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...

环路热管复合毛细芯的孔结构优化与性能研究

, PP. 70-74

Keywords: 环路热管,复合毛细芯,导热系数,毛细抽吸性能,造孔剂

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用不同粒度的造孔剂制备了孔隙特性优化布置的环路热管双层复合结构毛细芯。研究了复合结构毛细芯的导热系数及其整体毛细抽吸性能。实验结果表明:孔隙率相同的情况下,毛细芯的导热系数随着平均孔径的降低及孔径分布的集中而降低。通过控制复合结构毛细芯内外层的孔隙特性可调节毛细芯的整体导热系数分布。双层复合结构毛细芯的整体毛细抽吸性能介于相应单层毛细芯的抽吸性能之间,其整体毛细抽吸性能主要取决于内层的孔隙特性。考虑到复合毛细芯的导热系数布置、整体毛细抽吸性能和气体渗透率等因素,采用内层小孔径而外层孔径较大的复合毛细芯结构可实现环路热管毛细芯整体性能的优化。

References

[1]  Vasiliev L,Lossouarn D,Romestant C,et al. Loop heat pipe for cooling of high-power electronic components[J]. International Journal of Heat and Mass Transfer, 2009,52(1-2):301-308.
[2]  姚寿广,马哲树,陈如冰. 一种新型结构的热管式散热冷板性能的数值模拟试验与分析[J]. 中国电机工程学报, 2005,25(7):41-45. Yao Shouguang,Ma Zheshu,Chen Rubing.Numerical experimental study and analysis of performance for heat pipe cooling flat-plate with a newly structure[J].Proceedings of the CSEE,2005,25(7)
[3]  Singh R,Akbarzadeh A,Dixon C,et al. Miniature loop heat pipe with flat evaporator for cooling computer CPU[J]. IEEE transactions on components and packaging technologies, 2007,30(1):42-49.
[4]  Feng J T,Lin G P,Bai L Z. Experimental investigation on operating instability of a dual compensation chamber loop heat pipe[J]. Science in China, 2009,52(8):2316-2322.
[5]  Li J,Wang D,Peterson G P. Experimental studies on a high performance compact loop heat pipe with a square flat evaporator[J]. Applied Thermal Engineering, 2010,30(6-7):741-752.
[6]  Chernysheva M A,Vershinin S V,Maydanik Y F. Operating temperature and distribution of a working fluid in LHP[J]. International Journal of Heat and Mass Transfer, 2007,50(13-14):2704-2713.
[7]  Maydanik Y F. Loop heat pipes[J]. Applied Thermal Engineering, 2005,25(5-6):635-657.
[8]  Semenica T,Lin Y Y,Catton I,et al. Use of biporous wicks to remove high heat fluxes[J]. Applied Thermal Engineering, 2008,28(4):278-283.
[9]  Vershinin S V,Maydanik Y F. Hysteresis phenomena in loop heat pipes[J]. Applied Thermal Engineering, 2007,27(5-6):962-968.
[10]  Yeh C C,Chen C N,Chen Y M. Heat transfer analysis of a loop heat pipe with biporous wicks[J]. International Journal of Heat and Mass Transfer, 2009,52(19-20):4426-4434.
[11]  李金旺,邹勇,程林. 多孔结构毛细抽吸模型及实验验证[J]. 中国电机工程学报, 2011,31(11):57-61. Li Jinwang,Zou Yong,Cheng Lin.Development and experimental verification of capillary pumping model for porous structure[J].Proceedings of the CSEE,2011,31(11)
[12]  苗建印,侯增祺,曹剑峰. 环路热管内工质流动特性的研究[J]. 中国空间科学技术, 2011,(4):57-63. Miao Jianyin,Hou Zengqi,Cao Jianfeng.Hydrodynamics analyses of working fluid in loop heat pump[J].Chinese Space Science and Technology,2011,(4)
[13]  李强,周海迎,宣益民. 复合结构毛细蒸发器传热特性研究[J]. 工程热物理学报, 2008,29(1):148-150. Li Qiang,Zhou Haiying,Xuan Yimin.Investigation on heat transfer characteristics of composite capillary evaporator[J].Journal of Engineering Thermophysics,2008,29(1)
[14]  Ren C,Wu Q S,Hu M B. Heat transfer with flow and evaporation in loop heat pipe's wick at low or moderate heat fluxes[J]. International Journal of Heat and Mass Transfer, 2007,50(11-12):2296-2308.
[15]  Vlassov V V,Riehl R R. Mathematical model of a loop heat pipe with cylindrical evaporator and integrated reservoir[J]. Applied Thermal Engineering, 2008,28(8-9):942-954.
[16]  宝鸡有色金属研究所. 粉末冶金多孔材料(下册)[M]. 冶金工业出版社, 1979:49-50. Baoji Nonferrous Metal Research Institute.Powder metallurgy porous material[M]. Metallurgical Industry Press,1979:49-50(in Chinese).
[17]  Semenic T,Catton I. Experimental study of biporous wicks for high heat flux applications[J]. International Journal of Heat and Mass Transfer, 2009,52(21-22):5113-5121.
[18]  Bai L,Lin G,Zhang H,et al. Mathematical modeling of steady-state operation of a loop heat pipe[J]. Applied Thermal Engineering, 2009,29(13):2643-2654.
[19]  Xin G M,Cui K H,Zou Y,et al. Reduction of effective thermal conductivity for sintered LHP wicks[J]. International Journal of Heat and Mass Transfer, 2010,53(13-14):2932-2934.
[20]  李金旺,邹勇,程林. 环路热管毛细芯热物性实验研究[J]. 中国电机工程学报, 2010,30(17):57-61. Li Jinwang,Zou Yong,Cheng Lin.Experimental study on thermo physical properties of capillary wicks for loop heat pipe[J].Proceedings of the CSEE,2010,30(17)
[21]  Xu J Y,Zou Y,Fan M X,et al. Effect of pore parameters on thermal conductivity of sintered LHP wicks[J]. International Journal of Heat and Mass Transfer, 2012,(Accepted).
[22]  Kiseev V,Vlassov V,Muraoka I. Experimental optimization of capillary structures for loop heat pipes and heat switches[J]. Applied Thermal Engineering, 2010,30(11-12):1312-1319.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133