EBK FLUID MECHANICS
2nd Edition
ISBN: 9780134626055
Author: HIBBELER
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 8, Problem 31P
To determine
The relation between
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The 4-lbs piece of putty is dropped 12 ft onto the 16-lbs block initially at rest on the two springs, each with a stiffness k = 5 lbs/in. Calculate the additional deflection d of the springs due to the impact of the putty, which adheres to the block upon contact.
A converging elbow (see the figure below) turns water through an angle of 135° in a vertical plane. The flow cross section diameter is
400 mm at the elbow inlet, section (1), and 200 mm at the elbow outlet, section (2). The elbow flow passage volume is 0.2 m³ between
sections (1) and (2). The water volume flowrate is 0.1 m³/s and the elbow inlet and outlet pressures are 140 kPa and 90 kPa. The elbow
mass is 11 kg. Calculate the (a) horizontal (x direction) and (b) vertical (z direction) anchoring forces required to hold the elbow in
place.
D₂-
Section
(1)-
D₁ = 400 mm
135°
200 mm
Section (2)
(a) Fx= i
20809.96
N
(b) Fz= i
-120265
N
2: A rectangular aluminum block is loaded uniformly in three directions. The loadings are as follows:a 50 kN total resulting compressive load in the x-direction, a 200 kPa uniformly distributed tensile load in they-direction, and a 0.03 MN total resulting tensile load in the z-direction. The block has the following dimensions:L = 1 m, b = 20 cm, h = 350 mm. Use E = 70 GPa and ν = 0.25.Determine the strain in the x and y axes respectively. For the strain in the y-direction to be equal to 0, how much uniformly distributed load inthe surface of y-direction should be added? (+ for tensile, - for compressive)
Answers:
5 -1.122 x10-5 / 3 decimals
6 5.102 x10-6 / 3 decimals
7 -0.357 MPa / 3 decimals
Chapter 8 Solutions
EBK FLUID MECHANICS
Ch. 8 - Prob. 1PCh. 8 - Prob. 2PCh. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - The pressure change that occurs in the aortic...Ch. 8 - Express the group of variables L, μ, ρ, V as a...Ch. 8 - Prob. 9PCh. 8 - Prob. 10P
Ch. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - The speed of sound V in air is thought to depend...Ch. 8 - Prob. 15PCh. 8 - Prob. 16PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - The discharge Q over the weir A depends upon the...Ch. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - As the liquid drains from the pipette, the exit...Ch. 8 - The discharge Q from a turbine is a function of...Ch. 8 - The flow of air Q through the fan is a function of...Ch. 8 - The drag FD on the square plate held normal to the...Ch. 8 - Prob. 29PCh. 8 - Prob. 30PCh. 8 - Prob. 31PCh. 8 - The head loss hL in a pipe depends upon its...Ch. 8 - Prob. 33PCh. 8 - The change in pressure Δp in the pipe is a...Ch. 8 - The drag FD on the automobile is a function of its...Ch. 8 - Prob. 36PCh. 8 - Prob. 37PCh. 8 - The diameter D of oil spots made on a sheet of...Ch. 8 - Prob. 39PCh. 8 - The height H of water as it passes over a small...Ch. 8 - Water and crude oil flow through the pipes with a...Ch. 8 - Prob. 42PCh. 8 - If the water in a river is flowing at 16 ft/s, and...Ch. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - Prob. 48PCh. 8 - The flow of water around the structural support is...Ch. 8 - If the drag on a 15-m-long airplane is to be...Ch. 8 - Prob. 51PCh. 8 - A 15-ft-long submarine is intended to travel at 15...Ch. 8 - The flow of water around the bridge pier is to be...Ch. 8 - Prob. 54PCh. 8 - Prob. 55PCh. 8 - Prob. 56PCh. 8 - Prob. 57PCh. 8 - Prob. 58PCh. 8 - The jet plane can fly at Mach 2 in 40°F air. What...Ch. 8 - Prob. 60PCh. 8 - The drag coefficient on an airplane is defined by...Ch. 8 - Prob. 62PCh. 8 - Prob. 63PCh. 8 - Prob. 64PCh. 8 - A ship has a length of 180 m and travels in the...
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