The Hover Research Facility, a new experimental facility, is designed to study the flowfields generated by hovering VTOL aircraft and helicopters. Water is used as the working medium because of its inherent advantages in flow visualization and laser Doppler velocimeter (LDV) measurements. Applications of the HRF include: (1) experimental investigation of twin-jet impingement flow with application to VTOL aircraft; (2) visualization of the flowfield around a fully contoured, model supersonic fighter/attack short-take-off and vertical landing (STOVL) aircraft; and (3) performance testing of a No Tail Rotor (NOTAR) helicopter in hover mode by use of a scaled model. Flow-visualization and quantitative LDV data on these experiments are presented.
Experimental Investigation of Hover Flowfields in Water at the McDonnell Douglas Research Laboratories
1987
10 pages
Report
No indication
English
Aerodynamics , Fluid Mechanics , Laboratory & Test Facility Design & Operation , Hovering , Flow fields , Aerodynamic lift , Flow visualization , Jet flow , Vertical takeoff aircraft , Helicopters , Short takeoff aircraft , Vertical landings , Supersonic aircraft , Water , Laser velocimeters , Scale models , NOTAR Helicopters , NATO Furnished , Component Reports
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