course outline
TRANSCRIPT
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Mekelle University
Ethiopian institute of technology-mekelle
Mechanical engineering department
Course name: Mechanism and Theory of Machineries course code: Meng 305
Instructor: Tadesse G. year: 3
Course Objectives
Objective of the course is to develop understanding of basic principles of mechanisms as applied in Mechanical Engineering. Students should be able to discuss the principles and basic differences between analysis and synthesis of mechanisms, which are the building blocks of machines. At the end of this course the student should be adequately equipped to understand the basic theoretical principles of mechanisms as required by an engineer in the industry.
Student Learning Outcome
Understanding the basic principles of mechanisms. Understanding the different mechanisms. Enabling students to analyzing different simple mechanisms
Course content1. Introduction to Mechanisms and Theory of Machines
Introduction Basic Definitions Common Mechanisms
2. Velocity and Acceleration Analysis of Plane Mechanisms Velocity analysis of plane mechanisms Acceleration analysis of plane mechanisms
3. Cam Design Introduction Geometrical Design of Cam profiles and Cam mechanisms Analytical Design of Cam profiles and Cam Mechanisms
4. Universal Joints Velocity ration of shafts Polar angular velocity diagram Coefficient of speed fluctuation Angular acceleration of driven shafts Double hooke’s joint
5. Governors The Porter Governor The Preol Governor The Hartnell Governor
6. Gear trains Angular velocity ratio Type of gear train Methods of analysis of planetary gear trans Automotive differential
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7. Force Analysis of Machinery Inertia force and Inertia torque Linkage force analysis Engine force analysis Gas forces Cam forces
8. Flywheels Flywheel size Engine output torque
9. Balancing of Rotating and Reciprocating Masses Static balance Dynamic balance Balancing of different masses
Assessment
Mid-term examination Final examination Continues assessments
Reference 1. Theory of Machines & Mechanisms, Joseph E. Shigley, John J Uicker.JR, 2nd edition., 1995 2. Design of Machinery, Robert L, Norton, 2nd edition, 2001 3. Mechanisms of Machinery, Alem Bazezew, Addis Ababa University, July 20014. Robert L. Norton, Design of Machinery (Mcgraw-Hill Series in Mechanical Engineering),
May 2, 20035. John J. Uicker, Gordon R. Pennock, and Joseph E. Shigley, Theory of Machines and
Mechanisms, Jan 8, 2003Arthur G. Erdman, George N. Sandor, Sridhar Kota, and Arthur G Erdman, Mechanism Design: Analysis and Synthesis (4th Edition), May 15, 2001.