Chi-Ming Lee Chief of Combustion Branch NASA Glenn Research ...

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ERA CMC Liner Material Testing Objectives: Investigate durability issues for GE HiPerComp Type 2 CMC for high temperature engine environments. Approach: Investigate basic durability properties of coupons – 2D uni-layup prepreg Hi- Nic-S, balanced (yr 1). Develop advanced high temperature coatings NRA to obtain subcomponents Collaborate closely with Engine companies Test subcomponents in simulated engine environment Benefits: CMC combustor liner enables higher temp engine, liner surface operating temperature to 2800F Status: • Prepreg SiC CMC panels ordered. • HPBR modifications underway • Subcomponents obtained by NRA 30
ERA CMC Liner Material Testing- Environmental Barrier Coatings Objective- Develop and validate advanced 2800°F environmental barrier coating (EBC) systems for SiC/SiC CMC combustors for ERA engine demonstrations. Status - • GE contract plan discussed for combustor EBC testing and development • Quote received from Sulzer for first round of environmental barrier coating powders • Collaborative plan for Dense-Vertical Cracked (DVC) combustor EBC development also discussed with Praxair • Potential trial non-Si bond coats development • High Pressure Burner Rig fixtures designed and fabricated for thermal fatigue and environmental degradation tests of impingement and filmcooled CMC-EBC test coupons • High Pressure Burner Rig Combustor being instrumented for CMC combustor segment rig fixture designs and testing • High pressure burner rig cooling air capability improved (up 600 psi) and fuel is being improved to accommodate planned higher mass-flow rate tests • Simulated thermal gradient fatigue laser rig also ready for 2 inch diameter CMC-EBC specimen thermal fatigue testing • Biaxial stress of heated CMC ring-on-ring test analyzed 31
Page 1 and 2: Chi-Ming Lee Chief of Combustion Br
Page 3 and 4: NOx emissions vs. the Overall Press
Page 5 and 6: Flametube Combustor Emissions Reduc
Page 7 and 8: Fuel Flexible/Low Emissions Combust
Page 9 and 10: 75% Nox Reduction Injector Developm
Page 11 and 12: Time--> C 8 C 9 C 10 C 11 F-T Fuel
Page 13 and 14: JP8, 50-50 Blend, and FT-2 Comparis
Page 15 and 16: ASCR Plenum Design and Fabrication
Page 17 and 18: Ultra-Lean-Burning Combustors Are M
Page 19 and 20: Long Term Goal for Active Combustio
Page 21 and 22: Active Combustion Control Combustio
Page 23 and 24: SiC Electronics Status • Building
Page 25 and 26: SiC Pressure Sensor Status • The
Page 27 and 28: High Temperature Combustor Liner Ch
Page 29: ERA CMC LINER - Subtasks 1. Liner m
Page 33 and 34: High Temperature Piezoelectric Mate

Chi-Ming Lee Chief of Combustion Branch NASA Glenn Research ...

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