Resistance of Ships and Screw PropulsionMacmillan and Company, 1893 - 234 sider |
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Side
... VARIATION OF WAVE RESISTANCE . 45 16. RESULTS OF EXPERIMENTS ON WAVE RESISTANCE AND 48 APPROXIMATE LAWS 52 17. SIMPLIFICATION OF WAVE - RESISTANCE FORMULA . 56 18. INCREASE OF RESISTANCE IN SHALLOW WATER 58 19. SQUAT AND CHANGE OF TRIM ...
... VARIATION OF WAVE RESISTANCE . 45 16. RESULTS OF EXPERIMENTS ON WAVE RESISTANCE AND 48 APPROXIMATE LAWS 52 17. SIMPLIFICATION OF WAVE - RESISTANCE FORMULA . 56 18. INCREASE OF RESISTANCE IN SHALLOW WATER 58 19. SQUAT AND CHANGE OF TRIM ...
Side
... VARIATION OF PITCH , 186 2. STANDARD BLADE 3. STANDARD SLIP 4. DESIGN OF A PROPELLER 5. STRENGTH OF PROPELLER BLADES . TABLES · 194 198 201 . 208 222 CHAPTER I. RESISTANCE . § 1. Preliminary and Definitions . CONTENTS . ix.
... VARIATION OF PITCH , 186 2. STANDARD BLADE 3. STANDARD SLIP 4. DESIGN OF A PROPELLER 5. STRENGTH OF PROPELLER BLADES . TABLES · 194 198 201 . 208 222 CHAPTER I. RESISTANCE . § 1. Preliminary and Definitions . CONTENTS . ix.
Side 18
... matter of course . 2. The coefficient ƒ depends upon the nature of the fluid in which the surface is immersed . For small variations , as for change from fresh to salt water , ƒ varies directly 18 § 7 . RESISTANCE OF SHIPS .
... matter of course . 2. The coefficient ƒ depends upon the nature of the fluid in which the surface is immersed . For small variations , as for change from fresh to salt water , ƒ varies directly 18 § 7 . RESISTANCE OF SHIPS .
Side 40
... variations of pressure which must cause new changes of water level , pro- ducing a new wave system . It is evident , then , that a ship tends to originate two sepa rate wave systems , one forward and one aft Fig . 11 . — BOW WAVE SYSTEM ...
... variations of pressure which must cause new changes of water level , pro- ducing a new wave system . It is evident , then , that a ship tends to originate two sepa rate wave systems , one forward and one aft Fig . 11 . — BOW WAVE SYSTEM ...
Side 48
... variation of the unknown quantities . It was first given in a slightly different shape by the younger Froude . § 15. Laws of Variation of Wave Resistance . Let us inquire first into the connection between H , and H2 and the speed . We ...
... variation of the unknown quantities . It was first given in a slightly different shape by the younger Froude . § 15. Laws of Variation of Wave Resistance . Let us inquire first into the connection between H , and H2 and the speed . We ...
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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