Fluid Mechanics II
Tutorial week 2
11-13 March 2014
Exercise 1
The picture above shows the ows past a circular cylinder. What is highlighted by means of dye visualization ? (multiple
answers possible)
Tutorial 10
Boundary layer theory
1. If the velocity distribution law in a laminar boundary layer over a flat plate is assumes to be of the
u=ay+ b y
form
3
, determine the velocity distribution law.
Tutorial 7
Fluid Dynamics
1. Oil with sp gr 0.75 is flowing through a 15cm diameter pipe under a pressure of 105KN/m 2. If the total
energy relative to a datum plane 2.5m below the center of the pipe
Tutorial 6
Fluid Kinematics
1. Water is flowing through a pipe of 2.5cm diameter with a velocity of 0.5m/s. Compute the discharge in
m3/s and litres/s.
Solution:
Diameter of pipe (d) = 2.5cm = 0.025m
Tutorial 8
Flow measurement
1. A jet of water issuing from 5mm diameter orifice working under a head of 2.0m, was found to travel
horizontal and vertical distances of 2.772m and 1m respectively. If C
Tutorial 3
Hydrostatic force on submerged bodies
1. A vertical rectangular gate, 1.4m high and 2 m wide, contains water on one side. Determine the total
resultant force acting on the gate and the loca
Tutorial 1
Fluid properties
1. A reservoir of glycerin has a mass of 1100kg and a volume of 0.9 m 3. Calculate its weight, mass density,
specific weight and specific gravity.
Solution:
Mass of glyceri
Tutorial 5
Relative equilibrium
1. An open rectangular tank 3m long and 2m wide is filled with water to a depth of 1.5m. Find the slope
of the water surface when the tank moves with an acceleration of
Tutorial 4
Buoyancy and floatation
1. A rectangular pontoon has a width of 6m, length of 10m and a draught of 2m in fresh water. Calculate
(a) weight of pontoon, (b) its draught in seawater of density
PROBLEM 8.76
0.018
0.018
15
100,900
105,515
-133,360
0.15
PROBLEM 8.77
Re
351 Q
1.21
PROBLEM 8.77
Re
55
8
51
65
7.02
7
7
7
8.78
8.78
PROBLEM 8.79
KL
KL
KL
For soldered (similar to threaded) pipe, Tabl
Tutorial 2
Fluid pressure
1. A cylinder contains a fluid at a gauge pressure of 360 KN/m 2. Express this pressure in terms of a head
of (a) water, and (b) mercury of sp gr = 13.6
What would be the abs
Tutorial 9
Application of Momentum Principle
1. A 60cm pipe is connected to a 30cm pipe by a standard reducer fitting. For the same flow of 0.9 m 3/s
of water and a pressure of 200Kpa, what force is e
Fluid Mechanics II
Tutorial Week 12
27 & 29 May 2014
Exercise 1
Suppose that three cast-iron pipes are connected to meet smoothly at a point B, as shown in Fig. (1). The inlet pressures
in each pipe a
Fluid Mechanics II
Tutorial Week 4
25-27 March 2014
Exercise 1
a) Draw Streamlines that indicate :
i) Streamwise acceleration
ii) Streamwise deceleration
b) Draw the equipotential lines and streamline
(25.5 6 A certain ow eld is descried by the sfream furio
tion
=A9+Brsina
when A and B are positive constants. Determine the arm
spending valocity potential and locate any stagnaiicn points in
this ow
Fluid Mechanics II
Mid-term
Tuesday 20 May 2014
First Name
Last Name
Student number
Examiners use only
1)
2)
3)
Mark :
4)
5)
Instructions
The mid-term will last 1 hour and 45 minutes.
This test is n
Fluid Mechanics II
Mid-term
Thursday 17 April 2014
First Name
Last Name
Student number
Examiners use only
1)
2)
3)
Mark :
4)
5)
Instructions
The mid-term will last 1 hour and 50 minutes.
This test i
Fluid Mechanics II
Mid-term
Thursday 22 May 2014
First Name
Last Name
Student number
Examiners use only
1)
2)
3)
Mark :
4)
5)
Instructions
The mid-term will last 1 hour and 45 minutes.
This test is
Fluid Mechanics II
Mid-term
Tuesday 15 April 2014
First Name
Last Name
Student number
Examiners use only
1)
2)
3)
Mark :
4)
5)
Instructions
The mid-term will last 1 hour and 50 minutes.
This test is
CIVL 3612/9612 - Fluid Mechanics, Semester 1 2015
Tutorial 3
1
It is known that the velocity distribution for two-dimensional flow of a viscous incompressible
fluid between parallel plates (see figure
CIVL 3612/9612 - Fluid Mechanics, Semester 1 2016
Tutorial 06
1
A 1:40 scale model of a ship is to be tested in a towing tank. Determine the required kinematic
viscosity of the model fluid so that bot
CIVL 3612/9612 - Fluid Mechanics, Semester 1 2016
Q1
Tutorial 11 - Pumps
Pump scaling
A centrifugal pump provides a flowrate of 2 kL/min when operating at 1750 rpm against a 60 m head. Determine the p
CIVL 3612/9612 - Fluid Mechanics, Semester 1 2016
Tutorial 2
1
An incompressible steady-flow pattern is given by u = x3 + 2z 2 and w = y 3 2yz. What is the
most general form of the third component v(x
Viscous Flow in Pipes
1
1.1
1
Extra problems for viscous pipe flows
Head loss
Water flows in a constant-diameter pipe with the following conditions measured: At section (a) pa = 223 kPa
and za = 17.3