONAL NUMERICAL SIMULATION OF INNER FLOW FIELD IN THE TWO-PHASE LIQUID LEVEL CONTROLLER
- Thermal Power Generation Issue 2, Pages: 22-26(2008)
- 作者机构：
  
  西安交通大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2008.02.005
  CLC： TP214
- Published：2008
- 稿件说明：
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HAN Shu-fei, CHEN Guo-hui, LIU Ji-pingXi'an Jiaotong University. TWO DIMENSIONAL NUMERICAL SIMULATION OF INNER FLOW FIELD IN THE TWO-PHASE LIQUID LEVEL CONTROLLER[J]. Thermal power generation, 2008, (2): 22-26.
DOI：

HAN Shu-fei, CHEN Guo-hui, LIU Ji-pingXi'an Jiaotong University. TWO DIMENSIONAL NUMERICAL SIMULATION OF INNER FLOW FIELD IN THE TWO-PHASE LIQUID LEVEL CONTROLLER[J]. Thermal power generation, 2008, (2): 22-26. DOI： 10.19666/j.rlfd.2008.02.005.

摘要

介绍了气液两相流液位调节器的工作原理及其在火电厂的应用。针对气液两相流液位调节器内部的复杂流场

利用计算流体力学商用软件PHONICS 3.4

选用k-ε湍流模型

对调节器内部压力场、速度场进行数值模拟

得到不同尺寸和类型的喷嘴对调节器内部流场分布的影响结果。模拟结果表明

喷嘴喉部直径越小

调节器前后的压损越大

喷嘴处的速度峰值越高。渐缩型喷嘴是理想的喷嘴类型。

Abstract

The working principle of two-phase flow liquid level controller and its application in the power plants have been presented.Directing againt the complex inner flow field of the two-phase liquid level controller

a k-ε turbulent model is selected to simulate the velocity and pressure fields in the controller by using the commercial software PHOENICS 3.4 of computational fluid dynamics

the influence of different nozzle size and type upon the velocity and pressure fields in the controller has been obtained.Results show that the smaller the throat diameter of the nozzle

the greater the total pressure loss before and after the controller

and the higher peak value of velocity through the nozzle.Moreover

the nozzle of gradually reduced type is the best type of nozzle to be used.

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