POLKA Scientific Workshops
1st Scientific Workshop - Analytical Methods in Thermo- and Aeroacoustics
(Keele University, UK, 11 March 2020)
Click on the links to open the documents and view the videos
This workshop is designed for early-stage researchers on the project. However, external researchers from outside the POLKA network are welcome to attend as well, at a cost of £95.00, which includes lunch and refrreshments. Please download the document below for full registration information:
Timetable & Registration Information for External Researchers
Maria Heckl - Green's function methods in thermoacoustics
Video (58:53) | PDF of Slides
Yannis Hardalupas - The importance of hydrodynamics on the initiation of thermoacoustic oscillations
Video (1:02:33) | PDF of Slides
R.I. Sujith - Complex systems approach to investigate thermoacoustic instability in turbulent combustors
Part 1: Time series analysis Video (41:14) | PDF of Slides
Part 2: Spatio-temporal analysis and directions for future research Video (49:17) | PDF of Slides
Aswathy Surendran - Passive control of thermoacoustic instabilities by heat exchangers
Video (26:35) | PDF of Slides You may need Adobe Acrobat Reader and Adobe Flash Player for this presentation.
Maria Heckl & Sreenath M. Gopinathan - Flame models for thermoacoustics
Video (1:02:40) | PDF of Slides
Playlist of all 6 workshop videos (opens in a separate window)
2nd Scientific Workshop - Experimental methods in aeroacoustics
(KTH Royal Institute of Technology, Stockholm, Sweden, 19-20 October 2020)
Click on the links to open the documents and view the videos
Hans Bodén - Introduction to plane wave decomposition and two-port analysis in flow duct acoustics
Video (51:59) | PDF of Slides
Mats Åbom - Multi-mode measurements in flow ducts and applications
Video (1:04:27) | PDF of Slides
Hans Bodén - Uncertainty quantification in experimental aeroacoustics
Video (43:31) | PDF of Slides
Playlist of all 3 workshop videos (opens in a separate window)
3rd Scientific Workshop - Analytical methods in thermo- and aeroacoustics
(Siemens Industry Software, Leuven, Belgium, 24-26 October 2021)
Click on the links to open the documents and view the videos
Christophe Schram - Introduction to Acoustic Analogies
Video (1:54:51) | PDF of Slides
Sophie le Bras - Introduction to Computational Aeroacoustics: sources and propagation
Video (1:19:27) | PDF of Slides
Hadrien Bériot - Acoustic propagation in non-reacting flows
Video (43:31) | PDF of Slides
Playlist of all 3 workshop videos (opens in a separate window)
4th Scientific Workshop
(TUM, Munich, Germany, 27-29 April 2022)
Click on the links to open the documents
Camilo Silva - Overview of Low Order Network Modeling
Generalities of Thermoacoustic Instabilities PDF of Slides
About the Wave Equation for Reacting Flows PDF of Slides
Generalities of Thermoacoustic Network Models PDF of Slides
The Galerkin Approach to ‘reduce’ models in thermoacoustic PDF of Slides
Camilo Silva - Generalities on the Acoustic Flame Response
PDF of Slides
Wolfgang Polifke - ITA Modes
PDF of Slides
5th Scientific Workshop
(Ansaldo Energia, Genoa, Italy, 20-21 September 2022)
(Workshop Materials are confidential to Ansaldo Energia and cannot be shared here)
Alberto Amato - Introduction to combustion in gas turbines
Giovanni Campa & Francesco Gant - Thermoacoustics in industrial applications
Frédéric Boudy - Passive damping systems in industrial applications
Patricia Sierra Sanchez & Giuseppe Spataro - Introduction to industrial gas turbines operations
Luis Tay Wo Chong - Difference in working and doing research in industry and academia
6th Scientific Workshop
(Keele University, UK, held in Montestigliano, Italy, 13-17 March 2023)
Click on the links to open the documents
Lecture Series by senior POLKA Scientists
• Wolfgang Polifke - Convective waves in thermoacoustic combustion instability
PDF of Slides
• Mico Hirschberg - Aero-acoustics of flue organ pipes
Part 1 PDF of Slides | Slideshow with media
Part 2 PDF of Slides | Slideshow with media
• Driek Rouwenhorst - Patenting
(Confidential to POLKA and cannot be shared here)
• Susann Boij & Mikael Karlsson - Giving an Overview Presentation of your subject area
(Interactive workshop; no materials to share)
Lecture Series on Experimental methods in Thermoacoustics
• Claire Bourquard - Noisy dynamical systems
Part 1 Imaging techniques and related post-processing PDF of Slides
Part 2 Identifying key features from noisy time traces: instabilities, bifurcations and intermittency PDF of Slides
• Preethi Rajendram Soundararajan
Predicting combustion instabilities of annular combustors using flame describing functions
Part 1 Predicting combustion instabilities of annular combustor through flame describing functions
(Confidential to POLKA and cannot be shared here)
Part 2 Calculation of flame describing functions using experimental data PDF of Slides