443 Sol P4.png
ZE. .c hemispherical bowl of mass m is held in
equilibrium 0; mi: vcrlica] jet of water dischargcif lhrugh a
31022le 13f diamclcr d. If the volumetric new is Q. determine
lhc heighl f: a: which Lhc bowl is suspended. The walcr
desiiy is W.
6.4 For ow of SAE 30 oil through a S-cni-dianieter pipe, from Fig. A. 1, for what ow
rate in m3/h would we expect transition to turbulence at (a) 20C and (b) 100C?
Solution: For SAE 30 oil take p = 891 leg/1113 and take ,1: = 0.29 leg/ins at 20C (Table AB
HOMEWORK 2
ME-342
Each Problem is 10 points
2. 55
In the equation R should be D
(diameter) then results will be
change
0.001633 / h
81.84 cm or 0.8184m
HW 7 SOLUTIONS
Each problem is 10 points
ME 342 HW 5 SOLUTIONS
EACH PROBLEM IS 10 POINTS
5.71
HW 4 SOLUTIONS
Each problem is 10 points
HW 3 Solutions
7th edition Chapter 3
Problems: 8,12,22,26,39,49,61,66,160,174,114,120
Each problem is 10 points
3.39
3.1
1. Blue and yellow streams of paint at 60 F
(each with a density of 1.6 slugs/ft3 and a
viscosity 1000 times greater than water; water
viscosity = 2.34 10-5 lbs/ft2) enter a pipe
with an average velocity of 4 ft/s as shown in
the figure. Would you expect
1. Blue and yellow streams of paint at 60 F
(each with a density of 1.6 slugs/ft3 and a
viscosity 1000 times greater than water; water
viscosity = 2.34 10-5 lbs/ft2) enter a pipe
with an average velocity of 4 ft/s as shown in
the figure. Would you expect
1. An incompressible, viscous fluid is placed between
horizontal, infinite, parallel plates as is shown in figure.
The two plates move in opposite directions with constant
velocities, U1 and U2, as shown. The pressure gradient in
the x direction is zero,
ME 342 Fluid Mechanics (Spring 2015)
Instructor: Prof. Chang-Hwan Choi
Quiz II
Solution
1. The truck is moving to the left at 5 m/s
into a 50-mm-diameter stream of water,
which has a discharge of 8 liter/s.
Determine the dynamic force the
stream exerts on
ME342FluidMechanics(Spring2015)QuizI
Instructor:Prof.ChangHwanChoiSolution
1. The tank shown in the figure has a
4cmdiameter plug at the bottom on the
right. The plug will pop out if the
hydrostatic force on it is 25 N. For this
condition, what willbether
Problem 3.19
Problem
3.24
[Difficulty: 2]
3.19
Given:
Data on manometer
Find:
Gage pressure at point a
Assumption:
e
Water, liquids A and B are static and incompressible
c
d
Solution:
Basic equation
dp
= g
dy
or, for constant
p = g h
where h is height di
Problem 1.19
Problem
1.20
[Difficulty: 1]
1.19
Given:
Pressure, volume and density data in certain units
Find:
Convert to different units
Solution:
Using data from tables (e.g. Table G.2)
6895 Pa
1 psi = 1 psi
(b)
1 liter = 1 liter
(c)
1 ft
lbf s
lbf
Musculoskeletal Changes in Mice from 2050 cGy of Simulated Galactic Cosmic
Rays
Author(s): Eric R. Bandstra, Raymond W. Thompson, Gregory A. Nelson, Jeffrey S. Willey, Stefan
Judex, Mark A. Cairns, Eric R. Benton, Marcelo E. Vazquez, James A. Carson, and
Rutgers, The State University of New Jersey
Soil Mechanics Laboratory
Spring 2017
Natural water content and Atterberg Limits
Class day:
Group Number:
Group members:
Make a table and write the names of the moisture cans you used along with their empty weig
Department of Civil and Environmental Engineering
Stanford University
THEORY AND APPLICATION OF EXPERIMENTAL
MODEL ANALYSIS IN EARTHQUAKE ENGINEERING
by
Piotr D. Moncarz
and
Helmut Krawinkler
Report No. 50
June 1981
The John A. Blume Earthquake Engineerin
Plot the pathlines of bubbles that leave the origin at t = O, l, 2, 3, and
4 5. Mark the locations of these ve bubbles at i: 4 5. Use a dashed
line to indicate the position of a streakline at t=4 s.
2.28 A flow is described by velocity field 17 =ai+bx whe
130
people as a system, and assuming no heat transfer to the surround-
ings, how much does the internal energy of the system change?
How do you account for the fact that the temperature of the
air increases? Estimate the rate of temperature rise under the
192 Chapter 5 Introduction to Differential Analysis of Fluid Motion
1 . Li, W. H., and S. H. Lam, Principles of Fluid Mechanics. Reade
ing, MA: Addison-Wesley, 1964.
2. Daily, J. W., and D. R. F. Harleman, Fluid Dynamics. Reading,
MA: Addison-Wesley, 19
238
Chapter 6 lncompressible lnviscid Flow
coordinates are measured in meters, and A = 1 In1 -s1 . There is no
velocity component or variation inthe z direction. Calculate the accel
eration of a uid particle at point (x, y) = (1,2). Estimate the radius of
3.42 A circular gate 3 111 in diameter has its center 2.5 m below a
water surface and lies in a plane sloping at 60. Calculate magnitude,
direction, and location of total force on the gate.
3.43 For the situation shown, nd the air pressure in the tank in
Fluid Mechanics 650:312 Midterm, October 23, 2015 Name: Shhbk COW ,
Notel: Please work clearly and neatly.
Note 2: Plagiarism or cheating will NOT be tolerated!
P1. (45 points) The semicircular plate has a length of 1) (normal to
the page) and radius R,
ﬂ' _t
Fluid Mechanics 650:312 Exam #1, September 25, 2015 Name: 5 he. [LL—i104.
Notel: Please work clearly and neatly.
Note 2: Plagiarism or cheating will NOT be tolerated!
P1. {20 points! The tilted tube shown in the ﬁgure has an inner diameter d
and is
Problem 2.40
Problem2.34
[Difficulty: 2]
2.34
Given:
Velocity distribution between flat plates
Find:
Shear stress on upper plate; Sketch stress distribution
Solution:
Basic equation
du
yx =
dy
yx =
At the upper surface
Hence
y=
du
=
dy
d
dy
u max 1
2
Problem 1.2
Problem 1.2
[Difficulty: 2]
1.2
1.2
Given:
Five basic conservation laws stated in Section 1-4.
1.2
Write:
A word statement of each, as they apply to a system.
Solution:
Assume that laws are to be written for a system.
a.
Conservation of mass T