| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
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| Research Abstract |
For natural-convection boundary layers from laminar toturbulence, the essential heat transfer characteristics have been explored with numerical analyses and experiments. Accordingly, it is found that the transition to turbulence is promoted by adding a mean flow in the direction to the gravity and high local heat transfer rates are maintained over the wide range of the boundary layer. Also, marked increases of local heat transfer rates originated from the generation of longitudinal vortex motions are observed by inserting split inclined plates into the boundary layer both for laminar and turbulence. Thus, the heat transfer enhancements of naturalconvection boundary layers are established.
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