Role of the importance of ‘Forchheimer term‿for visualization of natural convection in porous enclosures of various shapes
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- 作者：Debayan Dasa ; debayan8221@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Pratibha Biswala ; biswal.pratibha9@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Monisha Royb ; monisha.roy97@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Tanmay Basaka ; tanmay@iitm.ac.in" class="auth_mail" title="E-mail the corresponding author
- 关键词：Natural convection ; Porous media ; Darcy ; Brinkman ; Forchheimer ; Heatlines
- 刊名：International Journal of Heat and Mass Transfer
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：97
- 期：Complete
- 页码：1044-1068
- 全文大小：4865 K
文摘
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Darcy–Brinkman and Darcy–Brinkman–Forchheimer models are used.
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Competition between linear and quadratic drag terms is analyzed by heatline method.
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Effect of Forchheimer term on fluid and heat flow patterns is large for Prm < 0.7.
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Average Nusselt number and percentage error for two models are calculated.
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Error is higher for rhombic cavity at low Prm.