Studies of Flow Separation and Stalling on One- and Two-Element Airfoils at Low Speeds 770442
Research has been conducted on the nature of airfoil behavior at pre- and post-separated angles of attack. Detailed wind tunnel studies have been made of boundary layer and wake fields for the GA(W)-1 airfoil, and the airfoil with a 0.3 chord Fowler flap. Experimental data are compared with theoretical predictions from a multi-element viscous flow computer program. Theoretical predictions are reasonably accurate for unseparated flows, but have serious errors when separation is present. Some recent techniques for modeling post-separated flow behavior are discussed in light of the present experiments.
Citation: Seetharam, H. and Wentz, W., "Studies of Flow Separation and Stalling on One- and Two-Element Airfoils at Low Speeds," SAE Technical Paper 770442, 1977, https://doi.org/10.4271/770442. Download Citation
Author(s):
H. C. Seetharam, W. H. Wentz
Affiliated:
Wichita State University
Pages: 19
Event:
National Business Aircraft Meeting and Engineering Display
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
SAE 1977 Transactions-V86-A
Related Topics:
Wings
Wind tunnel tests
Flaps
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