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AEROMAG Corporation: Pioneering Hybrid Renewable Energy Systems

AEROMAG specializes in wind, solar, and micro hydroelectric systems, promoting off-grid living. The Lakota CAET team aims to retrofit the Lakota wind turbine for compressed air energy storage projects. Design focuses on compressor selection, shaft coupling, and aesthetic standards. Functional requirements include wind speed resilience, while nonfunctional requirements emphasize cost efficiency and eco-friendliness. The project involves retrofitting existing components and implementing a maintenance plan for long-term durability. Using the Gast 1534 compressor, the team ensures reliable performance with oil-less operation and compact design.

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AEROMAG Corporation: Pioneering Hybrid Renewable Energy Systems

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  1. LAKOTA CAET TEAM Erich Vaughan Ryan Adams Brandon Gerber Jonah Lindner Faculty Advisor: Dr. Earl Duque College of Engineering and Technology Capstone Design Presentation April 26, 2002

  2. AEROMAG Corporation “A next generation wind turbine generator and solar energy company specializing in hybrid renewable energy systems and components.” AEROMAG Specializes in: Helping you get off the grid But how? • Wind Energy Systems • Solar Energy Systems • Micro Hydroelectric Systems Lakota CAET Team Capstone Design Presentation

  3. Executive Summary AEROMAG Corporation of Prescott Valley, AZ requires a working model of a Lakota Compressed Air Energy Turbine (CAET). Lakota is an existing wind turbine, which will be retrofitted to power a compressor. Lakota CAET is the compressor and Lakota combination. Lakota CAET facilitates compressed air energy storage via a ground level pressure vessel for a variety of applications. Lakota CAET Team Capstone Design Presentation

  4. What is CAET? C OMPRESSED A IR E NERGY T URBINE Lakota CAET Team Capstone Design Presentation

  5. Air-Lift Water Pump Water Out Compressed Air In Lakota CAET Team Capstone Design Presentation

  6. Air-Lift Water Pump Application PUMP Lakota CAET Team Capstone Design Presentation

  7. Pond Aeration Lakota CAET Air-line Aeration Stone Lakota CAET Team Capstone Design Presentation

  8. Soil Sparging Lakota CAET Team Capstone Design Presentation

  9. State of the Art Current Compressed Air Energy Turbines Bowjon Rancher Airlift Technologies Lakota CAET Team Capstone Design Presentation

  10. Lakota Profile Lakota CAET Team Capstone Design Presentation

  11. Lakota Detail Face Plate Housing Nose Cone Yaw Lakota CAET Team Capstone Design Presentation

  12. Furled Turbine Wind Furling Springs Lakota CAET Team Capstone Design Presentation

  13. Deliverables/Scope of Work • Select Compressor and Seal • Design/Analyze – Compressor Housing, Yaw • Assembly, & Shaft • Develop Bench Test Procedure • Produce Final Drawings (AutoCAD R14) • AEROMAG Machines Parts needed for CAET Prototype • Build and Bench Test Prototype Lakota CAET Team Capstone Design Presentation

  14. Functional Requirements • Compressor geometry must not interfere with furling or flow • characteristics • Compressed air transport must be incorporated into yaw • assembly • Compressed air will be stored in pressure vessel • Pressure vessel must exhaust excess air pressure • 6 mph cut-in speed • Survive wind speeds up to 120 mph • Obtain maximum power between 8-9 mph Lakota CAET Team Capstone Design Presentation

  15. Nonfunctional Requirements • Must utilize as much existing material as possible • Design must meet AEROMAG’s aesthetic standards • Design must be economically viable • Ten year design life with one scheduled maintenance action • Manufacturing drawings must utilize metric dimensions Lakota CAET Team Capstone Design Presentation

  16. Retrofit of Existing Castings/Components • Compressor and Seal Integration • Shaft Coupling • Machine Design / FE Model • Manufacturing Drawings Lakota CAET Team Capstone Design Presentation

  17. Compressor Selection • Oil-less • One maintenance action every 5 years • Size Constraints • Overall length < 6 in. • Weather Resistance (possible marine applications) • Availability Lakota CAET Team Design Review Presentation

  18. Gast 1534 Compressor Lakota CAET Team Capstone Design Presentation

  19. Features of Gast 1534 • Oil-less • Rotary Vane • Rugged construction/low maintenance • Design life of approximately 10,000 hours • 2.2 cfm at 0 psi, 2 cfm at 10 psi • 5000 rpm operating range • Compact size (4.05”L x 3.62”W x 3.52”H) • Light weight (3 lbs.) • Counter-Clockwise rotation Lakota CAET Team Capstone Design Presentation

  20. Lakota CAET Shaft Lakota CAET Team Capstone Design Presentation

  21. Lakota CAET Compressor Housing Front View Side View Back View Lakota CAET Team Capstone Design Presentation

  22. Lakota CAET Yaw Housing Lakota CAET Team Capstone Design Presentation

  23. Lakota CAET Yaw Housing Bushing Seal Lakota CAET Team Capstone Design Presentation

  24. Lakota CAET Yaw Shaft Stainless Steel Sleeve Lakota CAET Team Capstone Design Presentation

  25. Lakota CAET Prototype Flange Front View Side View Lakota CAET Team Capstone Design Presentation

  26. 3D Yaw Housing Model Lakota CAET Team Capstone Design Presentation

  27. Finite Element Model Lakota CAET Team Capstone Design Presentation

  28. Finite Element Model Lakota CAET Team Capstone Design Presentation

  29. Lakota CAET Assembly In Standard Operating Position Lakota CAET Team Capstone Design Presentation

  30. Furled Lakota CAET Assembly Lakota CAET Team Capstone Design Presentation

  31. Redesign of Furling Mechanism • Eliminate bumper stop • Incorporate steel • cable inside springs Cable attaches here Lakota CAET Team Capstone Design Presentation

  32. Bench Test Schematic RPM Digital Scale DC Motor Lakota CAET Team Capstone Design Presentation

  33. Torque vs. RPM Curves Lakota CAET Team Capstone Design Presentation

  34. Out of House Components Lakota CAET Team Capstone Design Presentation

  35. LAKOTA CAET TEAM Lakota CAET Team Capstone Design Presentation

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