Accession Number : AD0653617

Title :   FLUERIC DIVERTER VALVE,

Corporate Author : HARRY DIAMOND LABS WASHINGTON D C

Personal Author(s) : Holmes,Allen B. ; Campagnuolo,Carl J.

Report Date : APR 1967

Pagination or Media Count : 33

Abstract : The experimental work leading to the development of a flueric diverter valve (FDV) is described. The work has shown that a gas flow can be controlled in a 'three-dimensional' aerodynamic valve that has no moving internal parts. In the Phase I effort, flow tests of various power nozzle configurations were completed, and a subscale model of the FDV was evaluated under simulated V/STOL operating conditions. A major objective is design of a unit of practicable size that will operate at subsonic and supersonic pressure ratios. In flow tests using cold gas at 0 to 45 psig, a subscale model of the FDV diverted 100 percent of the flow with the control orifice vented to atmosphere. The overall valving efficiency defined in terms of a thrust recovery factor for various nozzles (not optimized) typically measured 0.83. (Author)

Descriptors :   (*TURBOJET ENGINES, FLUID AMPLIFIERS), (*FLUID AMPLIFIERS, *VALVES), GAS FLOW, NOZZLE GAS FLOW, SIMULATION, MODEL TESTS, CONTROL SYSTEMS, FLUIDICS

Subject Categories : Fluidics and Fluerics
      Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE