Indexed by:期刊论文
Date of Publication:2015-12-15
Journal:仪表技术与传感器
Included Journals:PKU、ISTIC、CSCD
Issue:12
Page Number:92-96
ISSN No.:1002-1841
Key Words:均速管;流量系数;数值模拟;大涡模拟
Abstract:为研究方形均速管横截面的当量直径De、静压孔角度θ、风管风速v这3个因素对流量系数的影响，将3个因素依据正交试验理论分成九组，用CFD数值仿真的方法来进行研究分析。为找到最佳的数值仿真方法，用Standard k－ε、Standard k－ω、LES这3种湍流模型进行CFD仿真计算，将仿真计算结果与实流试验结果对比，发现LES模型的计算结果与实际比较相符。当量直径De、静压孔角度θ是影响均速管流量系数的主效应因素，风管风速v对流量系数的影响很小。
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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