Hyper car sukumar reddy poli
- 3. HYPER CAR 3 CONTENTS •WHAT IS HYPER CAR ? • DRIVE SYSTEMS •FUEL EFFICIENCY •ULTRA-LIGHT •LOW DRAG AERODYNAMIC DESIGN •ROLLING RESISTANCE •HYBRID ELECTRIC DRIVE •HYPER SAFETY •ECONOMIC ASPECTS : LOSERS •ADVANTAGES •DISADVANTAGES
- 4. HYPER CAR 4 Ultra-light , Low-Drag, Hybrid-Electric Vehicle (HEV) 2 Sources of energy: 1. Fuel cells, gas turbines, diesels, lean burn gasoline engines 2. Flywheels, batteries, ultra-capacitors 2 Drive trains 1. Internal Combustion Engine- gas or alt. fuels 2. Battery driven electric What is a Hyper car?
- 5. Conventional Internal combustion engine coupled to wheels through the transmission, driveshaft, etc. Hybrid-Electric Engine (or other power source) generates electricity from fuel, which then powers electric motors that turn the wheels HYPER CAR 5 DRIVE SYSTEMS
- 6. Fuel Efficiency HYPER CAR 6 FUEL EFFICIENCY
- 7. HYPER CAR 7 Six Main Sources of Energy Loss in a Conventional Car:
- 8. HYPER CAR 8 Hyper car Strategies to Reduce Energy Losses Ultra-light 1. 1994 Average U.S. Passenger car 1439 kg 2. 2000-2005 Hyper car (4-5 seat) 521 kg Low Aerodynamic Drag Hybrid-Electric Drive system Efficient Accessories
- 9. Ultra-light Composites Embed strong reinforcing fibers in a supporting "matrix" of polymer Advanced Composites Long or continuous reinforcing fibers such as carbon or aramid (kevlar) in addition to glass . HYPER CAR 9 ULTRA-LIGHT
- 10. GM’s 1991 Ultra-lite Concept Car HYPER CAR 10
- 11. Mass Decompounding HYPER CAR 11 EXAMPLE OF HYPER
- 12. Low-Drag Aerodynamic Design HYPER CAR 12 LOW DRAG AERODYNAMIC DESIGN Smooth underbody Low-angle windshields Tapered rear end Minimized body seams Aerodynamically designed air intakes, suspension, and wheel wells Result: 40-50% decrease in drag
- 13. Rolling Resistance HYPER CAR 13 ROLLING RESISTANCE 1/3 engine output lost Solution 1. lightweight car 2. tire improvements 3. improved wheel bearing and brake design Reduction in rolling resistance by 50-80%
- 14. Hybrid-Electric Drive HYPER CAR 14 HYBRID ELECTRIC DRIVE Series 1. Engine with generator to supply electricity for battery pack and electric motor 2. No mechanical connection 3. Power transferred electrically to wheel motor
- 15. Hybrid-Electric Drive Parallel Direct mechanical connection between hybrid power unit and wheels Electric motor drives the wheels Example HYPER CAR 15 HYBRID ELECTRIC DRIVE
- 16. Hybrid-Electric Drive HYPER CAR 16 Generate electricity from the fuel, powers wheel motors Electric motors can recover part of the braking energy Wheel Motor HYBRID ELECTRIC DRIVE
- 17. Hybrid-Electric Drive HYPER CAR 17 • Large decrease in engine size • reduces weight, cost, fuel consumption • Drive system efficiency doubled HYBRID ELECTRIC DRIVE
- 18. Efficient Accessories HYPER CAR 18 Avoid heat buildup by using: Insulation, special heat-reflecting glass, solar-powered vent fans Innovative cooling and dehumidification systems Improved headlights and taillights More efficient electronics and interior lighting systems EFFICIENT ACCESSORIES
- 19. HYPER CAR 19 Hyper car
- 20. Hypercar Safety Advanced composites Smaller propulsion system Room at both ends of the car for materials dedicated to crash energy management Front and side airbags, harnesses with pretensioners and stress-limiters, padding, active headrests HYPER CAR 20 HYPER SAFETY
- 21. Toyota’s Hybrid-Electric Prius Sedan Japanese market for one year Not ultralight (weighs 330 lbs. more) 66 miles per gallon Emissions reduced to 1/10th the Japanese legal requirement U.S. market year 2000 HYPER CAR 21
- 22. Economic Impacts: HYPER CAR 22 ECONOMIC ASPECTS : LOSERS Losers Iron and steel industries (a Hyper car has 92% less iron and steel) Heavy machine tool Oil for motor fuel Automotive fluids and lubricants
- 23. Advanced Composite Materials HYPER CAR 23 - 50-65% reduction in weight - Crashworthy - Design Flexibility - Durability - Manufacturing ADVANTAGES
- 24. Advanced Composite Materials HYPER CAR 24 DISADVANTAGES
- 25. HYPER CAR 25
- 26. HYPER CAR 26