期刊
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS
卷 69, 期 7, 页码 763-780出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10407782.2015.1090809
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资金
- King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, Saudi Arabia [RG1334]
The heat transfer characteristics of liquid droplets are influenced by the hydrophobicity of the surfaces. Fluid properties and surface energy play important roles in heat transfer assessment. In the present study, the influence of the contact angle on the flow field developed inside a nanofluid droplet consisting of a mixture of water and carbon nanotubes (CNT) is investigated. Flow field and heat transfer characteristics are simulated numerically in line with the experimental conditions. It is found that the flow velocity predicted numerically is in good agreement with the experimental data. Nusselt and Bond numbers increase at large contact angles and Marangoni force dominates over buoyancy force.
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