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BalloonWinds-GroundWinds Project Summary. James M. Ryan University of New Hampshire. Proprietary. Two GroundWinds Instruments. Bartlett, New Hampshire Mauna Loa, Hawaii. Laser 532nm (green) 5W 10Hz pulsed 355nm (UV) 5W 10Hz pulsed
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BalloonWinds-GroundWindsProject Summary James M. Ryan University of New Hampshire Proprietary
Two GroundWinds Instruments Bartlett, New Hampshire Mauna Loa, Hawaii Laser 532nm (green) 5W 10Hz pulsed 355nm (UV) 5W 10Hz pulsed Telescope 1/2 meter f/4 R-C Cassegrain 1/2 meter f/4 R-C Cassegrain. Auto focus, auto alignment Auto focus, auto alignment Etalon system Auto tune Fabry-Pérot etalons Auto tune Fabry-Pérot etalons Proprietary
GWNH Instrumentc.a. 2000 Proprietary
GWHI Instrumentc.a. 2004 Proprietary
BalloonWinds Gondola Size: 8′×8′×12′ Gondola Mass: < 2700 kg (3 tons) Power Requirements: 1300 W Power System: 20 Lithium-Ion Batteries Thermal Management: Ice and Electric Heaters Optical Systems: Diode-Pumped Nd:YAG ½-meter Telescope Direct-Detection Receivers (2) Proprietary
Mission Objectives • Measure signal and line shape to confirm atmospheric & instrument responses from down-looking perspective. • Develop instrument performance model for space-borne system. • Assess subsystem scalability for space. • Measure wind velocity profiles with a quality limited only by instrument knowledge, photometric return and uncontrolled quantities. Proprietary
BW Instrument2008, Holloman AFB Proprietary
Launch, November 2008 Proprietary
Reference Images Upon Return to UNH Before Launch Proprietary
Aftermath • Without an opportunity for a relaunch efforts were put toward • Up-looking data analysis • Instrument performance model • Up-looking data-model comparisons • Model predictions for space-borne LIDAR Proprietary
Instrument Performance Model • 50+ input parameters • All subsystems components are modeled • Result simulates the raw measurement • Result is processed to predict • Signal strength • Measurement uncertainty Proprietary
BW Measurement Proprietary
BW Prediction Proprietary
ComparisonsSignal Strength Proprietary
ComparisonsWind Uncertainty Proprietary
ComparisonsWind Sensitivity Proprietary
Space-Borne Instrument • ‘BalloonWinds-Like’ except • 200 km position (0 km) • -60° elevation angle (45°) • 20 W laser emission (3W) • 1.5 m telescope (0.5 m) • 80% quantum efficiency (0.4) • Improved transmissions and detector properties to address some BW deficiencies. Proprietary
Space-Borne Predictions Proprietary
Space-Borne Predictions Proprietary
The End • Opportunities? Collaborations? • Report available • $19.95 +S&H. Act now and get 2-for-1 with video. Hurry. Supplies limited. Offer not valid in NJ. Proprietary