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Wind-Tunnel Performance Investigation of an Electric Medium-Sized Variable-RPM Rotor

Matthew Floros, DEVCOM-Army Research Laboratory
Radu Teodorescu, Peter Ryseck, Inderjit Chopra, University of Maryland

https://doi.org/10.4050/F-0079-2023-17966

Abstract:
This paper describes isolated rotor and fuselage testing in the Glenn L. Martin Wind Tunnel at the University of Maryland, College Park. The multi-part test included both steady and transient rotor testing and fuselage aerodynamics testing. A T-Motor 28x9.2 rotor was tested under steady conditions from hover to 35 m/sec wind speeds over a 180-degree range of flow angles from -90 degrees or axial climb to +90 degrees or axial descent. Four steady rotor speeds were tested, 1600, 2300, 3100, and 3900 RPM. Transient rotor data was collected at 15 m/sec tunnel speed with chirp inputs to rotor speed. The aerodynamics of a coaxial quadrotor unmanned aerial vehicle fuselage were also tested. Thrust and torque from the steady isolated rotor testing is presented as sweeps of rotor angle of attack at fixed wind tunnel speeds and sweeps of wind tunnel speed at fixed rotor angles of attack.


Wind-Tunnel Performance Investigation of an Electric Medium-Sized Variable-RPM Rotor

  • Presented at Forum 79
  • 11 pages
  • SKU # : F-0079-2023-17966
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Wind-Tunnel Performance Investigation of an Electric Medium-Sized Variable-RPM Rotor

Authors / Details:
Matthew Floros, DEVCOM-Army Research Laboratory
Radu Teodorescu, Peter Ryseck, Inderjit Chopra, University of Maryland