| 释义 |
film cooling film cooling[′film ‚kül·iŋ] (thermodynamics) The cooling of a body or surface, such as the inner surface of a rocket combustion chamber, by maintaining a thin fluid layer over the affected area. film coolingThe injection of a coolant directly into a combustion chamber, usually through small orifices to provide a cooling film on the inner wall surface. When the coolant enters through the pores of a porous wall material, this is usually called sweat cooling or transpiration cooling. |