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Forced Convection with Counterflow in a Circular Tube Occupied by a Porous Medium

Volume 12, Issue 7, 2009, pp. 657-666
DOI: 10.1615/JPorMedia.v12.i7.40
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ABSTRACT

An analytical solution is obtained for forced convection with counterflow in the core and sheath of a circular tube occupied by a saturated porous medium. The Brinkman model is employed for the porous medium. It is found that the effect of counterflow (in contrast to flow in one direction) is to reduce the value of the Nusselt number for large values of the core-sheath coordinate ξ, but to increase it for small values of ξ. In particular, Nu takes a zero minimum value when the mean velocity is zero.

CITED BY
  1. Nield Donald A., Bejan Adrian, Heat Transfer Through a Porous Medium, in Convection in Porous Media, 2017. Crossref

  2. Nield Donald A., Bejan Adrian, Forced Convection, in Convection in Porous Media, 2017. Crossref

  3. Nield Donald A., Bejan Adrian, Heat Transfer Through a Porous Medium, in Convection in Porous Media, 2013. Crossref

  4. Kuznetsov A. V., Nield D. A., Forced Convection with Laminar Pulsating Counterflow in a Saturated Porous Circular Tube, Transport in Porous Media, 77, 3, 2009. Crossref

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