Kinetics of Particles: Work and Energy
Total work done is given by:
U12 T2 T1 T
Modifying this eqn to account for the potential energy terms:
U1-2 + (-Vg) + (-Ve) = T U1 2 T V
'
U1-2 is work of all ex
Area Moments of Inertia
Mohrs Circle of Inertia : Graphical representation of the MI equations
- For given values of Ix, Iy, & Ixy, corresponding values of Ix, Iy, & Ixy may be
determined from the dia
Example: Impact
1
Example: Impact
2
Example: Impact
3
Example: Impact
4
Variable Systems of Particles
Kinetics principles established so far were derived for
constant systems of particles, i.e., syst
Variable Systems of Particles
Kinetics principles established so far were derived for
constant systems of particles, i.e., systems which neither
gain nor lose particles.
A large number of engineerin
Rigid Body Kinetics : Impulse/Momentum
Impulse-Momentum equations are useful
when the applied forces are expressed as functions of time
when interaction between particles or rigid bodies occur durin
3-D Dynamics of Rigid Bodies
Kinetics
Momentum Equations and Energy Equations of Motion
Momentum Equations
General linear and angular momentum equations for
systems of particles of constant mass:
The
3-D Dynamics of Rigid Bodies
Kinetics
1
3-D Dynamics of Rigid Bodies
Kinetics
Momentum Equations and Energy Equations of Motion
Momentum Equations
General linear and angular momentum equations for
sys
Kinetics of Particles
Impact
Collision between two bodies during a very short period of time.
Generation of large contact forces (impulsive) acting over a very short interval
of time.
Complex pheno
Mass Moment of Inertia
MI of some common geometric shapes
1
Example-1: 3-D Dynamics of Rigid Bodies
Kinetic Energy
Example:
Solution:
Mass Calculations:
mA = (0.1)(0.125)70 = 0.875 kg
mB = (0.075)(0.1
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This template is intended for use with the Getting Started manual.
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Auxiliary Power Unit APU
An auxiliary power unit (APU) is a device on a vehicle that provides energy for
functions other than propulsion. They are commonly found on large aircraft.
The primary purpose
PEMP
RMD510
Gas Turbine Cycle Analysis
Session delivered by:
Prof Q.H.
Prof.
Q H Nagpurwala
03
@ M.S.Ramaiah School of Advanced Studies, Bengaluru
1
Session Objectives
PEMP
RMD510
This session is inte
Free Vibration of a Two-DOF & Three-DOF
System
1.1 ObjectiveTo find natural frequencies of two- degree of freedom system and phase difference between the
masses in system in different mode of vibratio
AIR-BREATHING ENGINES
The turbojet, turbofan, turboprop, turboshaft, and ramjet engine systems will be discussed
in this section. The discussion of these engines will be in the context of providing th
ME 411 Applied Thermodynamics II
Tutorial Sheet 3
Unless otherwise stated, the following data may be used:
Cp for air = 1.005 kJ/kg K, R = 0.287 kJ/kg K, = 1.4
Cp for gas = 1.148 kJ/kg K, R = 0.287 kJ
Free and Forced Vibration Characteristics of Cantilever Beams
1. Major Precautions (for self, group mates and equipments)
All laboratory equipments are costly & sophisticated, and require expert atte
Thrust Reversing
Thrust reversers are used to reduce the length of the runway required for landing, and is
used almost universally in civil transport aircraft. For most of the modern large aircraft
wi
ME 411 Applied Thermodynamics II
Tutorial Sheet 1
Unless otherwise stated, the following data may be used:
For air: Cp = 1.005 kJ/kg K, = 1.4, R = 0.287 kJ/kgK.
1.
A stationary gas-turbine power plant
Balancing of Rotor
1. Objective
1. To find the first two natural frequency of the rotor system.
2. To observe the first two critical speed of the rotor system.
3. To identify unbalance in the rotor an
Question 1: The function of bearing is to
A.Support load.
B. Transmit power.
C. Convert rotary to reciprocating motion.
D. All of the above.
(A)
(B)
(C)
(D)
Question 2: On the basis of direction of lo
ONGC Test Engineer Mechanics Objective Sample Quiz
Geology Model Test Paper
Q.1. A surge tank is provided in the hydro power
schemes is
(a) Strengthen the penstocks
(b) Reduce water hammer pressures
(
Graphics is used in the engineering design process for:
A)
communicating
B)
conducting analyses
C)
solving problems
D)
all of the above
2
Which is not a geometry which is considered a foundation for t
Multiple choice questions
Note: The matter given below is copyright protected and should be used for practice.
1. Hidden lines are drawn as
(a) dashed narrow lines
(b) dashed wide lines
(c) long-dashe
Geology Engineering Mechanics Model Test Paper
Geology Engineering Mechanics Model Test Paper
Earth Science Sample Questions
Q.1. The power output of a 10 : 1 scale model of hydro
turbine is measured
General Michell Solution in Polar Coordinates
[Reference: The solution is adopted from the book on Introduction to Continuum
Mechanics by W. M. Lai, D. Rubin, and E. Krempl]
Let the solution for bihar
General Solution to Axisymmetric Problem
[Reference: The solution is taken from the book on Introduction to Continuum Mechanics by W. M. Lai, D. Rubin, and E. Krempl]
The problem is said to be axisymm
Why thin geometry for plane stress problem?
A. Narayana Reddy
References:
[1] S. P. Timoshenko and J. N. Goodier, Theory of elasticity, Third edition, Tata McGraw
Hill Education Private Limited, New D
Gradient of scalar and vector fields
A. Narayana Reddy
Gradient of scalar field:
Let be a salar field. Consider x and y be variables in rectangular Cartesian coordinate
frame. Also r and be variables
Stress Function and Displacement Approaches to
Rotating Disc/Cylinder Problem
Stress function approach:
In rotating disc or cylinder problem body force due to centrifugal force should be accounted. Th