Fluid Mechanics Fundamentals And Applications
3rd Edition
ISBN: 9780073380322
Author: Yunus Cengel, John Cimbala
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 14, Problem 112P
To determine
The turbine specific speed in customary U.S unit.
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The cantilevered spandrel beam shown whose depth tapers from d1 to d2, has a constant width of 120mm. It carries a triangularly distributed end reaction.Given: d1 = 600 mm, d2 = 120 mm, L = 1 m, w = 100 kN/m1. Calculate the maximum flexural stress at the support, in kN-m.2. Determine the distance (m), from the free end, of the section with maximum flexural stress.3. Determine the maximum flexural stress in the beam, in MPa.ANSWERS: (1) 4.630 MPa; (2) 905.8688 m; (3) 4.65 MPa
CORRECT AND DETAILED SOLUTION WITH FBD ONLY. I WILL UPVOTE THANK YOU. CORRECT ANSWER IS ALREADY PROVIDED. I REALLY NEED FBD
A concrete wall retains water as shown. Assume that the wall is fixed at the base. Given: H = 3 m, t = 0.5m, Concrete unit weight = 23 kN/m3Unit weight of water = 9.81 kN/m3(Hint: The pressure of water is linearly increasing from the surface to the bottom with intensity 9.81d.)1. Find the maximum compressive stress (MPa) at the base of the wall if the water reaches the top.2. If the maximum compressive stress at the base of the wall is not to exceed 0.40 MPa, what is the maximum allowable depth(m) of the water?3. If the tensile stress at the base is zero, what is the maximum allowable depth (m) of the water?ANSWERS: (1) 1.13 MPa, (2) 2.0 m, (3) 1.20 m
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A short plate is attached to the center of the shaft as shown. The bottom of the shaft is fixed to the ground.Given: a = 75 mm, h = 125 mm, D = 38 mmP1 = 24 kN, P2 = 28 kN1. Calculate the maximum torsional stress in the shaft, in MPa.2. Calculate the maximum flexural stress in the shaft, in MPa.3. Calculate the maximum horizontal shear stress in the shaft, in MPa.ANSWERS: (1) 167.07 MPa; (2) 679.77 MPa; (3) 28.22 MPa
Chapter 14 Solutions
Fluid Mechanics Fundamentals And Applications
Ch. 14 - List at least two common examples of fans, of...Ch. 14 - What are the primary differences between fans,...Ch. 14 - Prob. 3CPCh. 14 - Explain why there is an “extra” term in the...Ch. 14 - Explain why there is an “extra” term in the...Ch. 14 - Prob. 6CPCh. 14 - Prob. 7CPCh. 14 - An air compressor increases the pressure (PoutPin)...Ch. 14 - Prob. 9PCh. 14 - Prob. 10CP
Ch. 14 - Prob. 11CPCh. 14 - Prob. 12CPCh. 14 - There are three main categories of dynamic pumps....Ch. 14 - Consider flow through a water pump. For each...Ch. 14 - Prob. 15CPCh. 14 - Prob. 16CPCh. 14 - Prob. 17CPCh. 14 - Prob. 18CPCh. 14 - Prob. 19CPCh. 14 - Prob. 20PCh. 14 - Prob. 21PCh. 14 - Prob. 22PCh. 14 - Consider the flow system sketched in Fig....Ch. 14 - Prob. 24PCh. 14 - Repeat Prob. 14-25, but with a rough pipe-pipe...Ch. 14 - The performance data for a centrifugal water pump...Ch. 14 - Suppose the pump of Probs. 14-29 and 14-30 is used...Ch. 14 - The performance data for a centrifugal water pump...Ch. 14 - Prob. 32PCh. 14 - Prob. 34PCh. 14 - The performance data of a water pump follow the...Ch. 14 - For the application at hand, the how rate of Prob....Ch. 14 - A water pump is used to pump water from one large...Ch. 14 - For the pump and piping system of Prob. 14-35E,...Ch. 14 - A water pump is used to pump water from one large...Ch. 14 - Calculate the volume flow rate between the...Ch. 14 - Comparing the resu1t of Probs. 14—43 and 14—47,the...Ch. 14 - Repeat Prob. 14—43, but neglect all minor losses....Ch. 14 - A local ventilation system (a hood and duct...Ch. 14 - The performance data for a centrifugal water pump...Ch. 14 - Transform each column of the pump performance data...Ch. 14 - A local ventilation system (a hood and duct...Ch. 14 - For the duct system and fan of Prob. 14—55E,...Ch. 14 - Repeat Prob. 14—55E. Ignoring all minor losses....Ch. 14 - 14-51 A local ventilation system (a hood and duct...Ch. 14 - The two-lobe rotary pump of Fig. P14-63E moves...Ch. 14 - Prob. 64EPCh. 14 - Prob. 65PCh. 14 - Prob. 66PCh. 14 - A centrifugal pump rotates at n=750rpm . Water...Ch. 14 - Prob. 68PCh. 14 - Suppose the pump of Prob. I 4—67 has some reverse...Ch. 14 - Prob. 70PCh. 14 - Prob. 71PCh. 14 - Prob. 72PCh. 14 - Prob. 73CPCh. 14 - Name and briefly describe the differences between...Ch. 14 - Discuss the meaning of reverse swirl in reaction...Ch. 14 - Prob. 76CPCh. 14 - Prob. 77PCh. 14 - Prob. 78PCh. 14 - Prob. 79PCh. 14 - Prob. 80PCh. 14 - Prob. 81PCh. 14 - Wind (=1.204kg/m3) blows through a HAWT wind...Ch. 14 - Prob. 83PCh. 14 - Prob. 85PCh. 14 - Prob. 86EPCh. 14 - Prob. 88PCh. 14 - Prob. 89PCh. 14 - Prob. 90EPCh. 14 - The average wind speed at a proposed HAWT wind...Ch. 14 - Prob. 92CPCh. 14 - Prob. 93CPCh. 14 - Discuss which dimensionless pump performance...Ch. 14 - Prob. 95PCh. 14 - Prob. 96PCh. 14 - Prob. 97PCh. 14 - Prob. 98PCh. 14 - Prob. 99PCh. 14 - Prob. 100PCh. 14 - Prob. 101PCh. 14 - Prob. 102PCh. 14 - Prob. 103PCh. 14 - Prob. 104PCh. 14 - Prob. 105PCh. 14 - Prob. 106PCh. 14 - Prob. 107PCh. 14 - Prob. 108PCh. 14 - Prob. 109PCh. 14 - Prob. 110PCh. 14 - Prob. 111PCh. 14 - Prob. 112PCh. 14 - Prob. 114PCh. 14 - Prob. 115PCh. 14 - Prove that the model turbine (Prob. 14—114) and...Ch. 14 - In Prob. 14—116, we scaled up the model turbine...Ch. 14 - Prob. 118PCh. 14 - Prob. 119PCh. 14 - Prob. 120PCh. 14 - For two dynamically similar pumps, manipulate the...Ch. 14 - Prob. 122PCh. 14 - Prob. 123PCh. 14 - Prob. 124PCh. 14 - Calculate and compare the turbine specific speed...Ch. 14 - Which turbomachine is designed to deliver a very...Ch. 14 - Prob. 127PCh. 14 - Prob. 128PCh. 14 - Prob. 129PCh. 14 - Prob. 130PCh. 14 - Prob. 131PCh. 14 - Prob. 132PCh. 14 - Prob. 133PCh. 14 - Prob. 134PCh. 14 - Prob. 135PCh. 14 - Prob. 136PCh. 14 - Prob. 137PCh. 14 - The snail-shaped casing of centrifugal pumps is...Ch. 14 - Prob. 139PCh. 14 - Prob. 140PCh. 14 - Prob. 141PCh. 14 - Prob. 142PCh. 14 - Prob. 143PCh. 14 - Prob. 144PCh. 14 - Prob. 145PCh. 14 - Prob. 146PCh. 14 - Prob. 147PCh. 14 - Prob. 148PCh. 14 - Prob. 149PCh. 14 - Prob. 150PCh. 14 - Prob. 151PCh. 14 - Prob. 152P
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- CORRECT AND DETAILED SOLUTION WITH FBD ONLY. I WILL UPVOTE THANK YOU. CORRECT ANSWER IS ALREADY PROVIDED. I REALLY NEED FBD. The roof truss shown carries roof loads, where P = 10 kN. The truss is consisting of circular arcs top andbottom chords with radii R + h and R, respectively.Given: h = 1.2 m, R = 10 m, s = 2 m.Allowable member stresses:Tension = 250 MPaCompression = 180 MPa1. If member KL has square section, determine the minimum dimension (mm).2. If member KL has circular section, determine the minimum diameter (mm).3. If member GH has circular section, determine the minimum diameter (mm).ANSWERS: (1) 31.73 mm; (2) 35.81 mm; (3) 18.49 mmarrow_forwardPROBLEM 3.23 3.23 Under normal operating condi- tions a motor exerts a torque of magnitude TF at F. The shafts are made of a steel for which the allowable shearing stress is 82 MPa and have diameters of dCDE=24 mm and dFGH = 20 mm. Knowing that rp = 165 mm and rg114 mm, deter- mine the largest torque TF which may be exerted at F. TF F rG- rp B CH TE Earrow_forward1. (16%) (a) If a ductile material fails under pure torsion, please explain the failure mode and describe the observed plane of failure. (b) Suppose a prismatic beam is subjected to equal and opposite couples as shown in Fig. 1. Please sketch the deformation and the stress distribution of the cross section. M M Fig. 1 (c) Describe the definition of the neutral axis. (d) Describe the definition of the modular ratio.arrow_forward
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