Theory of the Ducted Propeller—A Review 

 ■-- "Camber" distribution .;:;."• 



Contraction ratio of propeller slipstream 

 Angular velocity of propeller 



Induced by q, 7, g, . . . 



Due to camber, thickness ... 



Referring to body, wing 



At trailing edge ,-,;^ 



Referring to propeller, duct 



A bar (e.g., u) denotes the average of the limiting values at a jump discon- 

 tinuity. 



•'.^, ■ ,^ REFERENCES '; .,,' .' ■ ' ''.-'.,-. 



General 



1. Bagley, J.A., Kirby, N.B., and Mercer, J. P., "A Method of Calculating the 

 Velocity Distribution on Annular Airfoils in Incompressible Flow," Aero- 

 nautical Research Council Tech. Report R&M 3146 (1961) 



2. Barna, P.S., "Preliminary Aerodynamic Design Considerations of Axial 

 Flow Fans," Engineering Experiment Station, Auburn University, Auburn, 

 Alabama, Bulletin 50 (April 1965) 



3. Borisov, B.I., "Determination of the Profile of Least Resistance of an An- 

 nular Wing," Foreign Tech. Division, Translation 63-397 Wright -Patterson 

 Air Force Base, Ohio (June 1963) 



4. Breslin, J. P., and Odenbrett, C.L., "Blade Frequency Harmonic Content of 

 the Potential Wake of Single Screw Ships," Stevens Institute of Technology, 

 Davidson Laboratory, Report 956 (April 1963) 



5. Buehning, P.G., "On the Selection of Propeller Diameter and RPM for Opti- 

 mum Performance of Nozzle Propellers," Accurate Products Co., Hillside, 

 New Jersey, Misc. No. 1 (Nov. 1960) . ^ - 



6. Buehning, P.O., "Design of Nozzle Propellers," Accurate Products Co., 

 Hillside, New Jersey, Contract NONR-2812(00), Technical Report 31 (April 

 1967) 



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