Study and Application of Hemispheric Cavities for Surface Heat Transfer Augmentation | Zendy

Andrey Schukin | Zendy; А. П. Козлов | Zendy; R. S. Agachev | Zendy

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Study and Application of Hemispheric Cavities for Surface Heat Transfer Augmentation

Author(s) -

Andrey Schukin,

А. П. Козлов,

R. S. Agachev

Publication year - 1995

Publication title -

volume 3: heat transfer; electric power; industrial and cogeneration

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1115/95-gt-059

Subject(s) - heat transfer , convective heat transfer , airfoil , mechanics , turbulence , materials science , flow (mathematics) , gas turbines , mechanical engineering , fabrication , convection , simplicity , churchill–bernstein equation , engineering , physics , nusselt number , reynolds number , medicine , alternative medicine , pathology , quantum mechanics

Results of experimental study of heat transfer and flow phenomena associated with application of hemispheric cavities to augment convective heat transfer are presented. Study is performed for different geometries and various flow parameters, including turbulence. Experimental correlations for the curved surfaces applicable to gas turbine internal airfoil cooling are obtained and analyzed for both heat transfer and pressure losses. Effectiveness of the augmentation technique, considering a simplicity of fabrication process, is emphasized.

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