III - 1 III. Solar Sail Flight System Technology Session Facilitator: Gregory P. Garbe.

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III - 1 III. Solar Sail Flight System Technology Session Facilitator: Gregory P. Garbe

Solar Sail TechnologyIII - 2 Outline Executive Summary Solar Sail Capabilities to be Validated by ST9 Solar Sail TCA/Mission-Level Validation Objectives for ST-9

Solar Sail TechnologyIII - 3 Executive Summary Workshop Addresses Following Technology Areas –Sail system design metrics & scaling –Controlled sail deployment in an orbital/space environment –In-space characteristics of the deployed sail and structure –Sail system design metrics & scaling –Controlled sail deployment in an orbital/space environment –In-space characteristics of the deployed sail and structure –Sailcraft attitude control –System propulsion performance –Design approach and processes Sessions Topics –Future space science mission needs –Desired workshop products –Technology splinter session discussions –Needs/potential capabilities assessments Splinter Session Topics –Modeling and Simulation of Deployed Solar Sails –Solar Sail Material Qualities and Environmental Characteristics –Pointing, Control, and Navigation Technology for Solar Sails –Solar-Sail Packaging Deployment, and Structure Technologies

Solar Sail TechnologyIII - 4 Executive Summary (continued) Key Observations and Recommendations –Need the corroboration between quantitative models and ground testing for all major subsystem –Scale of validation flight needs to be no smaller then 1/3 of future science mission –Two most important Solar Sail Figure of Merits are: 1.Root Sail Area (L RSA ): –Square root of sail’s reflective area 2.Sail system areal density (  S ): –Mass sail system (e.g., membrane, trusses, GNC, Diagnostics, etc.) divided by reflective area Recommendations for ST-9 Flight Experiment –Need comprehensive diagnostic package that quantitatively measures the system performance and interaction with its environment –L RSA should be minimum of 50 m

Solar Sail TechnologyIII - 5 Solar Sail Capabilities to be Validated by ST9 (1 of 2)

Solar Sail TechnologyIII - 6 Solar Sail Capabilities to be Validated by ST9 (2 of 2)

Solar Sail TechnologyIII NMP Gossamer 1 AU Tech Development 1 Au Mission Validation AEC Able Ground DemoAEC Able Ground Demo L’Garde Ground DemoL’Garde Ground Demo JPL Integrated s/w ToolkitJPL Integrated s/w Toolkit Cycle 1 NRA In-Space Propulsion Program Cycle 2 NRA High Fidelity ModelsHigh Fidelity Models Diagnostic SystemDiagnostic System 1 Au Env. Testing1 Au Env. Testing Cycle 3 NRA 1 Au GNC HWiL1 Au GNC HWiL 1Au Architecture1Au Architecture Lightweight BusLightweight Bus NASA Technology Development Cycle 4 NRA Cycle 5 NRA Cycle 6 NRA.25 Au GNC HWiL.25 Au GNC HWiL.25 Au Architecture.25 Au Architecture Nano Diagnostic System 0.25 Au Ground Demo 0.25 Au GNC Software Development 0.25 Au Subsystem Development 1 AU ScienceMissions.25 AU Tech Development.25 Au Mission Validation.25 AU Science ScienceMissions ST 9 Phase A * ST 9 Phase B - D New Millennium Program * Future Flight Validation Particle Acceleration Solar Orbiter Titan Explorer Saturn Ring Observer NOAA/USAF MISSIONS Enabled by Solar Sail Propulsion Geostorm 1 (0.98 AU)Geostorm 1 (0.98 AU) Pole Sitter 1 (210 R E X 485 R E )Pole Sitter 1 (210 R E X 485 R E ) L1 - Diamond Solar Polar Imager CSSR Launch NASA MISSIONS Enabled/Enhanced by Solar Sail Propulsion Launch Launch Launch Geostorm 2 (0.945 AU)Geostorm 2 (0.945 AU) Pole Sitter 2 (140 R E X 323 R E )Pole Sitter 2 (140 R E X 323 R E ) Solar Sail Technology & Mission Implementation Roadmap

Solar Sail TechnologyIII - 8 Notes : 1) ISP Ground Demo  T assumes non-sail system mass of 10 kg 2) Solar Sail Propulsion is being studied to determine its viability to SSE Missions Solar Sail Figures of Merit required capabilities for Science Missions

Solar Sail TechnologyIII - 9 Solar Sail TCA/Mission-Level Validation Objectives for ST-9 Sail Validation Objectives 1.Validate sail system design metrics & scaling 2.Validate controlled sail deployment in an orbital/space environment 3.Validate in-space characteristics of the deployed sail and structure 4.Validate sailcraft attitude control 5.Validate system propulsion performance 6.Validate design approach and processes

Solar Sail TechnologyIII - 10 Objective 1. Validate Sail System Design Metrics and Scaling Splinter Session A4 Solar Sail Packaging, Deployment, and Structure Technologies

Solar Sail TechnologyIII - 11 Objective 2. Validate Controlled Sail Deployment in an Orbital/Space Environment Splinter Session A4 Solar Sail Packaging, Deployment, and Structure Technologies

Solar Sail TechnologyIII - 12 Objective 3. Validate In-Space Characteristics of the Deployed Sail and Structure Splinter Session A2 Solar Sail Material Qualities and Environmental Characteristics

Solar Sail TechnologyIII - 13 Objective 3. Validate In-Space Characteristics of the Deployed Sail and Structure Splinter Session A4 Solar Sail Packaging, Deployment, and Structure Technologies

Solar Sail TechnologyIII - 14 Objective 4. Validate Sailcraft Attitude Control Splinter Session A4 Solar Sail Packaging, Deployment, and Structure Technologies

Solar Sail TechnologyIII - 15 Objective 5. Validate System Propulsion Performance Splinter Session A1-S2 Modeling and Simulation of Deployed Solar Sails

Solar Sail TechnologyIII - 16 Objective 5. Validate System Propulsion Performance Splinter Session A4 Solar Sail Packaging, Deployment, and Structure Technologies

Solar Sail TechnologyIII - 17 Objective 6. Validate Design Approach and Processes Splinter Session A1-S2 Modeling and Simulation of Deployed Solar Sails Splinter Session A1-S1 Modeling and Simulation of Deployed Solar Sails

Solar Sail TechnologyIII - 18 Objective 6. Validate Design Approach and Processes Splinter Session A1-S3 Modeling and Simulation of Deployed Solar Sails Splinter Session A1-S4 Modeling and Simulation of Deployed Solar Sails

Solar Sail TechnologyIII - 19 Objective 6. Validate Design Approach and Processes Splinter Session A4 Solar Sail Packaging, Deployment, and Structure Technologies

Solar Sail TechnologyIII - 20 Objective 6. Validate Design Approach and Processes Splinter Session A2 Solar Sail Material Qualities and Environmental Characteristics

Solar Sail TechnologyIII - 21 Objective 6. Validate Design Approach and Processes Splinter Session A2 Solar Sail Material Qualities and Environmental Characteristics