Improving Rotorcraft Drivetrain Life

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1. Improving Rotorcraft Drivetrain Life withComputational Testing and AssetManagementOctober 31, 2014 2. Future Vertical Lift1965 Utility Tactical Transport ProgramSentient Science: Rotorcraft Life ExtensionOctober 31, 20141979 UH-60 3. Future Vertical Lift1979 UH-60 BlackhawkSentient Science: Rotorcraft Life ExtensionOctober 31, 20142017 - FVL Increase Range Increase speed Increase payload Increase reliability Increase maintainability Reduce total cost of ownership Reduce weight 4. Sentients Platform HistoryFutureVertical LiftFutureVertical LiftSentient Science: Rotorcraft Life ExtensionOctober 31, 2014FARDS Future Advanced Rotorcraft Drive SystemCOSTA - Capability-Based Operations and Sustainment Technology AviationASTRO Autonomous Sustainment Technology for Rotorcraft Operations 5. Armys Platform StrategyFutureVertical LiftSentient Science: Rotorcraft Life ExtensionOctober 31, 2014Long-Term - FVLIncreased PerformanceExtend LifeReduce weight and costFutureVertical LiftMedium Term Chinook Block IIIncreased PerformanceExtend Remanufactured LifeMeet budget cuts increased foreign salesShort Term Fire ScoutReduced fleet sizeIncreased mission capabilitiesLower sustainment costs 6. Application #1 Example: Navy SBIRSpline Life Extension from New CoatingsSentient Science: Rotorcraft Life ExtensionOctober 31, 2014DCC DCC 7. Application #1 Example: Navy SBIRSpline Life Extension from New CoatingsSentient Science: Rotorcraft Life ExtensionOctober 31, 2014DCCDCCDCCDCC CoatCoatingCoating DCC CoatCoat Coat 8. Application #2 Example: Navy ProgramBearing Life Extension in Re-DesignS-N plot for off-shelve (AISI-52100) andaerospace-quality (SAE-4620) TGB taper rollerbearingsSentient Science: Rotorcraft Life ExtensionOctober 31, 2014150%125%AxialLoad100%75%0-0.2 0.2-0.4 0.4-0.6 0.6-0.875% 100% 108% 115% 125% 140% 150%Radial loadFailure probability for 4620 taperroller bearing under different loadcombinationsDCC DCC 9. Application #2 Example: Navy ProgramBearing Prognostics in OperationSentient Science: Rotorcraft Life ExtensionOctober 31, 2014 10. Improving Rotorcraft Drivetrain Life withComputational Testing and AssetManagementOctober 31, 2014