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Proposed 21 st Century Models for Automotive Prime Movers

Proposed 21 st Century Models for Automotive Prime Movers. P M V Subbarao Professor Mechanical Engineering Department. Better Evolved Models for Artificial Horses…. Effect of 20 th Century innovations of Artificial Horse on Urban Roads. Ecological Complaints against Artificial Horses.

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Proposed 21 st Century Models for Automotive Prime Movers

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  1. Proposed 21st Century Models for Automotive Prime Movers P M V Subbarao Professor Mechanical Engineering Department Better Evolved Models for Artificial Horses….

  2. Effect of 20th Century innovations of Artificial Horse on Urban Roads

  3. Ecological Complaints against Artificial Horses

  4. Sankey diagram for Light Vehicles

  5. Pune Urban Drive Cycle

  6. Advantage of Micro Hybrid Prime Movers 1204.1kJ

  7. 21st Century Design Conditions & Constraints How to Recognize an Eco-friendly Artificial Horse??? How to Design Anatomy of an Eco-friendly Artificial Horse???

  8. Proposed Models for Anatomy of Future Artificial Horses in Y2k

  9. The Type of Prime Mover for Light Vehicle Sales in Two Decades

  10. Next generation Light Vehicle Engines

  11. On the Road in 2020

  12. Power Requirements of A Vehicle Estimate the Required Capability of Artificial Horse….

  13. Animal Driven Vehicles

  14. Cycle Work to be done by an Engine Directly Powering the Vehicle The Powering Torque for a vehicle is: rwheel= Wheel Rolling Radius (meters) The speed of the vehicle in km/h is: Ideal capacity of Powering Engine: Ideal cycle work of to be provided by A Powering Engine:

  15. Modern Cars are not Directly Driven!?!?!

  16. Forces To be Overcome by an Automobile

  17. Resistance Forces on A Vehicle • The major components of the resisting forces to motion are comprised of : • Acceleration forces (Faccel= ma & I forces) • Aerodynamic loads (Faero) • Gradeability requirements (Fgrade) • Chassis losses (Froll resist ).

  18. Aerodynamic Force : Flow Past A Bluff Body Composed of: • Turbulent air flow around vehicle body (85%) • Friction of air over vehicle body (12%) • Vehicle component resistance, from radiators and air vents (3%)

  19. Aerodynamic Resistance on Vehicle Dynamic Pressure: Drag Force: Aero Power

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