GTI2016: Filling in the missing link on combustion monitoring between laboratory and real gas turbine
Meggitt Sensing Systems and Combustion Bay One work together on monitoring of combustion dynamics in gas turbines. The latest progress will be presented at the conference GTI2016 in Berlin (presentation no. 026). This presentation focuses on the latest efforts made to automate the recording and documentation of even small changes of the burner operation conditions, and correlate these to the dynamic measurements.
Key elements of the combined static-dynamic synchronous acquisitionSynchronous capture of GT combustor operating conditions and main combustion dynamics parameters combining quasi-static and fast-response measurements in a well-documented and compact manner L. Pfefferkorn*, C. Wieland*, F. Giuliani*, H. Reiss† *CBOne, Austria †Meggitt Sensing Systems, Switzerland
The focus is put on the precise combustion control using CBOne's burner test rig and methods, and detailed description of the latter using MSS' measurement chain including fast-pressure sensors and accelerometers, as well as associated data acquisition systems.
Combustion Bay One.e.U. works currently in co-operation with FH Joanneum/Aviation on the development of an embedded optical sensor for real-time monitoring of the flame condition in aeroengine combustors.
This feasibility study is financed by the Take-Off programme from the Austrian Research Promotion Agency (FFG).
The very promising first results will soon be presented at the following conference:Kraft, G., Giuliani, F., Pfefferkorn, L. and Andracher, L.Toward embedded optical measurement techniques for precision combustion monitoring in aeroenginesProceedings of the XXIIIth Biannual Symposium on Measuring Techniques in TurbomachineryStuttgart, Germany,1 - 2 September 2016
Combustion Bay One worked together with Meggitt Sensing Systems (MSS) on an Applied Research & Development programme for precision monitoring of gas turbine combustion.
An original methodology for gas turbine combustor characterisation and monitoring was developed, using MSS' instrumentation and CBOne's siren pulsator. Experiments with combustion were performed on CBOne's test bench at FH Joanneum, Graz, Austria. The results are published in a joint article to be presented at the ASME Turbo Expo in Seoul, South Korea, 13-17th of June 2016.
Giuliani F., Reiss H., Stuetz M., Moosbrugger V. and Silbergasser A.Readings on specific gas turbine flame behaviours using an industrial combustion monitoring system.Proceedings of the ASME Turbo Expo 2016: Turbine Technical Conference and ExpositionJuly 13-17th, 2016, Seoul, South Korea. GT2016-56166
The COP21 conference in Paris, December 2015, made decisions about keeping the temperature rise below 2 degrees. This implies more sustainable resources and a rationalisation on our use of conventional energies. One option is better combustion technologies.
In 2012, CBOne announced the start of the programme MethaNull. Based on a flexible on-off pulse combustion technology, simultaneous decrease in consumption and in pollutant emissions should be made possible. We worked on this technology demonstrator intensively 2013-2015 with the support of the AWS / PreSeed grant. Today we are proud to announce: it works!
Laboratory testing showed that at the same fuel consumption, MethaNull technology versus conventional provides the following figures: +2% in outlet temperatures were observed, for -15% NOx and -13% CO emissions. Machine warm-up is accelerated with a 1.1 factor. Operation is extended down to 90% fuel consumption of the conventional lean blow out limit.
More at the EnInnov 2016:
Moosbrugger, V.; Giuliani, F.: MethaNull, ein Programm zur Senkung der Methanemissionen in der Atmosphäre. - in: EnInnov 2016, 14. Symposium Energieinnovation 2016 (2016) Symposium Energieinnovation, TU Graz, Austria (presentation Th. 11.02, 14h30, session B3)
- Read the article (in German)
- Download the presentation (in German)
- Download the ASME Montreal 2015 presentation (in English)