Experimental Downwash Velocity, Static Pressure, and Temperature Distributions in Ground Effect for a 75‐Foot Jet Driven Rotor
The experimental results of measurements of downwash velocities, static pressures, and temperatures under a 75‐foot rotor operating in ground effect are presented. The data presented and conclusions drawn pertain particularly but not exclusively to high solidity rotors powered
by turbine engines and tip‐mounted pressure jets.The downwash flow patterns and temperature distributions under the rotor disc are discussed in terms of their effect on turbine air contamination, stability and control near the ground, safety for ground personnel, and general aircraft
operation.
Document Type: Research Article
Affiliations: McDonnell Aircraft Corporation, St. Louis, Missouri
Publication date: 01 April 1959
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