INDIAN INSTITUTE OF MANAGEMENT KOZHIKODE
Post Graduate Program in Management
MIDTERM EXAMINATION
Course Title
Instructor
Duration
Maximum Points
Term
Year
Microeconomics
Kausik Gangopadhyay
120 minutes
100
I
PGP I 201516
Instructions
1. This is a closed b

MI304FLUID MACHINES
LECTURE 11
B.K.Gandhi
Pelton Turbine
The available pressure head is completely converted into kinetic
energy and a free jet through a nozzle or number of nozzles strikes to
the runner buckets.
This type of turbine is known as impulse o

MI 304 FLUID MACHINES
LECTURE 25
B. K. Gandhi
Testing of Turbines & Pumps
Purpose of Tests
Investigation of losses- In order to find out the efficiency of units, the
different losses such as mechanical and hydraulic
losses.
Design and Research-
These te

1/21/2014
TOTAL QUALITY MANAGEMENT
IMI-01
Instructor Dr. Akshay Dvivedi
SPRING 2013-2014
This material is for classroom discussion and teaching only
1
1/21/2014
2
1/21/2014
THE FACTORY SYSTEM
FACTORY LIFE
COTTAGE INDUSTRIES
Before IR (1750-1850) began, pe

MI 304 FLUID MACHINES
LECTURE 7
B. K. Gandhi
One dimensional theory
The real flow through an impeller is three dimensional, but
for simplification one dimensional flow analysis is generally
carried out
The basic assumptions involved are:
The blades are i

MI304FLUID MACHINES
LECTURE 9
B.K.Gandhi
Impulseandreactionmachines
The relative proportion of energy transfer obtained by the
change in static head and by the change in dynamic head is
one of the important factors for classifying fluid machines.
The mach

MI 304 FLUID MACHINES
LECTURE 21
B. K. Gandhi
PUMP CURVE
Pump Head
H
Pump
curve
The Pump curve defines
Pump Capacity
the
At various flow rates
50%
100%
Q
SYSTEM CURVE
Pump Head
H
System
curve
The System curve defines
System Resistance
the
At various flow

MI 304 FLUID MACHINES
LECTURE 16
B. K. Gandhi
Governing
The basic condition to be fulfilled in the running of turbines is that the
frequency of generation is to be maintained constant
This can be achieved in two ways, namely:
By keeping the speed constan

MI 304 FLUID MACHINES
LECTURE 8
B. K. Gandhi
FLOW THROUGH THE IMPELLER
The reasons why the impeller vanes cannot apply, and liquid cannot
absorb the power required to produce Euler's head
Pressure Distribution
To transmit power to the liquid, pressure Pf

INDIAN INSTITUTE OF TECHNOLOGY KANPUR
DEPARTMENT OF MECHANICAL ENGINEERING
ME 231: FLUID MECHANICS LABORATORY
1
REPORT WRITING
All experiments in the Fluid Mechanics Laboratory require a formal report. The report should be
written in such a way that anyon

MI304FLUID MACHINES
LECTURE 5
B.K.Gandhi
Problem: Calculate the least diameter of impeller of a centrifugal pump to
just start delivering water to a height of 30 m, if the inside diameter of the
impeller is half of the outside diameter and the manometric

Quality Circles
Dr. Akshay Dvivedi
4/16/2014
Quality Circle
1
Definition
Quality Circle consists of a group of work force level
people, usually from within one department ,who meet
voluntarily and regularly to identify, analyze , discuss
problems concerni

MI 304 FLUID MACHINES
LECTURE 22
B. K. Gandhi
Compressible Flow Machines
A rotodynamic fluid machine that uses air, steam of gas as the working fluid.
The density of fluids change with the change in pressure as well as in
temperature as they pass through

MI304FLUID MACHINES
LECTURE 12
B.K.Gandhi
Theory of Tangential wheel
W1 V1 u1
Tangential force to the wheel in the direction of
F m V1 V2 cos 2
m V1 u2 W2 cos 2
From continuity equation u1 u2 , P1 P2 and z1 z2 we get
V u
1 k ' Vr22 Vr1 1 1
1 k '
or
Vr2

MI 304 FLUID MACHINES
LECTURE 23
B. K. Gandhi
AXIAL FLOW COMPRESSORS
The basic components of an axial flow compressor are a rotor and a stator
The rotor carrying the moving blades and the stator the stationary rows of blades
The stationary blades convert

ADVANCED ENGINEERING
6(2011)1, ISSN 1846-5900
ON THE GOODMAN'S FATIGUE SAFETY FACTOR
Jelaska, D.
Abstract: It is demonstrated that, in the presence of static prestress, the fatigue strength
amplitude calculated after Goodman's criterion is less than the r

MI 304 FLUID MACHINES
LECTURE 20
B. K. Gandhi
Jet Centrifugal Pump Combination
Ground water available in open or tube
wells are extensively used for irrigation
and water supply.
The phenomenon of cavitation limits
the use of centrifugal and piston
pumps

MI304FLUID MACHINES
LECTURE 14
B.K.Gandhi
Francis Turbine
A Francis turbine is a reaction turbine i.e. pressure drops in both
guide vanes & runner. It is generally inward flow turbine. Outward
flow is forneyron turbine
From continuity equation
V0 A0 V f1

MI 304 FLUID MACHINES
LECTURE 19
B. K. Gandhi
MINIMUM STARTING SPEED
When the pump is started, there will no flow of water until the pressure
difference in the impeller is large enough to overcome the gross or
manometric head. Therefore a centrifugal head

MI 304 FLUID MACHINES
LECTURE 3
B. K. Gandhi
Similitude and dimensional analysis
By making use of this principle, it becomes possible to
predict the performance of one machine from the results
of tests on a geometrically similar machine, and also to
predi

MI304FLUID MACHINES
LECTURE 4
B.K.Gandhi
TheAngularmomentumsprinciple
TheAngularmomentumprincipleforasysteminaninertialframe
is
dH
T
(1)
dt
system
Where,
T Total torque on the system by its surroundings
and
H Angular momentums of the system
M (system)
r

MI304FLUID MACHINES
LECTURE 6
B.K.Gandhi
In practice, every rotor has finite number of vanes despite the assumption of
infinite number of vanes in Euler's equation deviation.
The distance between adjacent blades 'S' is known as pitch and its ratio with
ch

ME-231A
Practice Problem Set-1 Answers
P1. Dimension of B= [L-1]
P2. Shear stress on upper plate, yx=-4.56 N/m2 and shear stress varies linearly with y.
P3. Gauge pressure =4.41 kPa
P4. Pressure difference PA-PB=8900Pa
P5. Total pressure drop=171lbf/ft2 a

ME-231A
Practice Problem Set-1 Answers
P1. Dimension of B= [L-1]
P2. Shear stress on upper plate, yx=-4.56 N/m2 and shear stress varies linearly with y.
P3. Gauge pressure =4.41 kPa
P4. Pressure difference PA-PB=8900Pa
P5. Total pressure drop=171lbf/ft2 a

EquationsofContinuity
DifferentialMassBalance
Rate of Rate of Rate of
Mass balance:
accumulation mass in mass out
Rate of mass
x y z
accumulation t
Rate of
mass in u x y z v y xz w z xy
Rate of
mass out u x x y z v y y xz w z z x y
Different

BoundaryLayerApproximation
BoundaryLayerApproximation
The boundary layer approximation bridges
thegapbetweentheEulerequationandthe
NavierStokes equation, and between the
slip condition and the noslip condition at
solidwalls.
A major breakthrough in fluid

Problem Set 6
ME 231-A
1. A small low-speed wind tunnel (Fig. 1) is being designed for calibration of hot wires. The air is at
19 C. The test section of the wind tunnel is 30 cm in diameter and 30 cm in length. The flow
through the test section must be as

Problem Set 3
ME 231A
1. A laboratory test tank contains seawater of salinity S and density . Water enters the tank at
conditions (S1, 1 , A1, V1) and is assumed to mix immediately in the tank. Tank
water leaves through an outlet A2 at velocity V2. If sal

ME-231A-Practice Problem Set 4
P1. Air enters a nozzle steadily at 2.21 kg/m3 and 30 m/s and leaves at 0.762 kg/m3 and 180 m/s.
If the inlet area of the nozzle is 80 cm2, determine (a) the mass flow rate through the nozzle, and
(b) the exit area of the no

Indian Institute of Technology Kanpur
Department of Mechanical Engineering
ME 231A: FLUID MECHANICS
Semester: 2016-17-II
Instructor: Arun K Saha, Mechanical Engg. Dept., Office: SL210, Ph: 7869, Email: [email protected]
Office Hours: Appointment via email

Practice Problem Set - 5
ME-231A
P1. A two-dimensional steady flow in a viscous liquid is described by the equation:
u
h 2u 2u
g
u
x
x x 2 y 2
Use a length scale, L, and a velocity scale, Vo, to non-dimensionalize this equation. Obtain the
dimensionl