Encyclopedia of Physical Science and Technology, Volume 2Academic Press, 1992 - Physical sciences |
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Page 247
... Convection ( Mixed Convection ) No Turbulence 0 Free Convection 3 SP - BPL Buoyant Production ( BPL ) of Turbulence Kinetic Energy ( TKE ) FIG . 10. Definition of free and forced convection as a function of shear production and buoyant ...
... Convection ( Mixed Convection ) No Turbulence 0 Free Convection 3 SP - BPL Buoyant Production ( BPL ) of Turbulence Kinetic Energy ( TKE ) FIG . 10. Definition of free and forced convection as a function of shear production and buoyant ...
Page 248
... Convection A practical method for discriminating be- tween free or forced convection is as follows . If and u . < 3w * U < 6w then the flow is in a state of free convection . The friction velocity u . will be defined later . In many ...
... Convection A practical method for discriminating be- tween free or forced convection is as follows . If and u . < 3w * U < 6w then the flow is in a state of free convection . The friction velocity u . will be defined later . In many ...
Page 256
... convection . Forced convection is often assumed to be ap- proximately valid even when the BPL term is nonzero , but is much smaller than the SP term . Although the transition from free to forced con- vection is not a sharp one , Fig ...
... convection . Forced convection is often assumed to be ap- proximately valid even when the BPL term is nonzero , but is much smaller than the SP term . Although the transition from free to forced con- vection is not a sharp one , Fig ...
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