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Nozzle Development for the Upper Surface - Blown Jet Flap on the YC-14 Airplane
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Abstract
A discussion of wing-nozzle configuration development for the application of upper surface blowing to a STOL airplane is presented. The technical challenge is to achieve an integrated system which provides the desired performance for the low speed design conditions and also results in efficient operation during cruise. The resulting configuration is a complete integration of the propulsion system and airplane aerodynamics to achieve efficient operation at all regimes. This paper examines the major design parameters to be considered, describes a number of the configurations tested, and presents static and wind tunnel test results for these configurations. Concluding remarks are made relative to USB nozzle development.
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Skavdahl, H., Wang, T., and Hirt, W., "Nozzle Development for the Upper Surface - Blown Jet Flap on the YC-14 Airplane," SAE Technical Paper 740469, 1974, https://doi.org/10.4271/740469.Also In
References
- Wimpress John K. “Upper Surface Blowing Technology as Applied to the YC-14 Airplane.” Paper 730916 SAE Aerospace Engineering and Manufacturing Meeting Los Angeles October 1973
- Swan Walter C. Sigalla A. “The Problem of Installing a Modern High Bypass Engine on a Twin Jet Transport Aircraft.” AGARD Technical Paper April 1973