首页> 外文期刊>Journal of Thermal Science and Technology >The impacts of thermal radiation and viscous dissipation for the Falkner-Skan flow past a wedge in the presence of nanoparticles suspended in a viscous fluid
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The impacts of thermal radiation and viscous dissipation for the Falkner-Skan flow past a wedge in the presence of nanoparticles suspended in a viscous fluid

机译:当悬浮在粘性流体中的纳米粒子存在时,Falkner-Skan流经楔形物的热辐射和粘性耗散的影响

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The influences of thermal radiation and non -uniform heat source/sink in Falkner-Skan flow and heat transfer characteristics of nanofluids have been investigated. Three different types of nanoparticles, namely Copper, Cu , Alumina Al _(2)O _(3), and Titania TiO _(2) are considered by using water-based fluid with Prandtl number Pr = 6.2. The partial differential equations are transformed into the system of ordinary differential equations by applying similarity transformations which is then solved numerically. The result revealed that utilizing Cu -water nanofluid enhanced the heat transfer rate in comparison with Al _(2)O _(3) -water and TiO _(2) -water nanofluids. The heat transfer rate is significantly boosted with an increase in the radiation parameter. Further, the opposite trend is observed with an increase in source/sink parameters and Eckert number.
机译:研究了热辐射和非均匀热源/散热片对Falkner-Skan流动和纳米流体传热特性的影响。通过使用水基流体,考虑了三种不同类型的纳米粒子,即铜,Cu,氧化铝Al_(2)O_(3)和二氧化钛(2)。 Prandtl数 Pr = 6.2。通过应用相似变换将偏微分方程转换为常微分方程组,然后对其进行数值求解。结果显示,与 Al _(2) O _(3)-水和 TiO __(2)-水纳米流体相比,利用 Cu-水纳米流体可提高传热速率。 。随着辐射参数的增加,传热速率显着提高。此外,随着源/宿参数和Eckert数的增加,观察到相反的趋势。

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