Low NOx Combuster Design for 65% Efficient Engine Email Page
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Performer:  Siemens Energy, Inc. Location:  Orlando, Florida
Project Duration:  01/01/2015 – 06/30/2016 Award Number:  FE0023968
Technology Area:  Advanced Turbines Total Award Value:  $926,872
Key Technology:  Advanced Combustion Turbines DOE Share:  $685,787
Performer Share:  $241,085

Siemens SGT-8000H series<br/>Photo: Siemens
Siemens SGT-8000H series
Photo: Siemens

Project Description

This Siemens Phase I project will develop a conceptual design for an advanced high-temperature combustor for gas turbine applications. This development will explore the integration of three advanced combustion system technology concepts -- advanced head end (AHE), distributed combustion system (DCS), and advanced transition (AT). Each building block is to be analyzed and optimized to significantly push the limits of gas turbine inlet temperature while simultaneously ensuring the system operates below metal temperature limits so that future commercial power systems could realistically target combined cycle efficiencies of 65% or greater while achieving low (single digit) nitrogen oxide (NOx) emissions. Because the key thrust of this project lies in the correct combination of these three seemingly independent technologies, the planned Phase I optimization will be performed using cycle analysis, autoignition and flashback studies, computational fluid dynamics and thermoacoustic modeling which all contribute into the prototype mechanical and aero-thermal design. Cross-optimization of the system as a whole will help ensure prototype designs are practical and ultimately commercially viable. Of note is that this new combustion system combines several technology concepts that were successfully developed under DOE contract DE-FC26-05NT42644.

Project Benefits

Siemens is confident that by optimizing these advanced technologies, stable combustion with low NOx emissions will be achievable at the high firing temperatures (3100 degrees Fahrenheit) in order to help achieve 65% combined cycle efficiency systems which represent a 5 point improvement over the most current commercially available systems that obtain about 60%. Such remarkable energy efficiency gains would also result in significant reductions in NOx and greenhouse gas emissions once these new prototype designs are commercialized.

Presentations, Papers, and Publications

Contact Information

Federal Project Manager Mark C. Freeman: mark.freeman@netl.doe.gov
Technology Manager Richard Dennis: richard.dennis@netl.doe.gov
Principal Investigator J. Enrique Portillo: juan.portillo@siemens.com