Airfoil for high efficiency/high lift fan

Details Airfoil for high efficiency/high lift fan Airfoil for high efficiency/high lift fan

1985-10-15

1987-09-08

Garrett, Robert E.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416237, 416DIG2, 416243, 415DIG1, F04D 2508, F04D 2968

Patent

active

046920986

ABSTRACT:
Airfoil for vehicle fan which operates in low Reynolds number and varying turbulent conditions having a discontinuity formed on the suction surface thereof adjacent to its leading edge to trigger early formation of a laminar flow bubble so that sufficient suction surface remains downstream of the air bubble whereby air circumventing the bubble can reattach to the suction surface for sufficient pressure recovery for high lift and low drag performance.

REFERENCES:
patent: 1068946 (1913-07-01), Taylor
patent: 1361277 (1920-12-01), Mott
patent: 1467227 (1923-09-01), Capell
patent: 1933947 (1933-11-01), Weber
patent: 2283956 (1942-05-01), Smith
patent: 2406499 (1946-08-01), Jandasek
patent: 4329946 (1982-05-01), Longhouse
patent: 4408957 (1983-10-01), Kurzrock et al.
Journal of Engineering for Power, 4-1975, pp. 261-274.

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