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Implementation of air injection into the turbulent boundary layer of aircraft wing using external pressurized flow

Implementation of air injection into the turbulent boundary layer of aircraft wing using external... Abstract The possibility of using the injection of air into the incompressible turbulent boundary layer of an axisymmetric wing through a finely perforated area provided on the wing surface was studied. The air blowing was implemented via the supply of external pressurized flow through a permeable leading edge of the wing. It is shown that, with the blowing section located on the “flat” side of the wing, only an insignificant reduction in airfoil drag could be achieved. Simultaneously, the data obtained show that there exists a possibility of raising the lift-drag ratio due to a more appropriate choice of blowing-section location in the rarefaction region of the flow. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Implementation of air injection into the turbulent boundary layer of aircraft wing using external pressurized flow

Thermophysics and Aeromechanics , Volume 24 (2): 11 – Mar 1, 2017

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Publisher
Springer Journals
Copyright
2017 Pleiades Publishing, Ltd.
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S0869864317020032
Publisher site
See Article on Publisher Site

Abstract

Abstract The possibility of using the injection of air into the incompressible turbulent boundary layer of an axisymmetric wing through a finely perforated area provided on the wing surface was studied. The air blowing was implemented via the supply of external pressurized flow through a permeable leading edge of the wing. It is shown that, with the blowing section located on the “flat” side of the wing, only an insignificant reduction in airfoil drag could be achieved. Simultaneously, the data obtained show that there exists a possibility of raising the lift-drag ratio due to a more appropriate choice of blowing-section location in the rarefaction region of the flow.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Mar 1, 2017

References