Hybrid nanofluids (HNF) are the advanced form of nanofluids used for improved heat transfer purposes. Taking this point in mind, the objective of the presented endeavor is to examine the Yamada–Ota HNF flow model comprising (gold–silver/engine oil) over a stretched cylindrical surface and a sheet (as a limiting case) in a permeable medium. The novelty of this research is the consideration of the surface-catalyzed reaction along with the homogeneous–heterogeneous reactions to accelerate the chemical reactions in the shortest possible time. The heat transport phenomenon is strengthened with the support of Joule heating, heat absorption/generation, and the convective heat boundary condition at the surface of the cylinder. The obtained ordinary differential equations are reduced from the partial differential equations using boundary layer theory and are numerically computed using the Keller box method. It is witnessed that for varied estimates of the magnetic parameter, the thermal profile enhances while the velocity field reduces. It is also noted that the fluid concentration is reduced when the surface-catalyzed parameter is enhanced. The validation of the envisioned model in a limiting case is also added to this investigation.

混合纳米流体 (HNF) 是用于改进传热目的的纳米流体的高级形式。考虑到这一点，所提出的努力的目的是检查 Yamada-Ota HNF 流动模型，该模型包括（金-银/机油）在拉伸圆柱表面和可渗透介质中的薄片（作为极限情况）。这项研究的新颖之处在于考虑了表面催化反应以及均相-多相反应，以在尽可能短的时间内加速化学反应。在焦耳加热、热吸收/产生和圆柱体表面的对流热边界条件的支持下，热传输现象得到加强。所获得的常微分方程使用边界层理论从偏微分方程简化，并使用凯勒盒方法进行数值计算。可以看出，对于磁参数的不同估计，热剖面增强而速度场减小。还注意到，当表面催化参数提高时，流体浓度降低。在极限情况下对设想模型的验证也被添加到该调查中。