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 cooling

The 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.

单词	film cooling
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 cooling The 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.
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