U形管内汽液两相流流型数值模拟及优化  

Numerical Simulation on Flow Pattern of Vapor-liquid Two-phase Flow in U-type Tube

作　　者：王强 邓科 钦书丽 曾金辉 季敏东 WANG Qiang;DENG Ke;QIN Shuli;ZENG Jinhui;JI Mingdong(Dongfang Boiler Co.,Ltd.,611731,Chengdu,China)

机构地区：[1]东方电气集团东方锅炉股份有限公司,成都611731

出　　处：《东方电气评论》2023年第3期70-74,共5页Dongfang Electric Review

摘　　要：为研究U形管内汽液两相流流型变化,使用多相流Mixture混合模型对其进行了数值模拟,分析U形管内流型及传热特性的变化。通过分析模拟结果,优化蒸发器结构,提高其换热性能及运行可靠性。In order to study the evolution of the flow pattern in a phase-transition vapor-liquid two-phase flow in a U-type tube,numerical simulation based on Mixture model was performed.The characteristics of convective heat transfer and evolution of flow patterns in the simulated U-type tube-flow were analyzed.By analyzing the simulation results,the evaporator structure is optimized to improve its heat transfer performance and operation reliability.

关 键 词：汽液两相流 流型 U形管 

分 类 号：TK224.21[动力工程及工程热物理—动力机械及工程]