Aerodynamic and aeroacoustic performance of an isolated multicopter rotor during forward flight
The forward flight stage of multicopters accounts for a relatively large amount of flight time in
comparison with hovering, ascending, and descending conditions; therefore, understanding …
comparison with hovering, ascending, and descending conditions; therefore, understanding …
Aerodynamic shape optimization of an electric aircraft motor surface heat exchanger with conjugate heat transfer constraint
Electrified aircraft benefit from the versatile ways electric motors can be integrated with an
airframe. However, thermal management is needed to move waste heat out of the motors …
airframe. However, thermal management is needed to move waste heat out of the motors …
Aerodynamic and aeroacoustic investigations of multi-copter rotors with leading edge serrations during forward flight
Inspired by the silent flight of owl wings, this paper adopts leading edge (LE) serrations for
noise reduction of isolated multi-copter rotors. By choosing different serration parameters of …
noise reduction of isolated multi-copter rotors. By choosing different serration parameters of …
Noise reduction and aerodynamics of isolated multi-copter rotors with serrated trailing edges during forward flight
Inspired by owl wings, trailing edge (TE) serrations are adopted for noise reduction of multi-
copter rotors. By choosing different parameters of serrations, ie the height to wave-length …
copter rotors. By choosing different parameters of serrations, ie the height to wave-length …
Engineering method to estimate the blade loading of propellers in nonuniform flow
Advances in aerodynamic and propulsive efficiency of future aircraft can be achieved by
strategic installation of propellers near the airframe. This paper presents a robust and …
strategic installation of propellers near the airframe. This paper presents a robust and …
Propeller performance at large angle of attack applicable to compound helicopters
TCA Stokkermans, LLM Veldhuis - AIAA Journal, 2021 - arc.aiaa.org
An experimental dataset is presented of propeller performance in static condition and at low
subsonic airspeeds for various angles of attack up to 90 deg. Numerical investigation …
subsonic airspeeds for various angles of attack up to 90 deg. Numerical investigation …
Experimental study on noise reduction of a wavy multi-copter rotor
In order to alleviate rotor noise of multi-copters, a wavy rotor is modified from the baseline
(BL) rotor by shifting every other cross section toward the trailing edge. Utilizing balance and …
(BL) rotor by shifting every other cross section toward the trailing edge. Utilizing balance and …
Experimental investigation of over-the-wing propeller–boundary-layer interaction
This experimental study focuses on the aerodynamic interaction between an over-the-wing
(OTW) propeller and a wing boundary layer. An OTW propeller is positioned above the …
(OTW) propeller and a wing boundary layer. An OTW propeller is positioned above the …
The impact of electric machine and propeller coupling design on electrified aircraft noise and performance
View Video Presentation: https://doi. org/10.2514/6.2023-2133. vid Novel propulsion
systems have been studied in literature to reduce aircraft emissions with hydrogen or other …
systems have been studied in literature to reduce aircraft emissions with hydrogen or other …
Hysteresis effect on airfoil stall noise and flow field
Y. Yang, C. Li, S. Pröbsting, X. Liu, Y. Liu, EJG Arcondoulis; Hysteresis effect on airfoil stall
noise and flow field. Physics of Fluids 1 September 2023; 35 (9): 095101. https://doi …
noise and flow field. Physics of Fluids 1 September 2023; 35 (9): 095101. https://doi …