涡产生器翼高对管翅式换热器流动与传热的影响

doi:10.11949/j.issn.0438-1157.20170492

化工学报 ›› 2017, Vol. 68 ›› Issue (S1): 169-177.DOI: 10.11949/j.issn.0438-1157.20170492

涡产生器翼高对管翅式换热器流动与传热的影响

胡万玲¹, 王良璧²

1. 兰州交通大学环境与市政工程学院, 甘肃兰州 730070;
2. 兰州交通大学机电工程学院, 甘肃兰州 730070

收稿日期:2017-04-27 修回日期:2017-04-29 出版日期:2017-08-31 发布日期:2017-08-31
通讯作者: 王良璧,lbwang@mail.lzjtu.cn
基金资助:
国家自然科学基金项目（51306085）；甘肃省科技计划资助项目（1506RJZA066）。

Effect of height of winglet vortex generators on thermal hydrodynamic performance of tube bank fin heat exchanger

HU Wanling¹, WANG Liangbi²

1. School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China;
2. School of Mechanical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China

Received:2017-04-27 Revised:2017-04-29 Online:2017-08-31 Published:2017-08-31
Supported by:
supported by the National Natural Science Foundation of China (51306085) and the Science and Technology Plan of Gansu Province (1506RJZA066).

摘要/Abstract

摘要：

采用数值模拟方法分析了三角形小翼式涡产生器翼高分别为1.5、1.75和2.0 mm时对圆管管翅式换热器空气侧传热及纵向涡强度的影响。结果表明：在相同Re下，随着翼高的增加，Nu、阻力系数 f 以及量纲1二次流强度Se_m都增大；所研究各模型的Se_m与Nu呈唯一对应关系，并且获得了Se_m与Nu的定量关系；以强化传热因子JF作为评价准则，得出翼高为1.75 mm时能够使换热器获得较优的综合强化传热效果。

关键词: 数值模拟, 二次流, 翼高, 对流, 传热

Abstract:

The delta winglet vortex generators can significantly enhance the heat transfer in tube bank fin heat exchangers with a moderate pressure loss penalty. The height of vortex generator has a great influence on the fluid flow and heat transfer of heat exchanger. The effects of height of delta winglet vortex generators on intensity of secondary flow and heat transfer performance of a circular tube bank fin heat exchanger were investigated numerically. Three different heights of vortex generators 1.5,1.75 and 2.0 mm were studied. The results show that under the same Reynolds number,the values of Nusselt number,friction factor and longitudinal vortex intensity all increase with increasing the height of vortex generators. There is one-to-one correlation between the volume average non-dimensional intensity of secondary flow and Nusselt number for all the cases that studied,but there is no such correlation with the friction factor. To screen the optimal height of vortex generators,an appropriate evaluation criterion JF is used and we obtain that the comprehensive heat transfer performance is best if the height of vortex generators is 1.75 mm for the studied cases.

Key words: numerical simulation, secondary flow, height of vortex generator, convection, heat transfer

中图分类号:

TK124

胡万玲, 王良璧. 涡产生器翼高对管翅式换热器流动与传热的影响[J]. 化工学报, 2017, 68(S1): 169-177.

HU Wanling, WANG Liangbi. Effect of height of winglet vortex generators on thermal hydrodynamic performance of tube bank fin heat exchanger[J]. CIESC Journal, 2017, 68(S1): 169-177.

参考文献 31

[1]	TAO W Q,CHENG Y P,LEE T S. 3D numerical simulation on fluid flow and heat transfer characteristics in multistage heat exchanger with slit fins[J]. Heat and Mass Transfer,2007,44(1):125-136.
[2]	TIGGELBECK S,MITRA N K,FIEBIG M. Comparison of wing-type vortex generators for heat transfer enhancement in channel flows[J]. Journal of Heat Transfer,1994,116(4):880-885.
[3]	FIEBIG M,VALENCIA A,MITRA N K. Wing-type vortex generators for fin-and-tube heat-exchangers[J]. Experimental Thermal and Fluid Science,1993,7(4):287-295.
[4]	CHEN Y,FIEBIG M,MITRA N K. Heat transfer enhancement of finned oval tubes with staggered punched longitudinal vortex generators[J]. International Journal of Heat and Mass Transfer,2000,43(3):417-435.
[5]	PRABHAKAR V,BISWAS G,ESWARAN V. Numerical prediction of heat transfer in a channel with a built-in oval tube and two different shaped vortex generators[J]. Numerical Heat Transfer,Part A:Applications,2003,41(3):307-329.
[6]	PRABHAKAR V,BISWAS G,ESWARAN V. Numerical prediction of heat transfer in a channel with a built-in oval tube and various arrangements of the vortex generators[J]. Numerical Heat Transfer,Part A:Applications,2003,44(3):315-333.
[7]	张永恒,王良璧,杨世春. 涡产生器结构参数对管片式换热器局部传热特性的影响[J]. 化工学报,2003,54(3):294-298. ZHANG Y H,WANG L B,YANG S C. Effect of parameters of vortex generator on local heat transfer performance of tube-fin heat exchanger[J]. Journal of Chemical Industry and Engineering(China),2003,54(3):294-298.
[8]	PESTEEI S M,SUBBARAO P M V,AGARWAL R S. Experimental study of the effect of winglet location on heat transfer enhancement and pressure drop in fin-tube heat exchangers[J]. Applied Thermal Engineering,2005,25(11-12):1684-1696.
[9]	史百战,孙东亮,王良璧. 涡强化扁管管片散热器流动与传热的数值模拟[J]. 化工学报,2006,57(2):263-268. SHI B Z,SUN D L,WANG L B. Numerical study of fluid flow and heat transfer over fin-and-flat tube bank heat exchanger with vortex generators[J]. Journal of Chemical Industry and Engineering(China),2006,57(2):263-268.
[10]	SONG K W,WANG L B,FAN J F,et al. Numerical study of heat transfer enhancement of finned flat tube bank fin with vortex generators mounted on both surfaces of the fin[J]. Heat and Mass Transfer,2008,44(8):959-967.
[11]	CHEN Y Y,SONG K W,WANG L B,et al. Comparisons of local experimental results with numerical results of heat transfer enhancement of a flat tube bank fin with vortex generators[J]. Numerical Heat Transfer,Part A:Applications,2009,55(2):144-162.
[12]	LEI Y G,HE Y L,TIAN L T,et al. Hydrodynamics and heat transfer characteristics of a novel heat exchanger with delta-winglet vortex generators[J]. Chemical Engineering Science,2010,65(5):1551-1562.
[13]	HU W L,ZHANG Y H,WANG L B. Numerical simulation on turbulent fluid flow and heat transfer enhancement of a tube bank fin heat exchanger with mounted vortex generators on the fins[J]. Journal of Enhanced Heat Transfer,2011,18(5):361-374.
[14]	HU W L,SONG K W,GUAN Y,et al. Secondary flow intensity determines nusselt number on the fin surfaces of circle tube bank fin heat exchanger[J]. International Journal of Heat and Mass Transfer,2013,62:620-631.
[15]	GHOLAMI A A,WAHID M A,MOHAMMED H A. Heat transfer enhancement and pressure drop for fin-and-tube compact heat exchangers with wavy rectangular winglet-type vortex generators[J]. International Communications in Heat and Mass Transfer,2014,54:132-140.
[16]	DELAC B,TRP A,LENIC K. Numerical investigation of heat transfer enhancement in a fin and tube heat exchanger using vortex generators[J]. International Journal of Heat and Mass Transfer,2014,78:662-669.
[17]	SALVIANO L O,DEZAN D J,YANAGIHARA J I. Optimization of winglet-type vortex generator positions and angles in plate-fin compact heat exchanger:response surface methodology and direct optimization[J]. International Journal of Heat and Mass Transfer,2015,82:373-387.
[18]	ARORA A,SUBBARAO P M V,AGARWAL R S. Development of parametric space for the vortex generator location for improving thermal compactness of an existing inline fin and tube heat exchanger[J]. Applied Thermal Engineering,2016,98:727-742.
[19]	宋克伟,刘松,王良璧. 扁管换热器内纵向涡强度与换热强度对应关系[J]. 化工学报,2016,67(5):1858-1867. SONG K W,LIU S,WANG L B. Relationship between longitudinal vortex intensity and heat transfer intensity of flat tube heat exchanger[J]. CIESC Journal,2016,67(5):1858-1867.
[20]	GAO S D,WANG L B,ZHANG Y H, et al. The optimum height of winglet vortex generators mounted on three-row flat tube bank fin[J]. Journal of Heat Transfer,2003,125(6):1007-1016.
[21]	KE F,WANG L B,HUA L,et al. The optimum angle of attack of delta winglet vortex generators on heat transfer performance of finned flat tube bank with considering non-uniform fin temperature[J]. Experimental Heat Transfer,2006,19(3):227-249.
[22]	ZENG M,TANG L H,LIN M, et al. Optimization of heat exchangers with vortex-generator fin by Taguchi method[J]. Applied Thermal Engineering,2010,30(13):1775-1783.
[23]	何雅玲,楚攀,谢涛. 纵向涡发生器在管翅式换热器中的应用及优化[J]. 化工学报,2012,63(3):746-760. HE Y L,CHU P,XIE T. Application and optimization of fin-and-tube heat exchangers with longitudinal vortex generators[J]. CIESC Journal,2012,63(3):746-760.
[24]	LI L,DU X Z,ZHANG Y W,et al. Numerical simulation on flow and heat transfer of fin-and-tube heat exchanger with longitudinal vortex generators[J]. International Journal of Thermal Sciences,2015,92:85-96.
[25]	BEHFARD M,SOHANKAR A. Numerical investigation for finding the appropriate design parameters of a fin-and-tube heat exchanger with delta-winglet vortex generators[J]. Heat and Mass Transfer,2016,52:21-37.
[26]	YUN J Y,LEE K S. Influence of design parameters on the heat transfer and flow friction characteristics of the heat exchanger with slit fins[J]. International Journal of Heat and Mass Transfer,2000,43(14):2529-2539.
[27]	LIN Z M,WANG L B,GAO Q F. A new method to specify the outlet boundary condition of the channel formed by tube bank fins[J]. Computational Thermal Sciences,2011,3(6):445-459.
[28]	WANG L C,SU M,HU W L,et al. The characteristic temperature in the definition of heat transfer coefficient on the fin side surface in tube bank fin heat exchanger[J]. Numerical Heat Transfer,Part A:Applications,2011,60(10):848-866.
[29]	SONG K W,WANG L B. The effectiveness of secondary flow produced by vortex generators mounted on both surfaces of the fin to enhance heat transfer in a flat tube bank fin heat exchanger[J]. Journal of Heat Transfer,2013,135(4):041902.
[30]	WANG L B,TAO W Q. Numerical analysis on heat transfer and fluid flow for arrays of non-uniform plate length aligned at angles to the flow direction[J]. International Journal of Numerical Methods for Heat and Fluid Flow,1997,7(5):479-496.
[31]	ZHANG Y H,WU X,WANG L B,et al. Comparison of heat transfer performance of tube bank fin with mounted vortex generators to tube bank fin with punched vortex generators[J]. Experimental Thermal and Fluid Science,2008,33(1):58-66.

涡产生器翼高对管翅式换热器流动与传热的影响

Effect of height of winglet vortex generators on thermal hydrodynamic performance of tube bank fin heat exchanger

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

参考文献 31

相关文章 15

编辑推荐

Metrics

本文评价

[1]	宋嘉豪, 王文. 斯特林发动机与高温热管耦合运行特性研究[J]. 化工学报, 2023, 74(S1): 287-294.
[2]	张思雨, 殷勇高, 贾鹏琦, 叶威. 双U型地埋管群跨季节蓄热特性研究[J]. 化工学报, 2023, 74(S1): 295-301.
[3]	晁京伟, 许嘉兴, 李廷贤. 基于无管束蒸发换热强化策略的吸附热池的供热性能研究[J]. 化工学报, 2023, 74(S1): 302-310.
[4]	程成, 段钟弟, 孙浩然, 胡海涛, 薛鸿祥. 表面微结构对析晶沉积特性影响的格子Boltzmann模拟[J]. 化工学报, 2023, 74(S1): 74-86.
[5]	叶展羽, 山訸, 徐震原. 用于太阳能蒸发的折纸式蒸发器性能仿真[J]. 化工学报, 2023, 74(S1): 132-140.
[6]	张双星, 刘舫辰, 张义飞, 杜文静. R-134a脉动热管相变蓄放热实验研究[J]. 化工学报, 2023, 74(S1): 165-171.
[7]	张义飞, 刘舫辰, 张双星, 杜文静. 超临界二氧化碳用印刷电路板式换热器性能分析[J]. 化工学报, 2023, 74(S1): 183-190.
[8]	陈爱强, 代艳奇, 刘悦, 刘斌, 吴翰铭. 基板温度对HFE7100液滴蒸发过程的影响研究[J]. 化工学报, 2023, 74(S1): 191-197.
[9]	刘明栖, 吴延鹏. 导光管直径和长度对传热影响的模拟分析[J]. 化工学报, 2023, 74(S1): 206-212.
[10]	王志国, 薛孟, 董芋双, 张田震, 秦晓凯, 韩强. 基于裂隙粗糙性表征方法的地热岩体热流耦合数值模拟与分析[J]. 化工学报, 2023, 74(S1): 223-234.
[11]	李艺彤, 郭航, 陈浩, 叶芳. 催化剂非均匀分布的质子交换膜燃料电池操作条件研究[J]. 化工学报, 2023, 74(9): 3831-3840.
[12]	王玉兵, 李杰, 詹宏波, 朱光亚, 张大林. R134a在菱形离散肋微小通道内的流动沸腾换热实验研究[J]. 化工学报, 2023, 74(9): 3797-3806.
[13]	齐聪, 丁子, 余杰, 汤茂清, 梁林. 基于选择吸收纳米薄膜的太阳能温差发电特性研究[J]. 化工学报, 2023, 74(9): 3921-3930.
[14]	李科, 文键, 忻碧平. 耦合蒸气冷却屏的真空多层绝热结构对液氢储罐自增压过程的影响机制研究[J]. 化工学报, 2023, 74(9): 3786-3796.
[15]	何松, 刘乔迈, 谢广烁, 王斯民, 肖娟. 高浓度水煤浆管道气膜减阻两相流模拟及代理辅助优化[J]. 化工学报, 2023, 74(9): 3766-3774.