Calculations in Hydraulic Engineering: Fluid pressure, and the calculations of its effects in engineering structuresLongmans, Green, 1898 |
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Página 11
... axis OX or OY in Fig . 3 , will always be the arith- metical mean of the three ordinates measured from the same axis to the three corners A , B , Y and C. Thus to find the " centre of effort " of a cutter's jib , which is the same thing ...
... axis OX or OY in Fig . 3 , will always be the arith- metical mean of the three ordinates measured from the same axis to the three corners A , B , Y and C. Thus to find the " centre of effort " of a cutter's jib , which is the same thing ...
Página 13
... axis AB will be- pAy = pr3 = pds 12 The quadrant OBC in the same diagram will have its centre of gravity at the point G2 , whose co - ordinates measured from the axes OC and OB will evidently be- x = y = 4r = 0 : 4244 Зп while the area ...
... axis AB will be- pAy = pr3 = pds 12 The quadrant OBC in the same diagram will have its centre of gravity at the point G2 , whose co - ordinates measured from the axes OC and OB will evidently be- x = y = 4r = 0 : 4244 Зп while the area ...
Página 15
... axis of the trunk . We have therefore- CH = pS cos 0 = pbd sec 0 cos 0 = pbd In other words , the force by which the piston is impelled along the trunk in the direction of its axis , is independent of the angle 0 ; and is always equal ...
... axis of the trunk . We have therefore- CH = pS cos 0 = pbd sec 0 cos 0 = pbd In other words , the force by which the piston is impelled along the trunk in the direction of its axis , is independent of the angle 0 ; and is always equal ...
Página 25
... axis of each ellipse will be d tan and the area of each ellipse will be π 0 2 ' 0 2 ' d2 tan The displacing force in the direction OD will 4 0 therefore be 2pd2 tan ; or , if we write P for the quantity pd3 , we may express the ...
... axis of each ellipse will be d tan and the area of each ellipse will be π 0 2 ' 0 2 ' d2 tan The displacing force in the direction OD will 4 0 therefore be 2pd2 tan ; or , if we write P for the quantity pd3 , we may express the ...
Página 27
... axes KH and HG will each be equal to 0 d sin The displacing force will accordingly be― A N = 2P sin • 2 ( 4 ) Exactly the same result will , of course , be reached if we regard the cylindrical columns AB and BC as members of a fluid ...
... axes KH and HG will each be equal to 0 d sin The displacing force will accordingly be― A N = 2P sin • 2 ( 4 ) Exactly the same result will , of course , be reached if we regard the cylindrical columns AB and BC as members of a fluid ...
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Términos y frases comunes
annular axial fluid stress axial stress axis B₁ bending moment bending stresses bolts buoyant pressure calculated centre of action centre of buoyancy centre of gravity centre-line CHEMISTRY compressive stress Crown 8vo curvature curve of buoyancy cylinder denotes depth diagram of moments direction displacing force distance elastic engineering equal equilibrium example expansion joint external load feet flange floating fluid arch fluid pressure foot lineal girder horizontal hydraulic pressure hydrostatic hydrostatic pressure Illustrations inclined internal diameter length lifting force longitudinal stress mean head measured metacentre metacentric height metal moment of inertia ordinates P₁ P₂ parabolic pipe plane pontoon proportional quantity radius represent resistance right angles segmental side sketched in Fig socket square inch straight line stress Q surface tensile strength tensile stress thrust tons transverse triangle tube uniform uniformly distributed vertical component vertical force vessel water-line wedge weight
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