非牛顿纳米流体流动中的滑动效应与热量生成对增强型传热设备的重要性

Olayinka Akeem Oladapo, A. Akindele, A. Obalalu, O. Ajala
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引用次数: 0

摘要

在工程学、纳米技术和生物医学科学等各个领域,对带有热量产生的非牛顿纳米流体流动的研究正变得越来越重要。然而,由于此类流动的复杂行为和流固界面的滑移效应,对其进行精确建模具有挑战性。本研究采用幂律模型描述流体的非牛顿行为,并采用数值方法求解所得方程,研究一阶和二阶滑移条件对非牛顿纳米流体的流动和传热特性的影响。为了确定滑移参数、布林克曼数、幂律指数和埃克特数等各种参数对速度、温度和浓度曲线的影响,本研究对这些参数进行了研究。研究表明,滑移参数极大地决定了非牛顿纳米流体的流动和传热特性,研究还揭示了滑移参数是了解纳米流体流动和传热特性的关键因素,二阶滑移条件比一阶滑移条件对速度和温度曲线的影响更大。这些发现对于开发和优化涉及非牛顿纳米流体的传热设备非常有价值,这对于当今工业的技术进步至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Important of Slip Effects in Non-Newtonian Nanofluid Flow with Heat Generation for Enhanced Heat Transfer Devices
In various fields such as engineering, nanotechnology, and biomedical sciences, the study of non-Newtonian nanofluid flow with heat generation is becoming increasingly important. However, it is challenging to accurately model such flows due to their complex behavior and slip effects at the fluid-solid interface. This research investigates the impact of first and second-order slip conditions on the flow and heat transfer properties of a non-Newtonian nanofluid using a power law model to describe the fluid's non-Newtonian behavior and numerical methods to solve the resulting equations. To determine the influence of various parameters such as slip parameters, Brinkman number, power law index, and Eckert number on the velocity, temperature, and concentration profiles, which this study examines. The study shows that slip parameters significantly determine the flow and heat transfer properties of non-Newtonian nanofluids, the study also reveals that slip parameters are a crucial factor in understanding the flow and heat transfer characteristics of nanofluids, with the second-order slip condition having a greater impact on velocity and temperature profiles than the first-order slip condition. These findings are valuable for developing and optimizing heat transfer devices that involve non-Newtonian nanofluids with heat generation, which is essential for technological advancements in today's industry.
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