蒸汽冷凝过程流动与传热研究综述

被引：7

作者：

王卫良

吕俊复

张海

岳光溪

倪维斗

机构：

[1] 清华大学热科学与动力工程教育部重点实验室

来源：

中国电机工程学报 | 2017年 / 37卷 / 23期

关键词：

冷凝; 气液流动; 传热; 不凝气体; 计算流体力学; 蒸汽; 建模;

D O I：

10.13334/j.0258-8013.pcsee.170418

中图分类号：

TK124 [传热学];

学科分类号：

080701 ;

摘要：

蒸汽冷凝是电站汽轮机组乏汽低温放热的核心过程。针对国内外涉及蒸汽冷凝过程的流动与传热,以及相关数学建模等方面的研究进行了系统综述。针对蒸汽冷凝过程的基础研究,重点考察了管外蒸汽冷凝、管内蒸汽冷凝、平板表面冷凝等几种常见情况。针对蒸汽冷凝过程的数学建模,重点考察了蒸汽冷凝过程传热特性机理的建模、多向流动的数学模型、以及涉及数值计算方法等方面的研究。基于行业发展需求,文中提出应加强蒸汽冷凝过程中气-液两相界面边界层内动量传递、传热传质机理等相互作用机制进行研究,并重点研究不凝气体对冷凝过程的定量影响机制以及相关过程的动态特性,以进一步把握冷凝过程的科学本质,保障工业应用过程的系统安全。

引用

页码：6910 / 6917+7081 +7081

页数：9

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