Fluid Mechanics
8th Edition
ISBN: 9780073398273
Author: Frank M. White
Publisher: McGraw-Hill Education
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Chapter 1, Problem 1.40P
Glycerin at 20°C fills the space between a hollow sleeve of diameter 12 em and a fixed coaxial solid rod of diameter 11.8 cm. The outer sleeve is rotated at 120 rev/mim Assuming nn temperature change, estimate the torque required, in N · m per meter of rod length, to hold the inner rod fixed.
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Inside the wall of a house, an L-shaped section of hot-water pipe consists of three parts: a straight, horizontal piece h = 28.0 cm long, an elbow, and a straight vertical piece ℓ = 147 cm long (figure below). A stud and a second-story floorboard hold the ends of this section of copper pipe stationary. Find the magnitude and direction of the displacement of the pipe elbow when the water flow is turned on, raising the temperature of the pipe from 18.0°C to 45.0°C. (Assume a coordinate system with it's origin at the elbow, the +x-axis to the right in line with the horizontal pipe and the +y-axis going upward.)
magnitude
mm
direction
° (clockwise from the +x-axis)
An illustration shows an L-shaped pipe embedded within the wall of a house. The pipe consists of a horizontal segment of length h connected to a vertical segment of length ℓ such that both segments are parallel to the wall.
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Inside the wall of a house, an L-shaped section of hot-water pipe consists of three parts: a straight, horizontal piece 28.0 cm long, an elbow,
and a straight vertical piece = 150 cm long. A stud and a second-story floorboard hold the ends of this section of copper pipe stationary.
Find the magnitude and direction of the displacement of the pipe elbow when the water flow is turned on, raising the temperature of the
pipe from 18.0°C to 43.4°C. (The coefficient of linear expansion of copper is 1.7 x 10-5(°C-¹).)
magnitude
direction
mm
° (below the +x-axis, which points to the right)
BOOK: FLUID POWER, 3e, JAMES A. SULLIVAN
PROBLEM: 8 - 10
Chapter 1 Solutions
Fluid Mechanics
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