Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 16, Problem 16.30PP
Repeat Problem 16.29 with the blade rotating as a part of the wheel at a radius of
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1. Calculate the propeller moment of inertia as in class. Analysis of the magnitude of the force that needs to be applied so that the propeller rotates at a speed of 100 rpm (rotation per minute), 500 rpm, 1000 rpm and 5000 rpm.
2.Do as question No.1 for a three blade propeller.
3. Do as question No.1 for a four blade propeller.
Find the decrease in the formula from the inertia of the propeller first and then analyze it when given a speed of 100 rpm 500 1000 and 5000
Design a Pelton wheel for a head of 60 m develop
95.65 kW shaft power at 200 rpm. Given the
velocity of bucket is 0.45 times the velocity of jet,
speed ratio= 0.45, overall efficiency = 85% and
%3D
coefficient of velocity = 0.98. Guide angle at inlet is
A thin rod 5 mm diameter is held between two chucks 0.8 m apart and
deflects 0.5mm under its static weight. The rod weighs 1.508 N/m and the
flexural stiffness is 6.136 N m². Calculate the lowest critical speed in rpm
taking into account the distributed mass
Chapter 16 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 16 - Calculate the force required to hold a flat plate...Ch. 16 - What must be the velocity of flow of water from a...Ch. 16 - Calculate the force exerted on a stationary curved...Ch. 16 - A highway sign is being designed to withstand...Ch. 16 - Compute the forces in the vertical and horizontal...Ch. 16 - Figure 16.13 O shows a free stream of water at 180...Ch. 16 - Compute the horizontal and vertical forces exerted...Ch. 16 - In a plant where hemispherical cup-shaped parts...Ch. 16 - A stream of non-flammable oil (sg 5 0.90) is...Ch. 16 - A 2 -in-diameter stream of water having a velocity...
Ch. 16 - Figure 16.17 O represents a type of flowmeter in...Ch. 16 - Water is piped vertically from below a boat and...Ch. 16 - A 2 -in nozzle is attached to a hose with an...Ch. 16 - Seawater (sg 5 1.03) enters a heat exchanger...Ch. 16 - A reducer connects a standard 6 -in Schedule...Ch. 16 - Calculate the force on a elbow attached to an in...Ch. 16 - Calculate the force required to hold a 90 elbow in...Ch. 16 - Calculate the force required to hold a 180 close...Ch. 16 - A bend in a tube causes the flow to turn through...Ch. 16 - A vehicle is to be propelled by a jet of water...Ch. 16 - A part of an inspection system in a packaging...Ch. 16 - Shown in Fig. 16.20 is a small decorative wheel...Ch. 16 - For the wheel described in Problem 16.22. compute...Ch. 16 - A set of louvers deflects a stream of warm air...Ch. 16 - Prob. 16.25PPCh. 16 - Prob. 16.26PPCh. 16 - Figure 16.22 shows a device for clearing debris...Ch. 16 - Prob. 16.28PPCh. 16 - Figure 16.23 is a sketch of a turbine in which the...Ch. 16 - Repeat Problem 16.29 with the blade rotating as a...Ch. 16 - Repeat Problem 16.29, except with the blade...
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- Problem 1 A Flywheel of radius 1.5m is rotating with a speed of 1000 rpm. Calculate the angular velocity and linear velocity.arrow_forwardAn engine turns at 250 revolutions per minute and its stroke is 450 mm. Find the average pistol speed in meters per minute, and the speed of the centre of’ the crank pin in meters per minute.arrow_forwardA thin rod 5mm diameter is held between two chucks 0.8 m apart and deflects 0.5 mm under its static weight. The rod weighs 1.508 N/m and the flexural stiffness is 6.136 Nm2. Calculate the lowest critical speed in RPM taking into account the distributed mass (four decimal places)arrow_forward
- Please solve this problem, Thank you Problem : Cone A turns 126 rpm and cone B turns 162 rpm. Find: 1. calculate the cone angle for the smaller cone if shaft angle is 60 degrees 2. calculate the cone angle for the larger cone if the shaft angle is 60 degrees 3. calculate the diameter of the larger cone if the base of cone A is 3in in vertex.arrow_forwardA motorised metal guillotine machine is required to cut 45 mm diameter hole in a plate of 20 mm thickness at a rate of 35 holes per minute. It requires a torque of 7 Nm for an area of hole in mm². If the cutting takes 1/10 of a second and the speed of its flywheel varies from 165 rpm to 145 rpm, calculate : 1.Mass of the flywheel having radius of gyration of 1.5 marrow_forwardThe maximum sliding velocity of the teeth of two gear wheels in mesh is 0.32 m/s. The wheels are of module 5 mm and have 32 and 44 teeth respectively. The addendum for each wheel is 1.2 times the module and the pressure angle is 20°. Calculate: 2.1. The number of teeth in contact. 2.2. The angular speed of each wheel.arrow_forward
- A lathe having a 5-step pulley is driven by a belt, assumed to be crossed, from a pulley of the same size on the countershaft. The countershaft is to have a constant speed, and the lathe is to have speeds of 60 rpm and 135 rpm when the belt is on the steps either side of the center step. If the minimum speed is 40 rpm and the smallest diameter is 4 in., find theproper speed of the countershaft, maximum speed of the lathe, and the diameter of all steps on the pulleys.arrow_forwardDesign a Pelton wheel for a head of 60 m develop 95.65 kW shaft power at 200 rpm. Given the velocity of bucket is 0.45 times the velocity of jet, speed ratio= 0.45, overall efficiency = 85% and coefficient of velocity = 0.98. Blade angle at outlet is *arrow_forwardTwo cylinders rolling in the same direction has a speed ratio of 4.2. If the diameter of the driven cylinder is 29 inches, find the diameter of the driver and the center distance between cylinders. DRIVER DIAMETER: CENTER DISTANCE:arrow_forward
- . A wheel has traveled for 100 m with 50 rpm. If we want to convert the wheel into a spurgear with 60 teeth, what do you think will be the tooth-to-tooth travel time? ?arrow_forwardDesign a Pelton wheel for a head of 60 m develop 95.65 kW shaft power at 200 rpm. Given the velocity of bucket is 0.45 times the velocity of jet, speed ratio= 0.45, overall efficiency = 85% and coefficient of velocity = 0.98. Jet velocity is * 33.62 m/sec O 42.12 m/sec 21.76 m/sec 54.98 m/secarrow_forwardG Chapter 9. Accelerations in Machines 9-1. The table of a hydraulically reciprocated grinder is arranged to operate with a 34-in. stroke and makes 200 complete cycles (over and back) per minute. Except during a very short period at each end of the stroke, the table moves with a uniform velocity of 8 ips. Assuming that during the period of reversal the table is accelerated at a uniform rate, what is the magnitude of the acceleration in feet per second per second? ANSWER: 11.9 ft/s²arrow_forward
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