Experiments on forced convection form a horizontal heated plate in a packed bed of glass spheres
- Univ. of Wisconsin, Milwaukee (USA)
- Univ. of Illinois, Chicago (USA)
This paper presents an experimental investigation of boundary-layer forced convective heat transfer from a flat isothermal plate in a packed bed of spheres. Extensive experimental results are reported for the thermal boundary-layer thickness, the temperature field, and the local wall heat flux (represented by the local Nusselt number). Theoretical findings of previous investigations using the Darcy flow model as well as a general model for themomentum equation accouting for flow inertia and macroscopic shear wtih and without variable porosity are used to evaluate the theoretical models. Several trends are revealed regarding the conditions of validity of these flow models. Overall the general flow model including variable porosity appears to perform better, even through the need for serious improvements in modeling becomes apparent.
- OSTI ID:
- 5323924
- Journal Information:
- Journal of Heat Transfer (Transcations of the ASME (American Society of Mechanical Engineers), Series C); (United States), Journal Name: Journal of Heat Transfer (Transcations of the ASME (American Society of Mechanical Engineers), Series C); (United States) Vol. 111:1; ISSN 0022-1481; ISSN JHTRA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420400* -- Engineering-- Heat Transfer & Fluid Flow
CATALYTIC CONVERTERS
CONVECTION
ENERGY TRANSFER
EQUIPMENT
FILTERS
FORCED CONVECTION
GEOTHERMAL SYSTEMS
HEAT EXCHANGERS
HEAT TRANSFER
MASS TRANSFER
MATERIALS
MATHEMATICAL MODELS
OIL WELLS
PACKED BED
PLATES
POLLUTION CONTROL EQUIPMENT
POROUS MATERIALS
THERMAL INSULATION
WELLS