CONVECTIVE HEAT TRANSFER COEFFICIENT FOR TURBULENT FLOW IN A POROUS MEDIUM FORMED BY AN ARRAY OF SQUARE RODS

Authors

  • M.B. SAITO
  • M.J.S. DE LEMOS

Abstract

INTERFACIAL CONVECTIVE HEAT TRANSFER COE±CIENT IS CALCULATED FOR TURBULENT FLOW IN A POROUS MEDIUM FORMED BY SQUARE RODS. SUCH INFORMATION IS NEEDED FOR TURBULENT HEAT TRANSPORT MODELING IN POROUS MEDIA WHEN LOCAL THERMAL NON-EQUILIBRIUM IS CONSIDERED. THE MODEL CONSIDERS °UID °OWING THROUGH A PACKED BED WITH ARBITRARY BED TEMPERATURE. THIS ADJUSTMENT IS OBTAINED BY SOLVING THE MICROSCOPIC °OW GOVERNING EQUATIONS, USING HIGH REYNOLDS FORMULATION AND PERIODIC BOUNDARY CONDITIONS. THE NUMERICAL METHODOLOGY EMPLOYED IS BASED ON THE CONTROL-VOLUME APPROACH WITH A BOUNDARY-¯TTED NON-ORTHOGONAL COORDINATE SYSTEM. THIS WORK INTENDS TO OBTAIN FUNCTIONAL RELATIONSHIPS FOR THE INTERFACIAL CONVECTIVE HEAT TRANSFER COE±CIENT FOR TURBULENT LOW IN PACKED BEDS.

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Published

2005-12-01

Issue

Vol. 2 No. 4 (2005)

Section

Articles

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