Natural convection in inclined rectangular porous enclosure with diathermal partition wall
Heat transfer in an unsteady natural convection within a fluid-saturated rectangular porous enclosure having vertical diathermal partition wall is studied for different inclination angles in this paper. The primary objective is to curtail the heat transfer rate across a differentially heated porous...
| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | English |
| Publicado: |
Applied Science Innovations Private Limited
2018-03-01
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| Series: | Carbon: Science and Technology |
| Subjects: | |
| Acceso en liña: | http://www.applied-science-innovations.com/cst-web-site/CST-10-1-2018/CST-304-10-1-2018-13-18.pdf |
| Summary: | Heat transfer in an unsteady natural convection within a fluid-saturated rectangular porous enclosure having vertical diathermal partition wall is studied for different inclination angles in this paper. The primary objective is to curtail the heat transfer rate across a differentially heated porous enclosure by aligning the diathermal partition vertically and to manifest the effect of inclination angle on the same. Governing equations are developed using Darcy's model and solved numerically by Successive Accelerated Replacement scheme and explicit scheme. Two cases are studied: enclosure with no partition and enclosure with vertical diathermal partition. For both the cases, fluid flow is analyzed by observing streamlines and isotherms while heat transfer is evaluated by calculating average Nusselt number. Numerical analysis is carried out for modified Rayleigh number 1000 and inclination angle 45˚, 0˚, and -45˚. It is found that employing the diathermal partition attenuates the heat transfer rate considerably. Negative inclination of enclosure showed higher attenuation of Nusselt number than enclosure with positive inclination |
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| ISSN: | 0974-0546 0974-0546 |