Flow and thermal field features of microchannel heat sink driven by hybrid nanofluid are portrayed in this study. Porous media approach is employed to examine the thermal distribution in extended surface and $Cu:\gamma -ALOOH/Water$. Hybrid mixture of nano sized Copper and Boehmite alumina particles are considered to cool the microchannel heat sink. The mathematical expressions are solved numerically via Fourth Fifth order Runge Kutta Fehlberg scheme. The consequences of solid volume fraction of hybrid nanoparticle, porosity and Darcy number on flow field, temperature of fin section and $Cu:\gamma -ALOOH/Water$ are displayed through graphs. Flow velocity of the hybrid nanofluid is reduced with the addition of hybrid particles with concentration $1-3\%$. It is emphasized that on augmenting nanoparticle volume fraction of hybrid mixtures the temperature profile declines for both cases. Also, heat liberated is transferred into the ambience due to Brownian motion of the nanoparticles resulting better heat transfer.

在这项研究中描绘了由混合纳米流体驱动的微通道散热器的流动和热场特征。多孔介质方法用于检查扩展表面中的热分布和$Cü：\gamma -\mathrm{一种}\mathrm{大号}ØØH/\mathrm{w\; ^}\mathrm{一种}ŤË\mathrm{[R}$。纳米级铜和勃姆石氧化铝颗粒的混合混合物被认为可以冷却微通道散热器。数学表达式通过四阶五阶Runge Kutta Fehlberg方案进行数值求解。杂化纳米颗粒的固体体积分数，孔隙率和达西数对流场，翅片截面温度和温度的影响$Cü：\gamma -\mathrm{一种}\mathrm{大号}ØØH/\mathrm{w\; ^}\mathrm{一种}ŤË\mathrm{[R}$通过图形显示。杂化纳米流体的流速随着浓度增加的杂化颗粒的添加而降低$\mathrm{1个}-3％$。要强调的是，在两种情况下，随着增加混合混合物的纳米颗粒体积分数，温度分布均下降。而且，由于纳米颗粒的布朗运动，释放的热被传递到环境中，从而导致更好的热传递。