Video Lecture Dynamic Of Machinery(DOM)

Faculty: Anup Goel Video Duration: 94Hrs Size: 46GB.
Faculty: Anup Goel
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₹ 4,999
₹ 4,499

Demo Lecture

   

Dynamic Of Machinery (DOM) Video Lectures Syllabus

Unit - I Balancing (Chapters - 1, 2)

Static and dynamic balancing, Balancing of rotating masses in single and several planes, Primary and secondary balancing of reciprocating masses, Balancing in single cylinder engines, Balancing in multi-cylinder in-line engines, Direct and reverse cranks method-Radial and V engines.

UNIT - II Single Degree of Freedom Systems - Free Vibration (Chapters - 3, 4)

Fundamentals of vibration : Elements of a vibratory system, Vector representation of S.H.M., Degrees of freedom, Types of vibration, Natural frequency, Equivalent springs, Modeling of a system, Formulation of equation of motion by equilibrium and energy methods.

Undamped free vibrations : Natural frequency for longitudinal, Transverse and torsional vibratory systems.

Damped free vibrations : Different types of damping, Free vibrations with viscous damping - Over damped, Critically damped and under damped systems, Initial conditions, Logarithmic decrement, Introduction to equivalent viscous damping, Dry friction or coulomb damping - Frequency and rate of decay of oscillations.

UNIT - III Single Degree of Freedom Systems - Forced Vibrations (Chapters - 5, 6)

Forced vibrations of longitudinal and torsional systems, Frequency response to harmonic excitation, Excitation due to reciprocating and rotating unbalance, Base excitation, Magnification factor, Resonance phenomenon and phase difference, Quality factor. Critical speed of shaft having single rotor of undamped systems.

UNIT - IV Two Degree of Freedom Systems - Undamped Vibrations (Chapters -7, 8)

Free vibration of spring coupled systems - Longitudinal and torsional, Natural frequency and mode shapes, Eigen value and Eigen vector by matrix method, Geared systems. Introduction to physical and mathematical modeling : Bicycle, Motor bike and quarter car.

UNIT - V Measurement and Control of Vibration (Chapters - 9, 10)

Force and motion transmissibility, Vibration measuring devices, Accelerometers, Impact hammer, Vibration shaker- Construction, Principles of operation and uses, Vibration analyzer, Analysis of vibration spectrum, Standards related to measurement of vibration and accepted levels of vibration. Introduction to control of vibration, Vibration control methods, Passive and active vibration control reduction of excitation at the source, Control of natural frequency, Vibration isolators, Tunned dynamic vibration absorbers, Introduction to torsional damper.

UNIT - VI Introduction to Noise (Chapter - 11)

Fundamentals of noise sound concept, Decibel level, White noise, Weighted sound pressure level, Logarithmic addition, Subtraction and averaging, Sound intensity, Noise measurement, Sound fields, Octave band, Sound reflection, Absorption and transmission, Pass-by-noise, Reverberation chamber, Anechoic chamber, Human exposure to noise and noise standards.

Demo Lecture

   

Dynamic Of Machinery (DOM) Video Lectures Syllabus

Unit - I Balancing (Chapters - 1, 2)

Static and dynamic balancing, Balancing of rotating masses in single and several planes, Primary and secondary balancing of reciprocating masses, Balancing in single cylinder engines, Balancing in multi-cylinder in-line engines, Direct and reverse cranks method-Radial and V engines.

UNIT - II Single Degree of Freedom Systems - Free Vibration (Chapters - 3, 4)

Fundamentals of vibration : Elements of a vibratory system, Vector representation of S.H.M., Degrees of freedom, Types of vibration, Natural frequency, Equivalent springs, Modeling of a system, Formulation of equation of motion by equilibrium and energy methods.

Undamped free vibrations : Natural frequency for longitudinal, Transverse and torsional vibratory systems.

Damped free vibrations : Different types of damping, Free vibrations with viscous damping - Over damped, Critically damped and under damped systems, Initial conditions, Logarithmic decrement, Introduction to equivalent viscous damping, Dry friction or coulomb damping - Frequency and rate of decay of oscillations.

UNIT - III Single Degree of Freedom Systems - Forced Vibrations (Chapters - 5, 6)

Forced vibrations of longitudinal and torsional systems, Frequency response to harmonic excitation, Excitation due to reciprocating and rotating unbalance, Base excitation, Magnification factor, Resonance phenomenon and phase difference, Quality factor. Critical speed of shaft having single rotor of undamped systems.

UNIT - IV Two Degree of Freedom Systems - Undamped Vibrations (Chapters -7, 8)

Free vibration of spring coupled systems - Longitudinal and torsional, Natural frequency and mode shapes, Eigen value and Eigen vector by matrix method, Geared systems. Introduction to physical and mathematical modeling : Bicycle, Motor bike and quarter car.

UNIT - V Measurement and Control of Vibration (Chapters - 9, 10)

Force and motion transmissibility, Vibration measuring devices, Accelerometers, Impact hammer, Vibration shaker- Construction, Principles of operation and uses, Vibration analyzer, Analysis of vibration spectrum, Standards related to measurement of vibration and accepted levels of vibration. Introduction to control of vibration, Vibration control methods, Passive and active vibration control reduction of excitation at the source, Control of natural frequency, Vibration isolators, Tunned dynamic vibration absorbers, Introduction to torsional damper.

UNIT - VI Introduction to Noise (Chapter - 11)

Fundamentals of noise sound concept, Decibel level, White noise, Weighted sound pressure level, Logarithmic addition, Subtraction and averaging, Sound intensity, Noise measurement, Sound fields, Octave band, Sound reflection, Absorption and transmission, Pass-by-noise, Reverberation chamber, Anechoic chamber, Human exposure to noise and noise standards.

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