Weissinger and Maass 



149. Hough, G.R., "The Aerodynamic Loading on Steamlined Ducted Bodies," 

 THERM, Inc., TAR-TR 625 (Dec. 1962); see also, Proceedings of the 

 Eighth Midwestern Mechanics Conference, Cleveland, Ohio, April 1-3, 

 1963, "Developments in Mechanics," Pergamom Press, pp. 340-357, 1965 



150. Hough, G.R., "Ducted Propeller Performance Calculations for X-22A 

 VTOL Research Aircraft," THERM, Inc., TAR-TR 634 (Aug. 1963) 



151. Kaskel, A.L., Ordway, D.E., Hough, G.R., and Ritter, A., "A Detailed Nu- 

 merical Evaluation of Shroud Performance for Finite-Bladed Ducted Pro- 

 pellers," THERM, Inc., TAR-TR 639 (Dec. 1963) 



152. Hough, G.R., and Ordway, D.E., "The Generalized Actuator Disk," THERM, 

 INC., TAR-TR 6401 (Jan. 1964); see also. Proceedings of the Second 

 Southeastern Conference on Theoretical and Applied Mechanics, Atlanta, 

 Georgia, March 5-6, 1964, "Developments in Theoretical and Applied Me- 

 chanics," Vol. n, Pergamom Press, pp. 317-336, 1965 



153. Greenberg, M.D., and Ordway, D.E., "The Ducted Propeller in Static and 

 Low-Speed Flight," THERM, Inc., TAR-TR 6407 (Oct. 1964); see also, 

 "Low-Speed Aerodynamics of the Ducted Propeller," Zietschrift fur Flug- 

 wissenschaften (May 1965) 



154. Hough, G.R., and Ordway, D.E., "The Steady Velocity Field of a Propeller 

 with Constant Circulation Distribution," J. Am. Helicopter Soc, Vol. 10 

 (April 1965), pp. 27-28 



155. Ordway, D.E., "Summary of Recent Ducted Propeller Developments at 

 TAR, Inc.," Comments made at Discussion Session on Aerodynamics of 

 Ducted Propellers, CAST Annual General Meeting, Vancouver, Canada, 

 May 17 and 18, 1965 



156. Kaskel, A.L., and Greenberg, M.D., "A Detailed Numerical Evaluation of 

 Shroud Performance for Finite Bladed Ducted Propellers, Addendum: 

 Computation of Shroud-Induced Axial Velocity," THERM, Inc., TAR-TR 

 6508 (Oct. 1965) 



157. Greenberg, M.D., Ordway, D.E., and Lo, C.F., "A Three -Dimensional 

 Theory for the Ducted Propeller at Angle of Attack," THERM, Inc., 

 TAR-TR 6509 (Dec. 1965) 



158. Hough, G.R., and Kaskel, A.L., "A Comparison of Ducted Propeller The- 

 ory with Bell X-22A Experimental Data," THERM, Inc., TAR-TR 6510 

 (Oct. 1965) 



Publications from VIDYA 



159. Kriebel, A.R., Sacks, A.H., and Neilsen, J.N., "Theoretical Investigation 

 of Dynamic Stability Derivatives of Ducted Propellers," Vidya Research 

 and Development, Palo Alto, Calif., Vidya-Report No. 63-95 (1963) 



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