267 



Carderock, MD., U.S.A. 



DTNSRDC TOWING BASIN, DEEP WATER 



Ship Performance Department 



David Taylor Naval Ship R&D Center (DTNSRDC) 



"Big Science" Descriptor : Surface ship/submarine resistance, propulsion, 

 seakeeplng, stability, and control characterizations 



Description of Facility/Instrument : Concrete fresh water basin 1886 

 feet long, 51 feet wide, and 22 feet deep with a pneumatic wave- 

 maker capable of generating waves up to 2 feet high and 40 feet 

 long. A towing carriage operates over the basin on tracks at 

 speeds up to 20 knots. Typical tests performed on this facility 

 Include: resistance and self-propulsion In calm water; open 

 water propeller characterizations; seakeeplng and propulsion 

 evaluations In head or following waves; unsteady propeller blade 

 force measurements; wake surveys; knot-meter calibrations under 

 simulated dynamic conditions; vertical and horizontal planar 

 motion experiment; hydrodynamlc forces on submerged bodies, foils, 

 etc.; towed body experiments. 



Date of Construction : 1947 



Construction Cost : Original : $6 million 



1984 $$ : $30 million 



Present International Cooperation 



Nationallty(s) of Ownership : U.S. 

 Natlonality(s) of Operational Funding : U.S. 

 Natlonality(s) of Management Staff : U.S. 

 Nationallty(s) of Researchers : U.S. 



Potential for Future International Cooperation : Excellent 



Other Information : The Center's Ship Performance Department partici- 

 pates on a continuing basis in activities with the International 

 Towing Tank Conference, American Towing Tank Conference, Inter- 

 national Exchange Program (ABC-17 Ship Hydrodynamics), NATO Ex- 

 change Program, NSMB Co-op Research Program, and miscellaneous 

 experimental work for various foreign companies and governments. 



