MHD 混合纳米流体流过拉伸/收缩楔块时的热量产生/吸收影响

Q2 Mathematics CFD Letters Pub Date : 2024-01-23 DOI:10.37934/cfdl.16.6.146156
Nurul Amira Zainal, Iskandar Waini, Najiyah Safwa Khashi’ie, Roslinda Nazar, Ioan Pop
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引用次数: 0

摘要

热传递通常用于各种工业应用,包括造纸、电气设备冷却和新物质合成。因此,本研究旨在探讨热量产生/吸收对 Al2O3-Cu/H2O 混合纳米流体在可渗透的拉伸/收缩楔上的稳定磁流体动力(MHD)流动和热量传递的影响。通过使用相似性转换技术,混合纳米流体的控制方程被转换为相似性方程。利用 MATLAB 软件内置的 bvp4c 软件包对相似方程进行了数值求解。研究结果表明,与传统流体相比,混合纳米流体提高了热效率。在传热率方面,磁性参数从 0.00 增加到 0.10 和 0.15 分别提高了约 12.3% 和 18.8%。同时,随着发热参数的增加,热传导率降低,导致热系统效率低下。预计这项研究的结果将为该领域的科学家和研究人员的知识库做出贡献。
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MHD Hybrid Nanofluid Flow Past A Stretching/Shrinking Wedge With Heat Generation/Absorption Impact
Heat transfer is commonly utilized in diverse industrial applications, including the manufacturing of paper, the cooling of electrical devices, and the synthesis of new substances. Hence, this study aims to investigate the effect of heat generation/absorption on the steady magnetohydrodynamic (MHD) flow and heat transfer of Al2O3-Cu/H2O hybrid nanofluids over a permeable stretching/shrinking wedge. By using similarity transformation techniques, the governing equations of the hybrid nanofluids are transformed into similarity equations. The similarity equations are numerically solved using the MATLAB software's built-in bvp4c package. The findings show that hybrid nanofluids are seen to improve thermal efficiency in comparison to conventional fluid. In relation to heat transfer rate, the increase of magnetic parameters from 0.00 to 0.10 and 0.15 contributes approximately 12.3% and 18.8%, respectively. Meanwhile, as the heat generation parameter increases, the heat transfer rate decreases leading to an inefficient thermal system. The findings of this study are anticipated to contribute to the knowledge base of scientists and researchers in the field.
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来源期刊
CFD Letters
CFD Letters Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
3.40
自引率
0.00%
发文量
76
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