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Using Pressure Sensitive Paint to Measure Aerodynamic Forces on a Rotor Blade in HoverThis report will present details of a Pressure Sensitive Paint (PSP) system for measuring global surface pressures on rotorcraft blades in hover at the Rotor Test Cell located in the 14- by 22-Foot Subsonic Tunnel complex at the NASA Langley Research Center. This work builds upon previous entries and focused on collecting measurements from the upper and lower surface simultaneously. From these results, normal force (F (sub z)) values can be obtained. To date, this is the first time that the Pressure Sensitive Paint technique has been used for these types of measurements on rotor blades. In addition, several areas of improvement have been identified and are currently being developed for future testing.
Document ID
20180007517
Acquisition Source
Langley Research Center
Document Type
Technical Memorandum (TM)
Authors
Watkins, Anthony Neal (NASA Langley Research Center Hampton, VA, United States)
Lipford, William E. (NASA Langley Research Center Hampton, VA, United States)
Goodman, Kyle Z. (Analytical Mechanics Associates, Inc. Hampton, VA, United States)
Crafton, Jim (Innovative Scientific Solutions, Inc. Dayton, OH, United States)
Stanfield, Scott (Innovative Scientific Solutions, Inc. Dayton, OH, United States)
Rogoschenkov, Nikolay (Innovative Scientific Solutions, Inc. Dayton, OH, United States)
Date Acquired
November 6, 2018
Publication Date
October 1, 2018
Subject Category
Aerodynamics
Report/Patent Number
NASA/TM-2018-220093
NF1676L-31309
L-20965
Funding Number(s)
WBS: WBS 664817.02.07.04.03.03
CONTRACT_GRANT: NNX14CL17P
Distribution Limits
Public
Copyright
Public Use Permitted.

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