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Team KiloWatt

Team KiloWatt. A Lot of Heat A Lot of Power. Introduction. Team Members Jeffrey Kung Richard Sabatini Steven Ngo Colton Filthaut. Faculty Advisor Jim Mohrfeld Richard Sabatini Steven Ngo Colton Filthaut. Industry Advisor Craig Kinzelman ( Stirling Technology Inc. )

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Team KiloWatt

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  1. Team KiloWatt A Lot of Heat A Lot of Power

  2. Introduction Team Members • Jeffrey Kung • Richard Sabatini • Steven Ngo • Colton Filthaut Faculty Advisor • Jim Mohrfeld Richard Sabatini Steven Ngo Colton Filthaut Industry Advisor • Craig Kinzelman(Stirling Technology Inc.) Richard Sabatini Steven Ngo Colton Filthaut Underclassmen • Walter Campos

  3. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  4. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  5. Goals • To have a working Stirling Engine that will serve as a portable generator capable of producing 2.5 kWh • To be able to run multiple common household appliances simultaneously

  6. Household Appliances • Appliances (average): • Refrigerator/Freezer = Start up 1500 Watts • Operating = 500-800 watts • Hot plate = 1200 Watts • Toaster oven = 1200 Watts • Space heater = 1500 Watts • Air Conditioner (5,000 BTUH room unit) = 900 Watts • Lights = Most common are 60 watt light bulbs. • Most rooms/areas on breaker boxes consist of 4-5 light bulbs => 240-300 Watts • Tools (average): • ¼” drill = 250 Watts • ½” drill = 750 Watts • 1” drill = 1000 Watts • Electric Chain Saw 11”-16” = 1100-1600 Watts • 7-1/4” Circular Saw = 900 Watts

  7. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  8. Background • Created by Robert Stirling in 1816 • His brother, James Stirling, created a Stirling Engine that powered a foundry • ASE- Automotive Stirling Engine • Program created by NASA and the United States Department of Energy • Incorporated in many submarine applications • Propulsion system • Very quiet • Increased efficiency

  9. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  10. How it Works • The displacer cylinder is heated by an external heat source • The working gas expands in the cylinder creating pressure resulting in movement of the displacer • The working gas forces the displacer in both directions • The cylinder with the power piston compresses and contracts with the change in temperature • This is due to the rejected heat leaving the system through convection • The system restarts this cycle

  11. Generator Flow

  12. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  13. Alpha • Enclosed system with two cylinders that has corresponding pistons which compress and contract with change in temperature

  14. Beta • One cylinder system that encloses one piston and displacer

  15. Gamma • Similar to the Beta but with two cylinders that have a chamber which funnels working gas into the power piston cylinder

  16. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  17. Previous Attempts • Team Gamma • 2010 • Team Alpha Force • 2011

  18. Pros and Cons

  19. Choice of Configuration • Gamma • Cost efficient • No seal required in the displacer cylinder • More versatile with its design • Easy to isolate the cold and hot pistons

  20. Working Gas

  21. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  22. Industry Products • Small Market (Multi-Application) • Largest Market WhisperGen (1 kW) MM-7 (0 kW)

  23. Industry Products (Continued) • Very Small to non- existent market • All designs are singularly produced and fabricated • Relatively Large Market PowerUnit (43 kW) Genoa StirlingEngine (3 KW)

  24. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  25. Cost Analysis

  26. Cost Comparison- Stirling Generator vs. Gas Generator

  27. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  28. WBS

  29. Semester Gantt Chart

  30. Agenda • Goals • Background • What is it/How it Works • Different Types (Alpha, Beta, Gamma) • Choice of Design Parameters • Industry Products • Cost Analysis • WBS/Gantt Chart • Risk Matrix

  31. Risk Matrix

  32. Questions?

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