41 



REGULAR SERIES 



726. (cont.) 



Effects of Turbulence Stimulation on the Boundary Layer and 

 Resistance of a Ship Model as Detected by Hot Wires, by J. P. Breslin 

 and M.S. Macovsky. 6 pp., 3 figs. 



Experimentation to Develop Suitable Methods for Stimulating 

 Turbulent Plow about Ship Models, by R.B. Couch and W.B. Hinterthan. 

 n pp., 1 fig. 



A Study of Rods as Stimulators of Turbulence in Boundary Layers, 

 by M.S. Macovsky and J. P. Breslin. 7 pp., 3 figs. 



On the Acoustic Stimulation of Turbulence, by M. St. Denis. 7 pp., 

 2 figs. 



Prepared for American Towing Tank Conference. 



727. The Drag and Shape of Air Bubbles Moving in Liquids, by Benjamin 



Rosenberg. Sep 1950. 26 pp., 14 figs. 



728. Development of Wax Ship Model Manufacturing at the David Taylor Model 



Basin, by R.B. Couch. Aug IQ5O. 21 pp., l6 figs. Prepared for American 

 Towing Tank Conference. 



729. Skin Friction Resistance and the Effects of Surface Roughness, by P.H. 



Todd, Ph.D. Sep 1950. 15 PP- . 1 fig- Prepared for American Towing Tank 

 Conference. 



730. Introductory Remarks to Discussion on Scale Effect on Self Propulsion 



Factors, by R.B. Couch. Sep 1950- 6 pp. Prepared for American Towing Tank 

 Conference. 



731. Scale Effect on Self Propulsion Factors, by J.G. Hill. Sep 1950. 3 



pp. Prepared for American Towing Tank Conference. 



732. Comparative Cavitation Tests, by J.G. Hill. Sep 195O. 6 pp., 3 figs. 



Prepared for American Towing Tank Conference. 



