Download alleviation for the XV-15: Computations and experiments of flows around the wing

P. Kjellgren; A. Hassan; J. Sivasubramanian; L. Cullen; D. Cerchie; I. Wygnanski

doi:10.2514/6.2002-6007

Download alleviation for the XV-15: Computations and experiments of flows around the wing

P. Kjellgren, A. Hassan, J. Sivasubramanian, L. Cullen, D. Cerchie, I. Wygnanski

Aerospace and Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

8 Scopus citations

Abstract

Active flow control (AFC) studies are currently in progress at The University of Arizona utilizing both computational and experimental efforts aimed at optimizing the parameters affecting pressure drag. The wind tunnel tests and numerical models use existing tiltrotor airfoils as the test articles. Zero mass-flux oscillatory blowing through slots at various locations on the airfoil achieves significant reduction in download. Experimental data as well as numerical simulations using large eddy simulation (LES), Spalart-Allmaras turbulence model (FLUENT, CFL3D), and k-epsilon turbulence models are presented. In search of a higher performing design, a Kruger flap with an additional forcing slot was also analyzed. Moreover, the LES method was also used together with the numerical design optimization module of ANSYS.

Original language	English (US)
Title of host publication	2002 Biennial International Powered Lift Conference and Exhibit
Publisher	American Institute of Aeronautics and Astronautics Inc.
ISBN (Print)	9781624101090
DOIs	https://doi.org/10.2514/6.2002-6007
State	Published - 2002
Event	2002 Biennial International Powered Lift Conference and Exhibit 2002 - Williamsburg, VA, United States Duration: Nov 5 2002 → Nov 7 2002

Publication series

Name	2002 Biennial International Powered Lift Conference and Exhibit

Other

Other	2002 Biennial International Powered Lift Conference and Exhibit 2002
Country/Territory	United States
City	Williamsburg, VA
Period	11/5/02 → 11/7/02

ASJC Scopus subject areas

Aerospace Engineering
Control and Systems Engineering

Access to Document

10.2514/6.2002-6007

Cite this

Kjellgren, P., Hassan, A., Sivasubramanian, J., Cullen, L., Cerchie, D., & Wygnanski, I. (2002). Download alleviation for the XV-15: Computations and experiments of flows around the wing. In 2002 Biennial International Powered Lift Conference and Exhibit (2002 Biennial International Powered Lift Conference and Exhibit). American Institute of Aeronautics and Astronautics Inc.. https://doi.org/10.2514/6.2002-6007

Download alleviation for the XV-15: Computations and experiments of flows around the wing. / Kjellgren, P.; Hassan, A.; Sivasubramanian, J. et al.
2002 Biennial International Powered Lift Conference and Exhibit. American Institute of Aeronautics and Astronautics Inc., 2002. (2002 Biennial International Powered Lift Conference and Exhibit).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kjellgren, P, Hassan, A, Sivasubramanian, J, Cullen, L, Cerchie, D & Wygnanski, I 2002, Download alleviation for the XV-15: Computations and experiments of flows around the wing. in 2002 Biennial International Powered Lift Conference and Exhibit. 2002 Biennial International Powered Lift Conference and Exhibit, American Institute of Aeronautics and Astronautics Inc., 2002 Biennial International Powered Lift Conference and Exhibit 2002, Williamsburg, VA, United States, 11/5/02. https://doi.org/10.2514/6.2002-6007

Kjellgren P, Hassan A, Sivasubramanian J, Cullen L, Cerchie D, Wygnanski I. Download alleviation for the XV-15: Computations and experiments of flows around the wing. In 2002 Biennial International Powered Lift Conference and Exhibit. American Institute of Aeronautics and Astronautics Inc. 2002. (2002 Biennial International Powered Lift Conference and Exhibit). doi: 10.2514/6.2002-6007

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abstract = "Active flow control (AFC) studies are currently in progress at The University of Arizona utilizing both computational and experimental efforts aimed at optimizing the parameters affecting pressure drag. The wind tunnel tests and numerical models use existing tiltrotor airfoils as the test articles. Zero mass-flux oscillatory blowing through slots at various locations on the airfoil achieves significant reduction in download. Experimental data as well as numerical simulations using large eddy simulation (LES), Spalart-Allmaras turbulence model (FLUENT, CFL3D), and k-epsilon turbulence models are presented. In search of a higher performing design, a Kruger flap with an additional forcing slot was also analyzed. Moreover, the LES method was also used together with the numerical design optimization module of ANSYS.",

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Download alleviation for the XV-15: Computations and experiments of flows around the wing

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