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Exergy transfer in a porous rectangular channel

Date

2009

Author

Kurtbaş, İrfan
Çelik, Nevin
Dinçer, İbrahim

Metadata

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Citation

Kurtbaş, İ., Çelik, N., Dinçer, İ. (2010). Exergy transfer in a porous rectangular channel. Energy, 35(1), 451-460.

Abstract

Present paper is performed to investigate the heat and exergy transfer characteristics of forced convection flow through a horizontal rectangular channel where open-cell metal foams of different pore densities such as 10, 20 and 30 PPI (per pore inches) were situated. All of the bounding walls of the channel are subjected to various uniform heat fluxes. The pressure drop and heat transfer characteristics are presented by two important parametric values, Nusselt number (NuH) and friction factor (f), as functions of Reynolds number (ReH) and the wall heat flux (q). The Reynolds number (ReH) based on the channel height of the rectangular channel is varied from 600 to 33 000, while the Grashof number (GrDh) ranged from approximately 105-107 depending on q. Based on the experimental data, new empirical correlations are constructed to link the NuH. The results of all cases are compared to that of the empty channel and the literature. It is found that the results are in good agreement with those cited in the references. The mean exergy transfer Nusselt number (Nue) based on the ReH, NuH, Pr and q for a rectangular channel with constant heat flux is presented and discussed. © 2009 Elsevier Ltd. All rights reserved.

Source

Energy

Volume

35

Issue

1

URI

https://doi.org/10.1016/j.energy.2009.10.011
https://hdl.handle.net/11491/898

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  • Makale Koleksiyonu
  • Scopus İndeksli Yayınlar Koleksiyonu
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