Supersonic external-compression diffuser and method for designing same

Supersonic external-compression diffuser and method for designing same

  • CN 1,384,794 A
  • Filed: 08/09/2000
  • Published: 12/11/2002
  • Est. Priority Date: 08/25/1999
  • Status: Active Grant
First Claim
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1. external pressurized supersonic inlet comprises:

  • The hyprsonic pressures partially, it is used to spread the hyprsonic free jet, and this hyprsonic pressures partially comprises having leading edge and at the main wall of the throat in leading edge downstream;

    The hyprsonic pressures partially has on the opposed lateral margin that is engaged in main wall so that form the sidepiece of the structure of spoon shape substantially;

    Main wall has inside face, and it forms the circumferential extendible portion of rotary surface substantially, and the described inside face of main wall and the inside face of each sidepiece are collaborative and form three-dimensional external pressurized surface;

    AndThe subsonic diffuser part, it is arranged to receive air-flow and described air-flow is diffused into the subsonic situation from the hyprsonic pressures partially, the subsonic diffuser part is made of the fairing that is configured as closes ducts, this fairing has leading edge fairing lip limit, it separates with the throat portion of main wall on the traversed by air flow line, so that the aditus laryngis of supersonic inlet is formed between fairing and the described throat near the fairing lip limit, and fairing has the discharge end that separates with described aditus laryngis downstream.

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