TY - GEN
T1 - Effect of Reynolds numbers of 10,000 to 100,000 on rotor blades of small unmanned aerial vehicles
AU - Otsuka, Hikaru
AU - Nagatani, Keiji
N1 - Publisher Copyright:
© 2016, American Institute of Aeronautics and Astronautics Inc, AIAA. All rights reserved.
PY - 2016
Y1 - 2016
N2 - Small rotor performance is important for small multi-rotor unmanned aerial vehicles to extend their endurance and enhance their payload capacities. However, a detailed survey on small rotors has not been conducted, and the effect of changes in the Reynolds number from 104 to 105 on rotor performance is unclear. This study evaluated how the rotor hover performance of NACA 0012, NACA 6409, and flat plate-shaped blade rotors was affected by Reynolds number decreases for rotors from Reynolds numbers of 53,000 to 18,000. Furthermore, the performance of rotors with different numbers of blades was investigated in relation to the Reynolds number defined with a blade chord length maintaining constant rotor solidity. In this evaluation process, figure of merit was used to assess the hover performance. This experimental evaluation revealed a degradation trend of hover performance in the low Reynolds number region, and the potential of using three-blade rotors for small multi-rotor unmanned aerial vehicles was clarified.
AB - Small rotor performance is important for small multi-rotor unmanned aerial vehicles to extend their endurance and enhance their payload capacities. However, a detailed survey on small rotors has not been conducted, and the effect of changes in the Reynolds number from 104 to 105 on rotor performance is unclear. This study evaluated how the rotor hover performance of NACA 0012, NACA 6409, and flat plate-shaped blade rotors was affected by Reynolds number decreases for rotors from Reynolds numbers of 53,000 to 18,000. Furthermore, the performance of rotors with different numbers of blades was investigated in relation to the Reynolds number defined with a blade chord length maintaining constant rotor solidity. In this evaluation process, figure of merit was used to assess the hover performance. This experimental evaluation revealed a degradation trend of hover performance in the low Reynolds number region, and the potential of using three-blade rotors for small multi-rotor unmanned aerial vehicles was clarified.
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U2 - 10.2514/6.2016-3423
DO - 10.2514/6.2016-3423
M3 - Conference contribution
AN - SCOPUS:85067318843
SN - 9781624104374
T3 - 34th AIAA Applied Aerodynamics Conference
BT - 34th AIAA Applied Aerodynamics Conference
PB - American Institute of Aeronautics and Astronautics Inc, AIAA
T2 - 34th AIAA Applied Aerodynamics Conference, 2016
Y2 - 13 June 2016 through 17 June 2016
ER -