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Planning for Airborne Demonstrations: DWL Discussion by Ken Miller, Monterey, CA

This document outlines the key discussions held by the Lidar Working Group on February 7, 2008, regarding airborne mission possibilities and capabilities for demonstration. It covers the approximate schedule, airborne objectives, and technology validations needed for future operational use in hurricane studies and data collection campaigns. The planning also includes vehicle readiness, hybrid flight tests, and potential funding sources for measurement campaigns. Relevant airborne objectives highlight the significance of robust instrument performance and advanced mission planning for effective atmospheric measurements.

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Planning for Airborne Demonstrations: DWL Discussion by Ken Miller, Monterey, CA

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  1. Planning for DWL Airborne Demonstration - Discussion Ken Miller Lidar Working Group Monterey CA February 7, 2008

  2. Topics • Discuss airborne mission possibilities • Capabilities needing demonstration • Approximate schedule • Campaign opportunities

  3. Airborne Objectives • Advance instrument TRLs • Performance and functionality • Robustness and reliability • Demonstrate technology for space mission • DD & Coherent subsystems and components • Hybrid DWL data • Down-looking • High altitudes • Validate atmosphere and instrument models • Signal processing

  4. Airborne Objectives 2 • Demonstrate technology • Optics • Separate for Coherent and Direct Detection • HOE for Direct Detection • Scanners (Step-stare, not multiple fixed apertures) • Calibration and Validation • Cross-validation of DD & Coherent • Other instruments and models • Overfly ground instruments • Underfly satellites

  5. Airborne Objectives 3 • Science Campaigns • Hurricane Genesis Mission 2010 • Forecast impacts • Hurricane studies • Future Operational Use: hurricanes, winter storms?

  6. Status • Recent NASA planning decisions • Provides some direction • Includes • WB-57 flights for TWiLiTE • DC-8 hybrid shirtsleeves flight • Funded • TWiLiTE DC-8 accommodation, flight test? • DAWN DC-8 readiness, flight test?

  7. Status 2 • Planned – Hybrid DC-8 • Engineering flights • Hurricane Genesis Mission 2010 • Beyond current planning • WB-57 TWiLiTE campaigns • DC-8 hybrid other than Hurricane Genesis • WB-57 autonomous hybrid capability and high altitude flights • UAV flight

  8. GWOS (2016) Shirtsleeves Hybrid DC-8 Hurricane Mission Summer 10 AutonomousHybrid, WB-57 2012 ? Roadmap to Operational DWLon Nex-Gen NPOESS Nex-Gen NPOESS (2026) Operational 3-D global wind measurements ESA ADM (2009) ADM DD & Coh Winter 08 Demo 3-D global wind measurements TODWL & Airborne Demo (2002 ----) Single LOS global wind measurements DWL Airborne Campaigns, ADM Simulator, etc. TWiLiTE WB-57 Summer 09

  9. NASA Chart

  10. Direct Detection Solo

  11. Hybrid Shirtsleeves DC-8

  12. Hybrid Autonomous WB-57

  13. Variations • Sources of funding for measurement campaigns • UAV – Global Hawk • Joint flights with other lidars

  14. Airborne Shared Optics Unlikely • Aircraft • Not needed? • Would limit flexibility • Shared optics in GWOS Space demonstration

  15. Preliminary Time Line • TWiLiTE Solo • Test Flights • WB-57 Flights • UAV • Hybrid • Shirtsleeves, Hurricane Mission, DC-8 • Autonomous WB-57 • CAMEX 6 • Hurricane Genesis Mission 2008 2009 2010 2011 2012

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