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Curriculum Reform of the Mechanical Engineering Program The City College of New York

Curriculum Reform of the Mechanical Engineering Program The City College of New York. Supported by National Science Foundation in collaboration with ASME. Principal Investigator:. Feridun Delale. Co-Principal Investigators:. Gary Benenson Latif Jiji

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Curriculum Reform of the Mechanical Engineering Program The City College of New York

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  1. Curriculum Reform of the Mechanical Engineering ProgramThe City College of New York Supported by National Science Foundation in collaboration with ASME Principal Investigator: Feridun Delale Co-Principal Investigators: Gary Benenson Latif Jiji James Hommonds Tom Perry (ASME)

  2. OBJECTIVES • Incorporation of emerging technologies • Introduction of new teaching and learning strategies • Improving recruitment and Retention • APPROACH • Review objectives and contents of all courses • Elimination of courses • Introduction of new courses • Modify contents of existing courses • Adopt: successful teaching, learning, recruitment, and retention strategies

  3. NEW TECHNOLOGIES • Biotechnology • Advanced Materials • Micro and Nano Technology • Computer Aided Engineering • Non-traditional Energy • TEACHING AND LEARNING STRATEGIES • Cooperative learning • Project-based learning • Research methods • Independent learning • Experiments: • Hands-on laboratory experiments • Home experiments

  4. COLLABORATION WITH ASME • Incorporation of ASME Professional Practice Curriculum Modules into the ME curriculum • Effective Teaching Workshop • Industry Advisory Board • Dissemination

  5. EXAMPLE OF COURSE MODIFICATION: HEAT TRANSFER • 3 credits • Conduction, Convection and Radiation

  6. MODIFICATION CRITERIA • NEW TOPICS ADDED: • Conduction with phase change • Home experiment: Freezing of water • Heat transfer in living tissue • Convection in microchannels

  7. CONDUCTION WITH PHASE CHANGE • Simplified Model: Quasi-steady Approximation • Criterion: Small Stefan number • Governing equations:

  8. Interface energy equation: • Applications • Freezing of steak: • Thawing of an apple: • Freezing of deep lake:

  9. Home Experiment: Freezing of Water • Measure frozen layer thickness xi during time to • Compare with theoretical prediction

  10. (2) HEAT TRANSFR IN LIVING TISSUE • Vascular Architecture and Blood Flow • Pennes Bioheat Equation

  11. Applications • Temperature Distribution in the Palm • Fin Approximations in Tissue Heat Transfer • (i) The dinosaur Stegosaurus

  12. (ii) The elephant ear (ii) The rat tail

  13. The fin equation • Tissue freezing: Cryosurgical probes

  14. (3) CONVECTION IN MICROCHANNELS • Knudsen number Kn • Classification • Boundary conditions • Velocity slip

  15. Temperature jump • Applications: • (1) Couette flow

  16. Governing equations: • Velocity: • Temperature: (2) Fully Developed Poiseuille flow: Uniform surface flux

  17. Determine: • Velocity distribution • Pressure distribution • Mass flow rate • Nusselt number

  18. (3) Fully Developed Poiseuille flow: Uniform surface temperature

  19. ELIMINATED TOPICS • Two-dimensional conduction • Blasius solution and Pohlhausen’s solution • Details of correlation equations • Radiation in multi-surface enclosures

  20. CONCLUSIONS • Should course contents be changed? YES • Can it be done? YES • How? • Carefully Eliminate topics • Use time efficiently: • Use PowerPoint lectures, minimize blackboard use • Explain assigned homework, spend less time going over problems, post solutions • Is it easily done? NO • What does it take? RESOURCES

  21. ACKNOWLEDGEMENT • This project was supported by the National Science Foundation • under NSF Grant No. 0343154.

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