Upper Stage Evolution

Transcription

1 Upper Stage Evolution Mark Wilkins Atlas Product Line VP United Launch Alliance AIAA_JPC Copyright 2009 United Launch Alliance, LLC. All Rights Reserved.

2 EELV Sustainment Through 2030 ULA s Evolution Strategy EELV Configurations (3) Upper Stages (2) Avionics Systems (2) GC3 Systems (2) Upper Stage Engines Existing Intermediate Market Common Subsystems Existing Heavy Market Future Heavy & Growth Markets Atlas ULA Consolidation Phase Fleet Optimization Phase 1 Common Upper Stage Phase 2 Booster & GSE Optimization Phase 3 Next Generation System Development Fleet Evolution Delta AIAA_JPC

3 Common Upper Stage Enables Robust Industrial Base Avionics Delta IV Upper Stage System Integration Lab Ground/Airborne Software Propulsion Centaur Vehicle Instrumentation Common Airborne & Ground Systems Booster and Payload Interfaces Health Monitoring Ground Computer Systems Launch Sites RL10B-2-1 RL10A-4-3 Space-Based Range Advanced Telemetry Payload Fairing PLF Tri-Sectors Single PLF Recommendation Metallic Tri-Sector 5.1m Composite Next Generation Engine Supplier Viability Through Consolidations & Rate Assured Access Through Reliability, Resiliency & Rate Industrial Base Health Through Sustained P3I Reduced Obsolescence Costs 5.4m Composite Some images courtesy of Pratt & Whitney Rocketdyne AIAA_JPC

4 Upper Stage Engine Roadmap 46 klb Prop 61 klb Prop 90 klb Prop RL10A-4-2 Centaur 22 klb RL10B-2 Delta IV 24 klb RL10A-4-3 RL10B-2-1 RL10 Evolution Common Atlas/Delta USG Funded Enhancements Early Fielding with Existing Product Lines Next Gen Engine (Increased Thrust) Requirement Definition MR Isp Cost Some images courtesy of Pratt & Whitney Rocketdyne AIAA_JPC

5 EELV Evolution Flexible Mission Architectures Operational Phase 1 Phase 2 Phase 3 20t Class Low Risk Development 40t Class 70t Class Atlas V 100+ t Class 5m Tanks Upper Stage Evolution Dual RD 180s New MLP 30t Class 50t Class 90t Class Delta IV Incl RS-68A 2 or 4 LRB s Solids Existing Launch Pads New Launch Pads Engine Development First Step: Upper Stage Consolidation/Evolution AIAA_JPC

6 Mission Needs Drive ULA s Evolution Strategy Lunar Missions Interplanetary C3>0 L1 Telescopes, Cargo, etc. GEO Dual-Satellite Auxiliary Payloads GPS Nav ISS GEO MEO LEO Responsive Launch AIAA_JPC

7 Advanced Common Evolved Stage Key Elements Vehicle Equipment Equipment Shelf Monocoque Tank Vapor Cooled Skirt Payload Adapter LO2 Tank LH2 Tank Next Generation Engine Common Bulkhead Combine Best of Atlas & Delta Characteristics AIAA_JPC

8 Long Duration Innovation Guided by Flight Experience Reduced LH2 Surface Area LH2 Tank Sized for Substantial Boil-Off MLI & Sun Shield Monocoque Tank Thermal Management Mass Fraction >0.9 Minimal Penetrations Enhanced IB Insulation Internal Sump Supporting Enhanced Mission Requirements AIAA_JPC

9 Advanced Common Evolved Stage Extensibility EELVs In-Space Key Elements & Innovations Propellant Depot Lunar Lander Providing Efficient High-Energy Propulsion Core AIAA_JPC

10 Ride Share Opportunities Upper Stage Extensibility Image courtesy of Cal-Poly P-Pod Poly PicoSat Orbital Deployer 10 kg ABC Aft Bulkhead Carrier 80 kg CAP+ C-Adapter Platform+ 100 kg Image courtesy of STP Program Office Upper Stage Framework Provides Innovations in Accommodating a Variety of Rideshare & Science Missions Image courtesy of STP Program Office ESPA EELV Secondary P/L Adapter 200 kg/ea IPC Integrated Payload Carrier 500+kg AIAA_JPC

11 Summary Atlas V & Delta IV Upper Stages Evolved from Over 100 Years & 1,300 Launches Combined to Achieve the Reliability & Agility Necessary to Serve Today s Broad Launch Needs Active Flight Learning Produces System Knowledge & Reliability for Evolution & Innovation Common System Elements Establish a Framework for Supplier & Industrial Base Health Tank Design Innovations Currently Underway Establish a Framework for Future Missions (Growth & Extensibility) Future Mission Models Benefit from Early Fielding on Current Vehicles & Evolutionary Approaches Strong Systems Engineering Heritage of Disciplined Evolution Provides Capability & Reliability Necessary to Meet Tomorrow s s Space Goals AIAA_JPC