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“Can” Style Combustors
ZK1200 Can Combustor for Center for Clean Energy Technology
Brayton has designed and tested can style combustors ranging from 2” – 26” diameters from common stainless steels to high nickel alloys.
This large can combustor was designed and tested as a low-emission re-rate for older KG2 gas turbines.
Overall installation, showing the combustor, convection liner sleeve, and the skid-mounted fuel system.
Combustor Cooling Architectures
- Traditional design approach with significant experience base
- Lower tooling cost
- May require trials to eliminate hot-spots
- Eventual thermal fatigue results in buckling failure at splash-ring segment attachment points.
- Single piece liner barrel, avoiding welded or brazed joints and associated thermal-induced buckling.
- Lower cost in production
- More uniform cooling
- More expensive tooling
- May require higher cooling air fraction
Can Style Combustor for 2kW GENSET for ARPAe
- Standard can layout 60.2mm diameter x 277 mm long
- Applicable for 1kW microturbine , designed for U.S. DOE – ARPEe (Advanced Research Project Agency)
- 99% combustion efficiency
- CARB distributed generation standards for natural gas fuel (0.031g/kW-hr NOx; 0.045 g/kW-hr CO)
Test combustor in the horizontal orientation as viewed from the exhaust towards the swirlerhead showing the primary reaction zone. The orange/yellow color is due to emission from the hot liner not soot.