3/14/22 Improving Rotorcraft Drivetrain Life with Computational Testing and Asset Management
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April 15, 2023
Improving Rotorcraft Drivetrain Life with Computational Testing and Asset Management
April 15, 2023
Future Vertical Lift
Sentient Science: Rotorcraft Life Extension
1965 – Utility Tactical Transport Program
1979 – UH-60
April 15, 2023
Future Vertical Lift
Sentient Science: Rotorcraft Life Extension
1979 – UH-60 Blackhawk
2017 - FVL• Increase Range• Increase speed• Increase payload• Increase reliability• Increase maintainability• Reduce total cost of ownership• Reduce weight
April 15, 2023
Sentient’s Platform History
Sentient Science: Rotorcraft Life Extension
Future Vertical Lift
Future Vertical Lift
FARDS – Future Advanced Rotorcraft Drive System
COSTA - Capability-Based Operations and Sustainment Technology Aviation
ASTRO – Autonomous Sustainment Technology for Rotorcraft Operations
April 15, 2023
Army’s Platform Strategy
Sentient Science: Rotorcraft Life Extension
Future Vertical Lift
Long-Term - FVLIncreased PerformanceExtend LifeReduce weight and cost
Future Vertical Lift
Medium Term – Chinook Block IIIncreased PerformanceExtend Remanufactured LifeMeet budget cuts – increased foreign sales
Short Term – Fire Scout Reduced fleet sizeIncreased mission capabilitiesLower sustainment costs
April 15, 2023
Sentient Science: Rotorcraft Life Extension
Application #1 Example: Navy SBIRSpline Life Extension from New Coatings
DCC DCC
April 15, 2023
Sentient Science: Rotorcraft Life Extension
Application #1 Example: Navy SBIRSpline Life Extension from New Coatings
DCC
DCC
DCC
DCC Coat
DCCCoating Coat
Coating
CoatCoat
April 15, 2023
Sentient Science: Rotorcraft Life Extension
S-N plot for off-shelve (AISI-52100) and aerospace-quality (SAE-4620) TGB taper roller bearings
75% 100% 108% 115% 125% 140% 150%
75%
100%
125%
150%
75% 100% 125% 150%
Radial load
Ax
ial L
oa
d
Failure probability for 4620 taper roller bearing under different load combinations
Application #2 Example: Navy ProgramBearing Life Extension in Re-Design
DCCDCC
April 15, 2023
Sentient Science: Rotorcraft Life Extension
Application #2 Example: Navy ProgramBearing Prognostics in Operation
April 15, 2023
Improving Rotorcraft Drivetrain Life with Computational Testing and Asset Management
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