细圆管内纳米颗粒悬浮液强化对流换热的探讨

工程热物理学报 , 2004, 25(4): 643-645.

1.清华大学热能工程系,北京,100084

2.清华大学热能工程系,北京,100084

3.清华大学热能工程系,北京,100084

4.清华大学热能工程系,北京,100084

基金项目: 国家自然科学基金(50276030)

ENHANCING CONVECTION HEAT TRANSFER IN MINI TUBES WITH NANOPARTICLE SUSPENSIONS

实验研究了细圆管内去离子水和氧化铜纳米颗粒悬浮液的对流换热特性.根据实验数据,得到纳米颗粒悬浮液相对于去离子水的对流换热强化特性.结果表明,氧化铜纳米颗粒的加入强化了去离子水的换热性能,其强化程度随Re的变化因管径而异,并且与流态有关.

[1]	Choi S U S.Enhancing Thermal Conductivity of Fluids with Nanoparticles[A].New York,ASME FED,1995:6-12.
[2]	Eastman J A;Choi S U S;Li S.Enhanced Thermal Conductivity through the Development of Nanofluids[A].Materials Research Society,1997:3-11.
[3]	Lee S P;Choi S U S.Application of Metallic Nanoparticle Suspensions in Advanced Cooling Systems[A].New York,ASME PVP,1996:227-234.
[4]	Yimin Xuan;Wilfried Roetzel .Conceptions for heat transfer correlation of nanofluids[J].International Journal of Heat and Mass Transfer,2000(19):3701-3707.
[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]	李强,宣益民.纳米流体对流换热的实验研究[J].工程热物理学报,2002(06):721-723.
[7]	LI JUNMING;Li Zeliang;Wang Buxuan .Experimental Experimental Viscosity Measurements for Copper Oxide Nanoparticle Suspensions[J].Tsinghua Science and Technology,2002,7:198-201.
[8]	S. Lee;S. U. -S. Choi;S. Li;J. A. Eastman .Measuring thermal conductivity of fluids containing oxide nanoparticles[J].Journal of heat transfer: Transactions of the ASME,1999(2):280-289.

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