[1]王芳田宇张新宇崔璐璐.流速及传热温差对换热器传热系数的影响[J].哈尔滨理工大学学报,2017,(02):29-33.[doi:10.15938/j.jhust.2017.02.006]
 WANG FauR-,TIAN Yu,ZHANG Xiu-yu,et al.Influence on Heat Transfer Coefficient of Heat Exchanger by Velocityand Heat Transfer Temperature Difference[J].哈尔滨理工大学学报,2017,(02):29-33.[doi:10.15938/j.jhust.2017.02.006]
点击复制

流速及传热温差对换热器传热系数的影响()
分享到:

《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2017年02期
页码:
29-33
栏目:
机械动力工程
出版日期:
2017-04-25

文章信息/Info

Title:
Influence on Heat Transfer Coefficient of Heat Exchanger by Velocity and Heat Transfer Temperature Difference
文章编号:
1007-2683(2017)02-0029-05
作者:
王芳 田宇 张新宇 崔璐璐
(哈尔滨理工大学机械动力工程学院,黑龙江哈尔滨isooso>
Author(s):
WANG FauR-TIAN YuZHANG Xiu-yuCUI Lu-Lu
(School of Mechanical and Power L,n}lineerin}, 日arhin I」 nicersitv of Seienee and ’feclmolo}y, llarbin 150080,China)
关键词:
关键词:换热器传热系数流速传热温差
Keywords:
Keywords:heat Exchanger heat transfer coefficient velocityheat transfer temperature difference
DOI:
10.15938/j.jhust.2017.02.006
文献标志码:
A
摘要:
摘要:针对换热器热交换不充分的问题,研究给定结构壳管式换热器热空气流速以及传热温 差对其传热系数的影响,把不同的传热温差,不同的气体流速下的实验数据进行分组,采用控制变 量法,分别对以上两个因素的单独进行分析,做出k-} T,k-:的拟合曲线,得到经验函数。取整个换 热器为研究对象,采用数值模拟的方法,运用多孔介质,k一二模型,采用二阶迎风模式,压力速度藕 合运用SIMPLE算法,给出整个换热器的温度场以及传热系数的分布规律,最终给出以上两个因素 对传热系数的影响趋势。
Abstract:
Abstract:Aimed to insufficient heat transfer of heat exchanger, research the influence on the heat transfer coefficient impacted by velocity and heat transfer temperature difference of tube heat exchanger. According to the different heat transfer temperature difference and gas velocity,the experimental data were divided into group. Using the control variable method,the above two factors were analyzed separately. K一△T and k一:fitting curve were clone to obtain empirical function. The entire heat exchanger is as the study object,using numerical simulation methods,porous media,k一£model,second order upwind mode,and pressure一velocity coupling with SIMPLE algorithm,the entire heat exchanger temperature field and the heat transfer coefficient distribution were given. Finally the trend of the heat transfer coefficient effected by the above two factors was gotten.

备注/Memo

备注/Memo:
收稿日期:2015一10一10 基金项目:国家自然利一学基金(51375123). 作者简介:王芳(1969-),女,博士,教授,硕士研究生导师,L,-mail;wf69yuanC 163 田宇(1990-) ,男,硕士研究生; 张新宇(1989-),男,硕士研究生
更新日期/Last Update: 2017-06-12