1. A smoothly contoured nozzle with outlet diameter d2 is coupled to a straight pipe bymeans of flanges. Water flows in the straight pipe of diameter d₁, and the nozzledischarges to the atmosphere. Thepipe and nozzle are set in horizontal.Assume the fluid density p isconstant.Under steady flow conditions, theforce F is required to hold thenozzle in place. You may ignore anyeffects of viscosity.V1, POm,ind₁v2, P2dz$m,out(a) Build the mass balance for the control volume. Use d₁ and d₂ to express the outletvelocity, v2 by v₁ from the mass balance.aff of botoxsbundley lets sdt not concied muitnement add blinds(b) Find the outlet mass flowrate, Om,in and Om,out (c) Build the energy balance for the control volume. Find the pressure difference, P₁ - P2by using p, d₁, d2, and v₁.(d) Build the momentum balance for the control volume. Find the force exerted to thehand by using p, d1, d2, v1, v2, P1, and P2.

Answered: Image /qna-images/answer/34b5eee1-4e4c-462c-87a4-f922409211d7.jpg

Answered: 1. A smoothly contoured nozzle with…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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سنب Fluid mechanics
The fluid in the tank is water. Flow is steady state, incompressible and nonviscid. It is known that the pressure at point (1) is 41.5 kPa(gage). Determine the height x of the tank? 5-m 0.02-m diameter 0.03-m diameter | (1) 0.01-m diameter
A capillary tube of inside diameter 6 mm connects tan A and open container B, as shown in the Figure. The liquid in A, B, and capillary CD is water having a specific weight of 9780 N/m³ and viscosity of 0.0008 kg/(m-s). The pressure pa 34.5 kPa. Assume laminar flow. (a) Determine the head loss in the pipe in terms of the discharge Q. Ans: 11,0580 (b) Determine the discharge in L/s. Ans: 0.00787 (c) Determine the Reynolds Number. Ans: 2,079 1.4 m L = 4.3 m Container B PA Air 45 1 m Tank A
Q1: Derie an epressin for the shear stress at the pipe wall when an incompressible faid flows draugh a pipe wnder pressure. Use dinmsional ana)sis witk the following siguißcant parameters: pipe diameter D, flow velociy V, and vicenity and density p of the fuid. Q2: : Use dinensional analysis to derive as epression for the power develaped by an engine in terms of the torque T and rotartive speed u.
2. Oil of specific gravity of 0.90 is discharging through a 100 mm circular sharp edge orifice in the end of a 120mm pipe. The pressure head on the center line of the pipe just upstream from the orifice is 9m of oil, and discharges takes place into a closed tank in which the vapor pressure is - 20 kPa. Use C = 0.68 and Cv = 0.97. Compute the discharge. 120 mm pipe P = - 20 kPa 100 mm orifice
3. From d figure below, if the atmos. pressure is 770mm of Hg, fınd: a) Rm if the pressure at B is 797mm of Hg abs. b) If Rm=58mm, find the pres. at B in meters of water abs. Hg A Air Oil Sp. Gr. = 0.8 R. Water 750 mm 80 mmy +B 200 mm ....
The diameter of a pipe changes gradually from 6 inches at A to 18 inches at B. A is 15 ft lower than B. If the pressure at A is 10 lbs per square inch and at B, 7 lbs per square inch when there are 5.0 cubic ft per second flowing, determine: a. the direction of flow. b. the frictional loss between the two points B. If in Problem 1 the direction of flow is reversed, determine the pressure at A if all other factors, including the frictional loss, remain the same. C. In Problem 1, determine the diameter of pipe at B in order that the pressure at that point will also be 10 lbs per square inch, all other factors remaining constant. D. Determine the discharge in Problem 1, assuming no frictional loss, all other conditions remaining as stated. E. What would be the difference in pressure in pounds per square inch between A and B, Problem 1, if there were 6.2 cubic ft per second flowing, neglecting friction.
In the figure, in +he water 0,1M -(2) Alow in the T-shapped pipe inthe horizental plane, の3m the flow velocityinthe Ist section 1s v, 4MIS, +he relative pressure is pi = 3 kg lkm? Find the X andy components of the force that the fluid acts on the T- pipe segmant, the ossiming Alow at fluid ideal if the 2nd cross Section Vz =4mls %3D
Correct solution.
(4) Consider that we have a horizentral pipe, like shown in the sketh, which is carrying in this case, cooling water at 10 °C. The elevation of the big tank of cooling water is 100 m, the elevation of the center line of the pipe is 20 m, the length of the pipe is 2000 m. Head loss in the pipe is 0. 07 L / D) V? H. D=20 cm, the rate of flow is 0.0 a=1 ase calculate the 2g pressure in the pipe. Elevation = 100 m Elevation = 20 m L=2000 m %3D II ||
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