期刊
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
卷 35, 期 1, 页码 171-177出版社
KOREAN SOC MECHANICAL ENGINEERS
DOI: 10.1007/s12206-020-1216-y
关键词
Non-parallel plates; Nanofluid flow; Optimal homotopy asymptotic method (OHAM); Skin friction coefficient; Nusselt number
This study explores the heat transfer of nanofluid flow in a channel with non-parallel walls, using Cu and Ag nanoparticles with water as the base fluid. Equations governing the flow are obtained through a similarity transform and solved using OHAM, ensuring rapid convergence of the solution. Comparative analysis validates the results presented regarding fluid velocity, temperature, skin friction coefficient, and Nusselt number.
The aim of the current investigation is to explore the heat transfer of nanofluid flow in a channel with non-parallel walls. Two different nanoparticles, namely, Cu and Ag, with water as the base fluid are considered. The equations governing the flow are obtained using an appropriate similarity transform and solved analytically with the optimal homotopy asymptotic method (OHAM). Here, OHAM was first used to solve the problem to ensure a much more rapid convergence of the solution only after one iteration, with high efficiency. Comparative analysis was carried out to ensure the authenticity of the results. The effects of the involved parameters on fluid velocity, temperature, skin friction coefficient, and Nusselt number are presented in graphical and tabular forms with comprehensive discussions in this paper.
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