Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780133494839
Author: Mott
Publisher: PEARSON
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Chapter 18, Problem 18.35PP
To determine
The plot of weight flow rate and internal pressure in the tire.
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A circular hydrostatic pad thrust bearing of a turbine generator is designed for a thrust load of 10kN. The outside diameter is 100mm and the diameter of recess is 40mm. A pump with constant feed rate of 10mm3/s is available.
a) Select the absolute viscosity of mineral oil such that film thickness does notdrop below 100 μm.b) Calculate the oil pressure in recess.c) Calculate the film stiffness.d) Assuming that the generator running at 750 rpm, calculate the frictional torqueabsorbed by the bearing.e) Calculate the power loss due to viscous friction and also due to pumping.
1.calculate the pressure in a hydraulic system if the pump delivers 180 liters /min, and the engine has a power capacity of 75kw.2.The engine has a given capacity of 60kw, calculate the power requirement in a hydraulic system tool , to know that the engine is capable to support the hydraulic system if a pump delivers 110 liters per minute and the pressure is 227bar.
If water at 180°F is flowing with a velocity of 4.50 ft/s in a standard 6-in Schedule 40pipe, calculate the weight flow rate in lb/h. Ans. 1.97x105lb/hr
please help need solution for this
Chapter 18 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 18 - A pipe in a compressed air system is carrying 2650...Ch. 18 - Prob. 18.2PPCh. 18 - Prob. 18.3PPCh. 18 - A duct in a heating system carries 8320 cfm....Ch. 18 - The velocity of flow in a ventilation duct is 1140...Ch. 18 - Prob. 18.6PPCh. 18 - Prob. 18.7PPCh. 18 - Prob. 18.8PPCh. 18 - Prob. 18.9PPCh. 18 - Prob. 18.10PP
Ch. 18 - Prob. 18.11PPCh. 18 - Describe a centrifugal fan with forward-curved...Ch. 18 - Prob. 18.13PPCh. 18 - Prob. 18.14PPCh. 18 - Name four types of positive-displacement...Ch. 18 - Name a type of compressor often used for pneumatic...Ch. 18 - Prob. 18.17PPCh. 18 - Prob. 18.18PPCh. 18 - Prob. 18.19PPCh. 18 - Compute the specific weight of nitrogen at 32...Ch. 18 - Compute the specific weight of air at 1260...Ch. 18 - Prob. 18.22PPCh. 18 - An air compressor delivers 820 cfm of free air....Ch. 18 - Prob. 18.24PPCh. 18 - Prob. 18.25PPCh. 18 - Prob. 18.26PPCh. 18 - Specify a size of Schedule 40 steel pipe suitable...Ch. 18 - For an aeration process, a sewage treatment plant...Ch. 18 - Prob. 18.29PPCh. 18 - Prob. 18.30PPCh. 18 - Prob. 18.31PPCh. 18 - Prob. 18.32PPCh. 18 - Prob. 18.33PPCh. 18 - Prob. 18.34PPCh. 18 - Prob. 18.35PPCh. 18 - Figure 18.14 iD shows a two-compartment vessel....Ch. 18 - Prob. 18.37PPCh. 18 - Prob. 18.38PPCh. 18 - Prob. 18.39PPCh. 18 - A tank of Refrigerant is at 150 kPa gage and 20C....Ch. 18 - Prob. 18.41PP
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- A cylinder with a piston diameter of 4" supports a loadstable 10,000 lbs vertical. a) Calculate the pressure generated at the base of the cylinder?b) If the cylinder is supplied with a flow of 3 gal/min, calculate its power? Answer : a) 796 psi b) 1.4HParrow_forwardInorder to achieve a liquid flow rate of 500 gal/min with a maximum pressure difference of 42 psi, calculate the value of valve flow coefficient. The specific gravity of liquid is 1.3.arrow_forwardA pump develops a power of 50 KW at 300 rpm with fluid specific gravity of 1.02 when impeller diameter is 150 mm. If increases to 650 rpm, impeller diameter of 120 mm and specific gravity of 0.8. Find the new power. Ans. 130.7 KWarrow_forward
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- Calculate the dynamic force of the water on the fork, referring to a horizontal plane. waste load lossarrow_forwardA liquid having a Reynolds number of 2900 flows thru a 150 mm diameter pipe, 200 m long. The head loss of the pipe due to friction is 18 m. (a) Compute the friction factor (b) determine Fluid velocity (c) compute the kinematic viscosity of the liquid in m²/s (d) Compute the rate of flow in liters/hour .arrow_forwardA duplex, single-acting reciprocating power pump is driven by a 40-HP electric motor at a speed of 120 RPM and delivers water at a temperature of 150F. The pump operates against a heat of 150 psig. The overall efficiency is 75%. If the estimated slip is 8%, determine the required bore and stroke, for a bore-stroke ratio of 0.75. a. bore in inches b. stroke in inchesarrow_forward
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