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首页> 外文期刊>Journal of Heat Transfer >Forced Convection Boundary Layer Flow Past Nonisothermal Thin Needles in Nanofluids
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Forced Convection Boundary Layer Flow Past Nonisothermal Thin Needles in Nanofluids

机译：强制对流边界层流过纳米流体中的非等温薄针

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摘要

The classical problem of forced convection boundary layer flow and heat transfer past a needle with variable wall temperature using nanofluids is theoretically studied. The similarity equations are solved numerically for two types of metallic or nonmetallic, such as copper (Cu) and alumina (Al_2O_3) nanoparticles in the based fluid of water with the Prandtl number Pr = 7 to investigate the effect of the solid volume fraction parameter φ of the fluid and heat transfer characteristics. The skin friction coefficient, Nusselt number, and the velocity and temperature profiles are presented and discussed. It is found that the solid volume fraction affects the fluid flow and heat transfer characteristics.
机译：理论上研究了使用纳米流体强迫对流边界层流动和通过壁温可变的针传热的经典问题。对于水基流体中具有Prandtl数Pr = 7的两种金属或非金属粒子，例如铜（Cu）和氧化铝（Al_2O_3）纳米粒子，数值求解相似性方程，以研究固相体积分数参数φ的影响流体和传热特性。介绍并讨论了皮肤摩擦系数，Nusselt数以及速度和温度曲线。发现固体体积分数影响流体流动和传热特性。

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