ram effect

noun

Definition of ram effect

plural

-s

  1. :  the compressing effect obtained by locating the entrance to an air-intake duct in an airplane in the air stream in such a manner as to take advantage of the relative velocity between the air intake and the air stream by increasing the static pressure in the system to aid in compressing the charge air or to maintain the flow of air through a cooling system

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to glide in or as if in an airplane

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