小通道扁管内纳米流体流动与传热特性

工程热物理学报 , 2004, 25(2): 305-307.

1.南京理工大学动力工程学院,江苏,南京,210094

2.南京理工大学动力工程学院,江苏,南京,210094

基金项目: 高等学校博士学科点专项科研项目(20020288001) 国家自然科学基金(50176018)

FLOW AND HEANT TRANSFER PERFORMANCES OF NANOFLUIDS INSIDE SMALL HYDRAULIC DIAMETER FLAT TUBE

建立了测量小通道扁管内纳米流体流动与对流换热性能的实验系统,测量了不同粒子体积份额的水-Gu纳米流体的管内对流换热系数和摩擦阻力系数,实验结果表明,在相同雷诺教条件下,小通道扁管内纳米流体的对流换热系数大于纯液体,且随粒子的体积份额的增加而增大,而纳米流体的阻力系教并未明显增大.

[1]	Yang C-Y;Webb R L .Condensation of R-12 in Small Hydraulic Diameter Extruded Aluminun Tubes with and without Micro-fins[J].International Journal of Heat and Mass Transfer,1996,39(04):791-800.
[2]	Yang C-Y;Webb R L .Friction Pressure Drop of B-12 in Small Hydraulic Diameter Extruded AluminumTubes with and without Micro-fins[J].International Journal of Heat and Mass Transfer,1996,39(04):801-805.
[3]	Ralph L.Webb;Kemal Ermis .Effect of Hydraulic Diameter on Condensation of R-134A in Flat, Extruded Aluminum Tubes[J].Journal of enhanced heat transfer: Theory and application in high performance heat and mass transfer,2001(2):77-90.
[4]	Xuan Yimin;Li Qiang .Heat Transfer Enhancement of Nanofiuids[J].International Journal of Heat and Fluid Flow,2000,21(01):58-64.
[5]	李强,宣益民.铜-水纳米流体流动与对流换热特性[J].中国科学E辑,2002(03):331-337.
[6]	W M Kays;AL London;宣益民.紧凑式热交换器[M].北京:科学出版社,1997

上一张下一张

计量

作者相关

文章评分