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Micro turbines

simple ppt of micro turbine

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Micro turbines

  1. 1. CONTENTSCONTENTS Introduction Classification Characteristics curves Challenges Applications Recent developments Conclusion
  2. 2. INTRODUCTIONINTRODUCTION Micro turbines are capable of producing 10 -100 watts of electrical power It has an energy density 10 times than existing batteries. It can be used in power generation applications like space vehicles, electronic devices etc…
  3. 3. RADIAL TYPE MICRO TURBINERADIAL TYPE MICRO TURBINE
  4. 4. MICRO AXIAL TYPE TURBINEMICRO AXIAL TYPE TURBINE
  5. 5. TURBINE ROTORTURBINE ROTOR
  6. 6. MECHANICALMECHANICAL CHARACTERISTICSCHARACTERISTICS Torque as function of speed and supply pressure
  7. 7. Mechanical power of the turbine
  8. 8. Efficiency of the turbineEfficiency of the turbine
  9. 9. ELECTRICALELECTRICAL CHARACTERISTICSCHARACTERISTICS Electrical power
  10. 10. Total efficiency
  11. 11. CHALLENGESCHALLENGES • Heat loss due to the high surface to volume ratio • Cooling problems • manufacturing the components (turbine blades) • Generation of thermal stresses • Design of air bearings
  12. 12. APPLICATIONSAPPLICATIONS Remote areas. Space vehicles. Electronic devices. Energy supply for factories, military bases
  13. 13. RECENT DEVELOPMENTSRECENT DEVELOPMENTS Coupling of SOFC to increase the efficiency Use of ceramic for turbine blades
  14. 14. CONCLUSIONCONCLUSION Micro turbine faces unique challenges for combustion in small volume. The principal difficulties are associated with the limited residual time. The micro turbine is in development phase.

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