Bulk mean temperature in porous medium analysis

In this paper, a model for determining the bulk mean temperature in porous medium analysis is theoretically derived based on the spatial decompositions of velocity and temperature presented by Carbonell and Whitaker [11]. Then, we compare calculations from our model with numerical results obtained f...

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Bibliographic Details
Published in:International journal of heat and mass transfer 2004-12, Vol.47 (25), p.5603-5607
Main Authors: Jang, Seok Pil, Kim, Sung Jin, Choi, Stephen U.S.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat flow in porous media
Heat transfer
Heat transfer in inhomogeneous media, in porous media, and through interfaces
Physics
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Summary:In this paper, a model for determining the bulk mean temperature in porous medium analysis is theoretically derived based on the spatial decompositions of velocity and temperature presented by Carbonell and Whitaker [11]. Then, we compare calculations from our model with numerical results obtained from classical momen{not}tum and energy equations. This comparison shows that our proposed model accurately predicts the bulk mean temperature in porous medium analysis. In addition, we show that the previous model, which has been gener{not}ally used by many researchers, is invalid except for select cases and identify important parameters that bring about the difference between the proposed model and the previous model.
ISSN:0017-9310
1879-2189
DOI:10.1016/j.ijheatmasstransfer.2004.07.009