ISSN Online: 2377-424X
ISBN Print: 0-85295-345-3
International Heat Transfer Conference 10
HEAT TRANSFER ON THE SURFACE OF LONGITUDINALLY STREAMLINED BODIES IN THE PRESENCE OF CLOSED SEPARATION AND EXTERNAL FLOW TURBULIZATION
Resumo
Heat transfer of a longitudinally streamlined plate
with a closed separation at its entrance section caused by
changes in the inlet edge configuration was studied
experimentally as affected by external flow turbulization.
The turbulence degree along the plate changed from 12 to 6 %. The velocity and temperature turbulence characteristics within a boundary layer and in the external flow were determined by the hot-wire method.
The inlet edge configuration affects the location of the reattachment point as well as the heat transfer intensity all over the plate surface.
The external turbulence effect was determined as applied to the length of the separated bubble, heat transfer intensity in it, in the reattachment and relaxation regions. Methods are suggested for calculation of heat transfer in the mentioned surface regions.
The turbulence degree along the plate changed from 12 to 6 %. The velocity and temperature turbulence characteristics within a boundary layer and in the external flow were determined by the hot-wire method.
The inlet edge configuration affects the location of the reattachment point as well as the heat transfer intensity all over the plate surface.
The external turbulence effect was determined as applied to the length of the separated bubble, heat transfer intensity in it, in the reattachment and relaxation regions. Methods are suggested for calculation of heat transfer in the mentioned surface regions.