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

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Conclusion:<br />

Low NO x, Fuel-Flexible<br />

<strong>Combustion</strong> System<br />

Advanced Aircraft Concept<br />

GTF Engine<br />

Systems modeling<br />

• Flexible fuel staging<br />

• Mission pr<strong>of</strong>iling for<br />

emissions management<br />

Propulsion Contributions<br />

• Improved propulsion efficiency<br />

• Higher thermal efficiency<br />

<strong>Combustion</strong> Contributions<br />

• Lower NOx Emissions<br />

• Improved fuel-air mixing<br />

• Advanced Active Controls<br />

• Fuel Flexibility<br />

2002<br />

Hybrid Wing-Body Aircraft<br />

Experimental validation / verification<br />

• Emissions and atmospheric mixing sampling<br />

• In-flight measurement<br />

<strong>Combustion</strong> System Contributions<br />

• Improved thermal mgt<br />

• Light weight structures<br />

Low-NOx Combustor<br />

Materials Contributions<br />

• CMC combustor liners with reduced cooling<br />

• Improved high temperature durability<br />

Fundamental research<br />

CFD modeling; improved diagnostics; experimental techniques; acoustics physics; materials, etc<br />

34

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