Computational investigation of tangential slot blowing on a generic chined forebody | Zendy

Roxana M. Agosta-Greenman | Zendy; Ken Gee | Zendy; Russell M. Cummings | Zendy; Lewis B. Schiff | Zendy

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Computational investigation of tangential slot blowing on a generic chined forebody

Author(s) -

Roxana M. Agosta-Greenman,

Ken Gee,

Russell M. Cummings,

Lewis B. Schiff

Publication year - 1995

Publication title -

journal of aircraft

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 94

eISSN - 1533-3868

pISSN - 0021-8669

DOI - 10.2514/3.46795

Subject(s) - angle of attack , mechanics , jet (fluid) , computational fluid dynamics , wind tunnel , reynolds number , surface (topology) , physics , aerodynamics , aerospace engineering , geometry , mathematics , turbulence , engineering

The effect of tangential slot blowing on the flowfield about a generic chined forebody at high angles of attack is investigated numerically using solutions of the thin-layer, Reynolds-averaged, Navier-Stokes equations. The effects of jet mass now ratios, angle of attack, and blowing slot location in the axial and circumferential directions are studied. The computed results compare well with available wind-tunnel experimental data. Computational results show that for a given mass now rate, the yawing moments generated by slot blowing increase as the body angle of attack increases. It is observed that greater changes in the yawing moments are produced by a slot located closest to the lip of the nose. Also, computational solutions show that inboard blowing across the top surface is more effective at generating yawing moments than blowing outboard from the bottom surface.

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