6533b85ffe1ef96bd12c2401

RESEARCH PRODUCT

Natural convection heat transfer in a partially—or completely—partitioned vertical rectangular enclosure

Tassos G. KarayiannisMichele Ciofalo

subject

Fluid Flow and Transfer ProcessesMaterials scienceAspect ratioMechanical EngineeringEnclosureThermal boundary conditionsThermodynamicsNatural convection heat transferMechanicsRayleigh numberCondensed Matter PhysicsIsothermal processPhysics::Fluid DynamicsHeat transferPhysics::Chemical Physics

description

Abstract The effect of symmetric partitions protruding centrally from the end walls of a rectangular vertical enclosure on heat transfer rates is investigated numerically. The enclosure has opposite isothermal walls at different temperatures. The Rayleigh number is varied from 10 4 to 10 7 and the aspect ratio from 0.5 to 10. The thickness of the partitions is fixed and equal to one tenth of the width of the enclosure. Their non-dimensional length ( L / H ) is varied from 0 (non-partitioned enclosure) to 0.5 (two separate enclosures). The effect of different thermal boundary conditions at the end walls and at the partitions is included in the investigation.

https://doi.org/10.1016/0017-9310(91)90184-g