Weissinger and Maass 



123. Maass, D., "Zur Theorie des Ringflugels bei ungleichformiger Anstrom- 

 ung," Diss. Techn. Hochschule Karlsruhe, 1967 



124. Weissinger, J., "Theorie des Tragflugels in exponentieller Scherstrom- 

 ung," to appear in Ing. Arch. 1968. Condensed from: Nonuniform steady 

 flow of an ideal fluid past airfoils. Part I: Report No. 515, Part E: Report 

 No. 536, Part HI: Report No. 571, Mathematics Research Center, U.S. 

 Army, Madison, Wisconsin (1964-1965) 



125. Bollheimer, L., "Ein Beitrag zur Theorie der Dusenpropeller," to appear 

 in Schiff stechnik. Vol. 15 (1968) 



Publications from NSRDC 



126. Chaplin, H.R., "Theory of the Annular Nozzle in Proximity to the Ground," 

 David Taylor Model Basin Report Aero 923 (July 1957) 



127. Chaplin, H.R., "Effect of Jet Mixing on the Annular Jet," David Taylor 

 Model Basin Report Aero 953 (Feb. 1959) 



128. Morgan, W.B., "Theory of Ducted Propeller with a Finite Number of 

 Blades," University of California, Institute of Engineering Research, 

 Berkeley (May 1961) 



129. Morgan, W.B., "Theory of the Annular Airfoil and Ducted Propeller," 

 Fourth Symposium on Naval Hydrodynamics (Aug. 1962) 



130. Chaplin, H.R., "A Method for Numerical Calculation of Slipstream Con- 

 traction of a Shrouded Impulse Disc in the Static Case with Application to 

 Other Axisymmetric Potential Flow Problems," David Taylor Model Basin 

 Report 1857 (June 1964) 



131. Morgan, W.B., and Caster, E.B., "Prediction of the Aerodynamic Charac- 

 teristics of Annular Airfoils," David Taylor Model Basin Report 1830 

 (Jan. 1965) 



132. Morgan, W.B., and Voigt, R.G., "The Inverse Problem of the Annular Air- 

 foil and Ducted Propeller," David Taylor Model Basin Report 2251 (Sept. 

 1966) 



133. Voigt, R.B., "On a Numerical Solution of an Integral Equation with Singu- 

 larities," Mathematics of Computation (Jan. 1966) 



134. Caster, E.G., "A Computer Program for Use in Designing Ducted Propel- 

 lers," Naval Ship Research and Development Center Report 2507 (Nov. 

 1967) 



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