1. The Sky’s the Limit: Monitoring the Earth’s Radiation Balance with Active Cavity Radiometers Team 10 Engineering 339 12/6/04

2. Team Members Aaron Buys John Vander Weide Llian Breen

3. Outline Project Review Design Norms Challenges Progress Changes

4. Proposed Solution Radiation measurement with an ACR VS. SatelliteWeather Balloon

5. ACR Design – Revised Block Diagram Cavity Earth Thermistor Battery Radiosonde Transmitter ReceiverComputer Heater ControlsSet Point Current and Volt Meter

6. ACR Design – Section View

7. Design Norms Stewardship Transparency Cultural Appropriateness

8. Progress and Changes First prototypes have proved successful Work with Intermet Part Ordering FEA/CAD modeling Shutter progress

9. Challenges Overcome  Price of certain goods  Controls  Completely new radiosonde interface Ongoing  Software Needs  Aaron and John are geniuses

10. Questions?