EBK APPLIED FLUID MECHANICS
7th Edition
ISBN: 9780100668348
Author: UNTENER
Publisher: YUZU
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Chapter 18, Problem 18.32PP
To determine
The weight flow rate and the velocity through the nozzle.
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A pipe has a diameter D and a friction factor f. Assume that f is constant due to a very large reynolds number. By what percent will the pressure drop in the pipe increase if the volume flow is doubled?
A pump is required to transfer water at the rate of 350 kg/s from an open sump to an open storage tank located 30m above the pump. The sucLon pipe is 350mm in diameter and 12m in length and the delivery pipe is 550mm in diameter and 40m in length. Calculate:(a) The maximum height at which the pump may be placed above the sump, so that pressure at the inlet is not less than -80 kPa (gauge) (b) the energy to be supplied by the pump per unit mass of water transferred (c) The input power required by the pump, which is 60 % efficient
A storage reservoir supplies water to a pressure turbine under a head of 20 m. If the flow rate is 500 liters per second the head loss in the 300 mm pipe supplying the turbine is 2.5 m. Determine the pressure at the entrance of the turbine. If a negative pressure of 30 kPa exists at the 600 mm diameter section of the draft tube (exit tube) below the turbine 1.5 m below the supply line, estimate the energy absorbed by the turbine in kW neglecting losses between the entrance and exit of the pipe. Find also the output of the turbine assuming an efficiency of 85%
Chapter 18 Solutions
EBK APPLIED FLUID MECHANICS
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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