Abstract
An experimental study of the effectiveness of film cooling following secondary air injection through a porous section into a turbulent free stream is presented. Boundary-layer velocity and temperature profiles are described. The adiabatic -wall temperatures are presented in terms of the film-cooling effectiveness. The effects of varying the secondary air temperature, the blowing rate, and the free-stream velocity are studied. It is found that the protection given to a surface downstream of a porous section through which air is injected compares favorably to earlier studies where the secondary air was injected nearly tangential to the surface.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 353-359 |
| Number of pages | 7 |
| Journal | Journal of Heat Transfer |
| Volume | 87 |
| Issue number | 3 |
| DOIs | |
| State | Published - Jan 1 1965 |
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