Resistance of Ships and Screw Propulsion

absorbed actual ALFRED GEORGE GREENHILL approximate augmented surface block coefficients bow wave C₁ calculated cent centre cients Coeffi constant crest deduced denote determined DIMENSIONS OF SHIPS distance eddy resistance efficiency of propulsion element ELEMENTARY TREATISE engines experiments extreme diameter ratio face Figure fluid formula Froude hence hull IMPERIEUSE indicated horse-power initial friction knots Law of Comparison Length Beam load friction maximum efficiency Mean Draught mean effective pressure mean width ratio motion obtained P. G. TAIT peller plane pounds practical propeller blade quantities radius residuary resistance revolutions revolutions per minute SCALE screw SHAPES OF BLADE SHIPS FOR STANDARD skin friction slip angle solid speed in knots STANDARD CURVES stream line Suppose Table theory thrust deduction tion TONS transverse transverse waves TRIAL DISPLACEMENT trochoidal UMBRIA values variation varies velocity vessel wake factor wave resistance wave system wetted surface Whence William Froude Yorktown