Lecture 15: Energy Stored in a Flywheel | Maximum Fluctuation of Energy | Flywheel Design | DOM

Energy Stored in a Flywheel | Turning Moment Diagrams | Maximum Fluctuation of Energy | Dimensions of a Flywheel Rim | Dynamics of Machines | DOM

Learning Outcomes: After watching this video, one will be able to:
 Determine (i) mean resisting torque & (ii) maximum fluctuation of energy, from the given turning moment diagram.
 Define the terms: (i) coefficient of fluctuation of speed, and (ii) coefficient of fluctuation of energy.
 Derive the expression for energy stored in a flywheel.
 Determine the dimensions of the flywheel rim for the given data.

Timestamp:
00:00 Context Setting
01:50 Learning Outcomes of this Video Lecture
01:55 Prerequisite Concepts (Key Takeaways from Prev Lecture)
02:48 Use of Turning Moment Diagram in Flywheel Design
03:26 Construction of Turning Moment Diagram
05:11 Determination of Mean Resisting Torque, Tmean
08:38 Determination of Maximum Fluctuation of Energy
12:46 Coefficient of Fluctuation of Energy
13:20 Coefficient of Fluctuation of Speed
14:18 Derivation of Expression for Energy Stored in a Flywheel
19:08 Dimensions of Flywheel Rim
19:41 Key Takeaways from this Video Lecture

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Dr. V. Jayakumar, a passionate teacher, author, academician, career counsellor & mechanical professor, has over 20 years of teaching experience, including seven and a half years in abroad. He has authored 10 text books in topics related to Mechanical Engineering, which have been very well received by the student community and teaching fraternity. Four of his books have been prescribed as Text book or Reference book in various Indian Universities.

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