Course Details
Subject {L-T-P / C} : ME4172 : Design Engineering Laboratory { 0-0-2 / 1}
Subject Nature : Practical
Coordinator : Prof. Tarapada Roy
Syllabus
Module 1: Modern experimental stress analysis techniques to measure strains and stresses in engineering components and structures, strain gage measurements and analysis, design of strain gage-based transducers, photoelasticity, and stress analysis
Module 2: Introduction, mechanism of formation of Moire fringes, the geometrical approach to Moire-Fringe analysis, displacement field approach to Moire-Fringe analysis
Module 3: Introduction Polariscope – Plane and circularly polarized light, Bright and dark field setups, Isochromatic Fringe Patterns
Module 4: Gyroscopes, effect of precession motion on the stability, : Balancing of rotating masses single and multiple – single and different planes, use analytical and graphical methods
Module 5: Study and Experiment of abrasive wear behavior of different materials using pin-on-disc type tribotester, Study and Experiment of Solid Particle impact wear behavior of materials and Composites with respect to different operating parameters.
Course Objectives
- To recognize the various techniques available to measure the stress andStrains using different sources
- To realize the working of recording instruments and data logging methods and distinguish the principles of photo elasticity in two dimensional stress analyses
- To equip the student with fundamental knowledge of dynamics of machines so that student can appreciate problems of dynamic force balance
- To provide the knowledge and importance of Tribology in Design, friction, wear and lubrication aspects of machine components
Course Outcomes
Upon completion of this course the student will be able to: <br />CO1: Understand the overall concepts of stress/strain analysis by experimental means. <br />CO2: Familiar with the theory and practice of common experimental stress analysis including moire methods, photo elasticity <br />CO3: Understand balancing of reciprocating and rotary masses <br />CO4: Understand determination of resonance frequency <br />CO5: Design and test materials for Tribological applications
Essential Reading
- B.C.Majumdar, Introduction to Tribology of Bearings, S Chand and Company
- Dr. Sadhu Singh, Experimental stress analysis, Khanna Publishers , New Delhi, 1996
Supplementary Reading
- G.S. Holister, Experimental stress analysis principles and methods, Cambridge university press , 1967
- Shiegly, Theory of Machines, MGH