3.40. Referring to Fig. 3-32, determine (a) the force exerted by water on bottom plate AB of the 1-m-diameter Ans. 38.45 kN, 269 kN riser pipe and (b) the total force on plane C
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- 1. Hydrostatic Force on Plane Surface. An open rectangular tank is 7 m high and has a square base 5 m on a side. If the tank is half-filled with fresh water (density is 1000 kg/m'), determine (a) the total hydrostatic force on a vertical side, in kN and (b) the location of the center of pressure as measured from the liquid surface, in cm. Draw the side view of tank showing the hydrostatic force F and the distance, yp. Is I + Ad a. Magnitude: F = yh,A b.Direction: Perpendicular to the Area c. Location: y, === S.H.W2: The tank in Fig. is 40cm wide. Determine the hydrostatic forces on horizontal plan BC and AD? Fluid Mechanics I MSC. Enaš Hashim Abed Lecturer: 55 cm- 40cm - -10cm 35c Solvent, sg 0.84 Water 25c2m Water. 20°C 4m He. 20 3m H.W3 water in a tank is pressurized to 85cmHg as show in Fig. Determine the hydrostatic forces per meter width on panel AB? note: Ans: =501 KN
- A cubical tank is 3 m x 3 m x 3 m and is layered with1 meter of fl uid of specifi c gravity 1.0, 1 meter of fl uid withSG = 0.9, and 1 meter of fl uid with SG= 0.8. Neglectatmospheric pressure. Find ( a ) the hydrostatic force on thebottom and ( b ) the force on a side panel.Q2/A rectangular plate of AB 1.2 meter by 5-meter size is immersed in water. The plane of the plate is inclined at 45° with free water surface and the end of plate at(B) a depth of 5 meters from water surface. Find the total pressure on the plate and the position of center of pressure. Free water surface ho hp 5 m Hinge. 1.2 m 5m Fig. 3.33 G CGate AB in Fig. is a homogeneous mass of 180 kg,1.2 m wide into the paper, hinged at A , and resting on asmooth bottom at B . All fl uids are at 20 ° C. For what waterdepth h will the force at point B be zero?
- Q2/A rectangular plate of AB 1.2 meter by 5-meter size is immersed in water. The plane of the plate is inclined at 45° with free water surface and the end of plate at(B) a depth of 5 meters from water surface. Find the total pressure on the plate and the position of center of pressure. Free water surface ha he Hinge G C Fig. 3.33 1.2 m 5mAnswer the following. A: When the pressure of liquid is increased from 3.5 MN/m² to 6.5 MN/m² its volume is found to decrease by (0.08) percent. What is the bulk modulus of elasticity of the liquid? B: An open cylindrical tank (1.2m) in diameter and (1.8m) deep is filled with water and rotated about its central axis at (60 r.p.m). How much liquid is spill and how deep of the water at the central axis.Q2 Water rises to level E in the pipe attached to tank ABC D in Fig. 3-4. Neglecting the weight of the tank and riser pipe, (a) determine and locate the resultant force acting on area AB, which is 8 ft wide; (b) compute the total force on the bottom of the tank; and (c) compare the total weight of the water with the result in (b) and explain the difference. to 12 A = 1.0 fr? 6' IC 20' Fig. 3-4
- 1. A vertical plate is submerged in water. Find an integral expression that can be evaluated to deter- mine the hydrostatic force against one side of the plate. DO NOT EVALUATE THE INTEGRAL EXPRESSION. (For water, & = 62.5lb/ft³). 2ft 10ft 6ftH.W2: The tank in Fig. is 40cm wide. Determine the hydrostatic forces on horizontal plan BC and AD? 55 cm 40cm A -10cm 35c Solvent, sg=0.84 Water 25ci 2m Water. 20°C 4m Hg. 20 3m H.W3 water in a tank is pressurized to 85cmHg as show in Fig. Determine the hydrostatic forces per meter width on panel AB? note: Ans: =501 KN1- Panel BC in the figure is circular. Compute (a) the hydrostatic force of the water on the panel; (b) its center of pressure; and (c) the moment of this force about point B. Given and unknowns: Assumptions: Schematic: Governing Equation(s): Analysis and Results: Water at 20°C C 50° B 3 m 3 m 3 m