Fluid Mechanics ME571
Fall 2013 Homework 5 Starred Problem
5. The surface tension of a liquid is being measured with a ring as shown. The ring
has an outside diameter of 10 cm and an inside diameter of 9.5 cm. The mass of
the ring is 10 grams. The force r
Fluid Mechanics ME571
Fall 2013 Homework 4 Starred Problem
4. The clutch system shown below is used to transmit torque through a 2-mm-thick
oil film with = 0.38 Ns/m2 between two identical 30-cm-diameter disks. When
the driving shaft rotates at a speed of
Fluid Mechanics ME571
Fall 2013 - Homework 3 Starred Problem
3.
A. Taking the bulk modulus of water to be 7 x 105 psia, determine the pressure
increase required to reduce the volume of water by (a) 1 % and (b) 2 percent
B. An Airbus A-340 passenger plane
Fluid Mechanics ME571
Fall 2013 - Homework 2 Starred Problem
2. The pressure in an automobile tire depends on the temperature of the air in the
tire. When the air temperature is 25C, a tire pressure gage reads 210 kPa. If the
volume of the tire is 0.025 m
F luid Mechanics
M E571
E xam T wo
J uly 3, 2013
Name:_~_-'-w_n_:_N _
_o
".
o_
S how y our w ork a s c ompletely as possible p roviding i ntermediate c alculations w hen
n ecessary.
O rganize y our s olutions a nd l abel w here a ppropriate.
C heck u nits
Fluid Mechanics
ME 571
Exam Two
July 3, 2013
Name:_
Show your work as completely as possible providing intermediate calculations when
necessary.
Organize your solutions and label where appropriate.
Check units and dimensions, and quote final numerical ans
Fluid Mechanics
ME 571
Exam One
June 21, 2013
Name:_
Show your work as completely as possible providing intermediate calculations when
necessary.
Organize your solutions and label where appropriate.
Check units and dimensions, and quote final numerical an
1. Determine the gage pressure in kPa at point a, if liquid A has SG = 1.20 and liquid B has
SG = 0.75. The liquid surrounding point a is water and the tank on the left is open to the
atmosphere.
2. Consider the multiple fluid manometer with fluids with t
Help Session Problems
Exam One
Fluid Mechanics
1. A pivot bearing used on the shaft of an electrical instrument is shown in the figure
below. An oil with a viscosity of = 0.010 lbs/ft2 fills the 0.001-in gap between the
rotating shaft and the stationary b
Help Session Problems
Exam Two
Fluid Mechanics
1. The homogenous gate shown below consists of one quarter of a circular cylinder and is
used to maintain a water depth of 4 m. That is, when the water depth exceeds 4 m, the
gate opens slightly and lets the
Fluid Mechanics ME571
Fall 2013 Homework 24 Starred Problem
24. Plate A is 50 cm in diameter and has a sharp-edged orifice at its center. A
water jet (at 10C) strikes the plate concentrically with a speed of 90 m/s.
What external force is needed to hold t
Fluid Mechanics ME571
Fall 2013 Homework 29 Starred Problem
29. A certain spillway for a freshwater dam is 20 m wide and is design to carry 125 m3/s
at flood stage. A 1:15 model is constructed to study the flow characteristics through
the spillway. Consid
Fluid Mechanics ME571
Fall 2013 Homework 25 Starred Problem
25. The water ( = 1000 kg/m3) in this jet has a speed of 60 m/s to the right and is
deflected by a cone that is moving to the left with a speed of 5 m/s. The diameter
of the jet is 10 cm. Determi
Fluid Mechanics ME571
Fall 2013 Homework 27 Starred Problem
27.
a.) The sketch shows an air jet discharging vertically. Experiments show that a ball
placed in the jet is suspended in a stable position. The equilibrium height of the
ball in the jet is foun
Fluid Mechanics ME571
Fall 2013 Homework 33 Starred Problem
33. Water flows from a tank through at 2.6-m length of galvanized iron pipe 26 mm
in diameter. At the end of the pipe is an angle value that is wide open. The tank
is 2 m in diameter. Calculate t
Fluid Mechanics ME571
Fall 2013 Starred Problem 32
32. A water turbine is connected to a reservoir as shown. The flow rate in this
system is 5 cfs. What power can be delivered by the turbine if its efficiency is
80%. Assume a temperature of 70 F.
(This is
Fluid Mechanics ME571
Fall 2013 Homework 26 Starred Problem
26. A reducing pipe bend is held in place by a pedestal as shown. There are
expansion joints at sections 1 and 2, so no force is transmitted through the pipe
past these sections. The pressure at
Fluid Mechanics ME571
Fall 2013 Homework 31 Starred Problem
31. For fully developed laminar flow in a pipe, determine the radial distance from
the pipe axis at which the velocity equals the average velocity.
(This is the last starred problem for exam 4)
Fluid Mechanics
ME 571
Exam Four
July 24, 2013
Name:_
Show your work as completely as possible providing intermediate calculations when
necessary.
Organize your solutions and label where appropriate.
Check units and dimensions, and quote final numerical a
Fluid Mechanics
ME 571
Exam Three
July 15, 2013
Name:_
Show your work as completely as possible providing intermediate calculations when
necessary.
Organize your solutions and label where appropriate.
Check units and dimensions, and quote final numerical
Help Session Problems
Exam Three
1
1. Consider the flow field given by = 2 3 + . Determine:
3
a. The number of dimensions
b. The acceleration of the fluid particle at a point (x, y, z) = (1, 2, 3)
Fluid Mechanics
Help Session Problems
Exam Three
Fluid Mec
Help Session Problems
Exam Four
Fluid Mechanics
1. A thin elastic wire is placed between rigid supports. A fluid flows past the wire, and it is
desired to study the static deflection, , at the center of the wire due to the fluid drag.
Assume that:
= ( ,
Fluid Mechanics ME571
Fall 2013 Homework 20 Starred Problem
20. A pump is used to fill a tank 5 m in diameter from a river as shown. The water
surface in the river is 2 m below the bottom of the tank. The pipe diameter is 5
cm, and the head loss in the pi
Fluid Mechanics ME571
Fall 2013 Homework 18 Starred Problem
18. Water at 20 C is proposed to be is siphoned from a reservoir as shown. Assume
no losses. For d = 10 cm and D = 16 cm, determine:
a. The maximum flow rate that can be achieved without cavitati