Accession Number : ADA141562

Title :   High Speed Ejectors.

Descriptive Note : Annual rept. 22 Mar 82-31 Mar 84,

Corporate Author : FLIGHT DYNAMICS RESEARCH CORP VAN NUYS CALIF

Personal Author(s) : Alperin,M

PDF Url : ADA141562

Report Date : 04 Apr 1984

Pagination or Media Count : 29

Abstract : A description of the test apparatus and some major experimental results are presented. The test apparatus is a pressurized test cell for simulation of translational motion by pressurization of the inlet flow to the corresponding stagnation pressure. The experiment consisted of measurement of the pressure distribution along the ejector surfaces and of the pressure, temperature and forces required to evaluate the mass flow, total forces and the ram drag. In addition, Schlieren photographs were taken at each test to observe the flow and in particular to illustrate the shock wave patterns. Combination of the pressure distribution and Schlieren photographs illustrate the successful achievement of second solution flows. Further tests are to be performed to illustrate the optimization of second solution performance and for comparison between theory and experiment. (Author)

Descriptors :   *Thrust augmentation, *Ejectors, *Thrusters, Jet mixing flow, Diffusers, Gas generator engines, Simulation, Pressure distribution, Stagnation pressure, Ramjet inlets, Test equipment, Turbofan engines

Subject Categories : Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE