Accession Number : ADD003395

Title :   Supersonic Diffuser.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Petty,James S

Report Date : 21 Dec 1976

Pagination or Media Count : 8

Abstract : The patent relates to a supersonic diffuser for use with a gas dynamic laser having a multichannel shock duct diffuser with outer duct walls and inner duct walls forming an inner duct channel and two other duct channels. A retractable wall is provided in each of the outer duct channels for closing off the outer ducts after diffuser start up wherein the gas wedges forward of the retractable walls together with the inner duct channel provide diffuser operation essentially the same as a conventional multiple shock diffuser. Retractable stablizer wedges are positioned slightly forward of the normal separation points.

Descriptors :   *Supersonic diffusers, *Gas dynamic lasers, *Patents, Shock waves, Supersonic flow, Stabilization

Subject Categories : Lasers and Masers
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE