Indexed by:期刊论文
Date of Publication:2013-09-25
Journal:建筑热能通风空调
Volume:32
Issue:5
Page Number:1-5
ISSN No.:1003-0344
Key Words:U型管;数值模拟;混合对流;传热
Abstract:本文通过三维数值模拟的方法研究了混合对流作用下U型管管内的换热特性,分析了管内截面自然对流对管内层流换热的影响及主流速度、壁面热流密度和U型管倾角等参数对管内混合对流换热特性的影响.结果表明:与纯强制对流相比混合对流作用下其管内换热系数显著增大;在混合对流作用下,随壁面热流密度增大,管内换热增强,但随进口流速或U型管倾角的增大时,管内换热减弱.
Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Main positions:Deputy Director, Department of Civil Engineering, Dalian University of Technology
Other Post:Member of APEC EGEE&C Group
Gender:Male
Alma Mater:Harbin Institute of Technology
Degree:Doctoral Degree
School/Department:Institute of Building Energy, Dalian University of Technology
Discipline:Heat and Gas Supply, Ventilation and Air Conditioning Engineering
Business Address:417 Room, Houxing Building
Contact Information:Email：zhaotianyi@dlut.edu.cn Office:86-411-84707734
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