Forcing Pulsations by Means of a Siren for Gas Turbine Applications (Journal Publication 2020)

An article summarizing 20 years of experience about CBOne's pulsation Technology and focusing on the very latest developments has been published in the International Journal of Turbomachinery for Propulsion and Power. To this point, we wish to thank the Board of the EVI-GTI Conference for their recommendation for journal publication.

Link to the publication

 

CBOne developed a special actuator, able to generate with precision airflow modulations over the 0-6000 Hz range, with amplitudes achieving up to 150 dB SPL. The article describes into details:

  • The siren technology
  • The generation of a precision airflow modulation, for dynamic sensor calibration purpose
  • The drive of flow dynamics, for laboratory applications
  • The drive of thermoacoustics, for gas turbine applications

Forcing Pulsations by Means of a Siren for Gas Turbine Applications 
by Fabrice Giuliani, Markus Stütz, Nina Paulitsch, and Lukas Andracher. 
Int. J. Turbomach. Propuls. Power 2020, 5(2), 9; https://doi.org/10.3390/ijtpp5020009

Link to the online open-access full-text

Effective Solutions Against Particle Matter in Aviation

The new standard on particle matter called nvPM from the ICAO enters into force on the first of January 2020. From now on, a drastic reduction in particle matter (or soot) is required to get certification for the new aircraft engines.

CBOne and FH Joanneum / Aviation work together on the advanced combustion monitoring for aircraft engines including alert on soot formation in the frame of the "emootion" project

The ICAO is the International Civil Aviation Organization, a specialized agency of the United Nations in charge of setting the principles and techniques of international air navigation and of planning and developing international air transport to ensure safe and orderly growth. The acronym nvPM stands for non-volatile particulate matter emissions. It adds-up to prior standards defined for CO2 and NOx reduction in aviation.

CBOne participates in this effort to further push the limits of what is technically possible towards the soot-free burner. Read about our activities in burner design and advanced controls to improve the mixedness of the reactants, as well as our advanced monitoring techniques designed to detect soot production - so that it is then corrected within a comfortable safety margin.  

 

Read more: Effective Solutions Against Particle Matter in Aviation

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