Numerical study on flow control of high altitude propeller

DOI

10.2991/iceep-17.2017.201How to use a DOI?

Keywords

Numerical study, low Reynolds number, flow control

Abstract

This paper establishes the stratosphere propeller geometry model, using Pointwise software to generate grid structured grid. The flow field of the propeller at the altitude of H=20km in different wind speed and different rotate speed are simulated using the software FLUENT. The SST turbulence model and Gamma-Theta transition model are employed in the solver. Numerical calculations show that the Gamma-Theta transition model can accurately simulate the flow around the propeller at low Reynolds number, capture the laminar separation bubble on the blade surface, and calculate the aerodynamic characteristics of the propeller at higher altitude precisely. The suction control is applied to the active flow control of the propeller at low Reynolds number, and a preliminary numerical study is carried out. The numerical simulation results show that the suction control can improve the flow separation of the propeller surface to a certain extent, delay the separation bubble, expand the laminar flow region, improve the propeller under low Reynolds number aerodynamic characteristics, improve the efficiency of the propeller.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Shuili Ren
AU  - Peiqing Liu
AU  - Lichuan Ma
PY  - 2017/06
DA  - 2017/06
TI  - Numerical study on flow control of high altitude propeller
BT  - Proceedings of the 2017 6th International Conference on Energy and Environmental Protection (ICEEP 2017)
PB  - Atlantis Press
SP  - 1149
EP  - 1156
SN  - 2352-5401
UR  - https://doi.org/10.2991/iceep-17.2017.201
DO  - 10.2991/iceep-17.2017.201
ID  - Ren2017/06
ER  -