全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

微通道换热器内分流板流量分配特性

DOI: 10.6041/j.issn.1000-1298.2012.12.046, PP. 257-261

Keywords: 微通道换热器,分流板,流量分配,试验

Full-Text   Cite this paper   Add to My Lib

Abstract:

以水为工质,以微通道平行流蒸发器为模型,试验研究了1孔、5孔、12孔3种不同结构分流板的流量分配特性,并与无分流板时作了比较。结果表明:集流管的入口雷诺数小于3000时,无分流板和1孔分流板的流量分配受雷诺数的影响很大,均匀性和稳定性均较差,但无分流板时的均匀性好于1孔分流板,当入口雷诺数大于3000时,无分流板时的均匀性最差,1孔分流板的均匀性和稳定性变好;在入口雷诺数小于4000时,5孔分流板的流量分配均匀性和稳定性均较好,当雷诺数大于4000时,均匀性和稳定性变差;12孔分流板的流量分配均匀性和稳定性始终最好,均匀性随着雷诺数增大而略有提高。

References

[1]  李夔宁,吴小波,尹亚领..平行流蒸发器内气液两相流分配均匀性实验研究[J].热能动力工程,2009,(06):759-765.
[2]  Mohammad Ahmad,Georges Berthoud,Pierre Mercier,General characteristics of two-phase flow distribution in a compact heat exchanger,International Journal of Heat and Mass Transfer,2009(1 -2).
[3]  M. A. Habib ;R. Ben-Mansour ;S. A. M. Said ;M. S. Al-Qahtani ;J. J. Al-Bagawi ;K. M. Al-Mansour,Evaluation of flow maldistribution in air-cooled heat exchangers,Computers & Fluids?,2009, 38(3).
[4]  Jun Kyoung Lee,Sang Yong Lee,Distribution of two-phase annular flow at header-channel junctions,Experimental Thermal and Fluid Science,2004(2 -3).
[5]  Sooyoun Kim,Eunsoo Choi,Young I Cho,The effect of header shapes on the flow distributi electronic packaging applications,International Journal of Heat and Mass Transfer,1995(3).
[6]  Sachiyo Horiki,Tomoshige Nakamura,Masahiro Osakabe,Thin flow header to distribute feed water for compact heat exchanger,Experimental Thermal and Fluid Science,2004(2 - 3).
[7]  Tushar Kulkarni,ClarkW Bullard,Keumnam Cho,Header design trade-offs in microchannel evaporators,Applied Thermal Engineering,2004(5 - 6).
[8]  Ralph L Webb,Kilyoan Chung. Two-phase flow distribution to tubes of parallel flow air-cooled heat exchangers[J].Heat Transfer Engineering,2005,(04):3-18.
[9]  Shi Junye,Qu Xiaohua,Qi Zhaogang,Investigating performance of microchannel evaporators with different manifold structures,International Journal of Refrigeration-Revue Internationale du Froid,2011(1).
[10]  刘巍,朱春玲..分流板结构对微通道平行流蒸发器性能的影响[J].化工学报,2012,(03):761-766.doi:10.3969/j.issn.0438-1157.2012.03.012.
[11]  Julio C Pacio,Carlos A Dorao,A study of the effect of flow maldistribution on heat transfer performance in evaporators,Nuclear Engineering and Design,2010(11).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133