Al_2O_3纳米流体用于散热器的换热特性研究Research on Heat Transfer Performance of Al_2O_3 Nanofluid in Radiator
王玮,叶奇昉,陈江平
WANG Wei,YE Qi-fang,CHEN Jiang-ping(Shanghai JiaoTong University
摘要(Abstract)：
采用试验方法研究了60nm的氧化铝—水/乙二醇纳米流体在温度为70℃、80℃和90℃时在换热器中的对流换热特性以及压降特性。结果表明,这种纳米流体能提高对流换热系数21%,增加压降69%。
The heat transfer performance and pressure drop of 60nm Al2O3—water/ethylene glycol nanofluid at 70℃、80℃、90℃ in heat exchanger have been investigated with the experiments.The result shows the nanofluid can increase the convective heat transfer coefficient by 21%,and increase the pressure drop by 69%.
关键词(KeyWords)：
纳米流体;氧化铝;对流换热
nanofluid;Al2O3;convective heat transfer
基金项目(Foundation):
作者(Author):
王玮,叶奇昉,陈江平
WANG Wei,YE Qi-fang,CHEN Jiang-ping(Shanghai JiaoTong University
参考文献(References)：
- [1]Yang Y,Zhang Z G,Grulke E A,et al.Heat TransferProperties of Nanoparticle-in-Fluid Dispersions(Nanofluids)in Laminar Flow[J].InternationalJournal of Heat and Mass Transfer,2005,48:1107-1116.
- [2]李强,宣益民.小通道扁管内纳米流体流动与传热特性[J].工程热物理学报,2004,25(2):305-307.
- [3]Xuan Y M,Li Q.Investigation on Convective HeatTransfer and Flow Features of Nanofluids[J].ASMEJ Heat Transfer,2003,125:151-5.
- [4]Li Q,Xuan Y M.Convective Heat Transfer and FlowCharacteristics of Cu-Water Nanofluid[J].Science inChina(Series E),2002,45(4):408-16.
- [5]Heris S Z,Esfahany M N,Etemad S G.Experimentalinvestigation of convective heat transfer of Al2O3/waternanofluid in circular tube[J].International Journal ofHeat and Fluid Flow,2007,28:203-210.