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Air Handler System Model

Kyle Loo Home Institution: University of Hawaii @ Manoa 2008 Akamai internship at Submillimeter Array (SMA) Mentor: Billie Chitwood. Air Handler System Model. SMA Project Description Background Design Construction Test Conclusion Acknowledgments. Outline. Submillimeter Array.

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Air Handler System Model

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  1. Kyle Loo Home Institution: University of Hawaii @ Manoa 2008 Akamai internship at Submillimeter Array (SMA) Mentor: Billie Chitwood Air Handler System Model

  2. SMA Project Description Background Design Construction Test Conclusion Acknowledgments Outline

  3. Submillimeter Array • 8 movable antennas • Detects light colors • 0.3 – 1.7 mm Wavelengths • Air Handler • Constant Temperature • 2 Valves • Cold & Recirculation • 4 of the 8 antennas are upgraded currently

  4. Design and Build smaller Air Handler and cabin for testing purposes Design Requirements: Accurately simulate Air Handler Use main components Be operated by original software Purpose: Use as a test model Debug Saves time Project Description :

  5. Background

  6. First Design: Second Design: Preliminary Designs:

  7. Air Handler Design

  8. System

  9. Fabrication • Air Handler/Mixing Box • Two 4 inch Intakes holes • 2.5 inch Rear exhaust which enters into the Cabin

  10. Heater Installation Temperature sensors Solid State Relay Heater

  11. Modification of Intake Valves • 4 inch dryer vent • Enlarge one axle hole • Damper motor turns 3/5 inch round bar • Notched at one end to hold valve in place when operating

  12. Shop Vac Modification • Universal Motor • Able to use voltage regulator to control speed • 4 inch adapter on the exhaust side to be able to match with 4 inch intake valves • Temperature and Humidity Sensors

  13. Final Assembly

  14. Air Handler Hardware Test

  15. Test/Data Analysis • Stable after one and half hours

  16. Conclusion • Air Handler Model • Used for testing purposes • Useful for future hardware and software upgrades • Great Experience • Design • Fabricate • Test

  17. Acknowledgments • I would like to thank the following: • Mentor – Billie Chitwood • John Cheng, Kevin O’Cconnell, and Mac Cooper. • All of the SMA staff for using their tools, material, and facilities. • Lynne Raschke, Lisa Hunter, Sarah Anderson, Hilary O’Bryan, Scott Seagroves and the rest of the CfAO staff . • All the Akamai Interns Funding provided through the Center for Adaptive Optics, a National Science Foundation Science and Technology Center (STC), AST-987683

  18. Thank You!

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