20 likes | 191 Views
Ultracapacitor Augmentation of Shuttle Power System. Area(s) of Significant Benefit Safety Performance Sustainability Operations Infrastructure . Description
E N D
Ultracapacitor Augmentation of Shuttle Power System Area(s) of Significant Benefit Safety Performance Sustainability Operations Infrastructure • Description • Ultracapacitor based energy storage system incorporated into Shuttle power system for improved safety, reliability, and performance with reduced mass and volume • Ultracapacitor based energy storage system for on-orbit welding and joining to make repairs • Ultracapacitor based energy storage system for electrically disbonding adhesives to remove attachments placed on the Orbiter for advanced EVA operations • Ultracapacitor based energy storage system for portable power, such as power tools Technologies and Capabilities • Provides extremely high power density • Reduces peak power levels of Shuttle main power source • Provides extremely high cycle rates • Charge/discharge efficiency is very high, exceeding 90% • Excellent low temperature characteristics • Extremely long shelf life • Extremely long cycle life • Consistent performance over time • Minimal support requirements • Promotes safety as system can be left in discharged state • Maintenance free Benefits and Impacts Obsolescence Reduction Risk Reduction Safety Improvement Cost Reduction Process Improvement Other (Ultra-High Operations Improvement Reliability) Performance Enhancement • POC, Cost, Schedule and Maturity • TRL 6 • POC: Dennis Eichenberg (216)433-8360 • Directly derived from the design approach used in the Second Generation Reusable Launch Vehicle Program • Reduction in Criticality 1 Failure Rate of 0.5%
Ultracapacitor Augmentation of Shuttle Power System • Total Project Costs: $ 29 M • Obsolescence: $ 4 M • Feasibility: $ 5 M • Formulation: $ 5 M • Implementation: $ 15 M • A significant portion of the costs is attributed to certification and training (Code M) • Project Submitted By: Dennis Eichenberg, NASA GRC, (216)433-8360 • Note: Supplemental Information attached in MS Word document