JNTUK R20 B.Tech Mechanical 2-2 Dynamics of Machinery Material/ Notes PDF Download

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JNTUK R20 B.Tech Mechanical 2-2 Dynamics of Machinery Material/ Notes PDF Download: JNTUK R20 B.Tech Mechanical 2-2 Dynamics of Machinery Material provides comprehensive notes and study resources for students. It covers topics such as analyzing forces in clutches, brakes, and dynamometers involving friction, understanding the effect of a gyroscopic couple in motorcycles, airplanes, and ships, and learning about static and dynamic force analysis of four-bar and slider crank mechanisms. Additionally, it includes studying turning moment diagrams of reciprocating engines, designing flywheels, and methods for balancing rotary and reciprocating masses.

The JNTUK R20 B.Tech Mechanical 2-2 Dynamics of Machinery Notes also covers vibrations and their importance in engineering design. Students can easily download the JNTUK R20 B.Tech Mechanical 2-2 Dynamics of Machinery material in PDF format for their studies.

JNTUK R20 B.Tech Mechanical 2-2 Dynamics of Machinery Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Dynamics of Machinery Material

Friction: Inclined plane, the friction of screw and nuts, pivot and collar, uniform pressure, uniform wear, friction circle, and friction axis: lubricated surfaces, boundary friction, film lubrication.

Clutches: Friction clutches- single disc or plate clutch, multiple disc clutch, cone clutch, centrifugal clutch.

Brakes and Dynamometers: Simple block brakes, internal expanding brake, band brake of vehicle. General description and operation of dynamometers: Prony, Rope brake, Epicyclic, Bevis Gibson and belt transmission,

Unit 2 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Dynamics of Machinery Material

Static and Dynamic Force Analysis: Dynamic force analysis of four bar mechanism and slider crank mechanism, inertia torque, angular velocity and acceleration of connecting rod, crank effort

Turning Moment Diagrams: Turning moment diagrams – fluctuation of energy – flywheels and their design.

Unit 3 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Dynamics of Machinery Material

Precession: Gyroscopes, the effect of precession motion on the stability of moving vehicles such as motor cars, motorcycles, airplanes, and ships.

Governors: Watt, porter and propeller governors, spring-loaded governors – Hartnell and Hartung with auxiliary springs. sensitiveness, isochronism, and hunting.

Unit 4 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Dynamics of Machinery Material

Balancing: Balancing of rotating masses single and multiple – single and different planes, using analytical and graphical methods. Primary, secondary, and higher balancing of reciprocating masses. analytical and graphical methods, unbalanced forces and couples – examination of “V” multi-cylinder in line and radial engines for primary and secondary balancing, locomotive balancing, hammer blow, swaying couple, variation of tractive effort.

Unit 5 Syllabus PDF Download | JNTUK R20 B.Tech Mechanical Dynamics of Machinery Material

Vibrations: Free Vibration of spring-mass system –Natural frequency types of damping – damped free vibration, Simple problems on forced damped vibration, vibration isolation and transmissibility transverse loads, vibrations of beams with concentrated and distributed loads. Dunkerly’s methods, Raleigh’s method, whirling of shafts, critical speeds, torsional vibrations, two and three-rotor systems.

JNTUK R20 B.Tech Dynamics of Machinery Material – Outcomes

• Calculate frictional losses and transmission in clutches, brakes, and dynamometers.
• Understand the impact of a gyroscopic couple in motor vehicles, ships, and airplanes.
• Analyze forces in four-bar and slider crank mechanisms and design flywheels.
• Determine the rotary unbalanced mass in reciprocating equipment.
• Calculate unbalanced forces and couples in reciprocating and radial engines and find natural frequencies of systems experiencing longitudinal, torsional, and transverse vibrations.

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