The first training session of the European Academy of Aeroacoustics (EA2) (https://www.tudelft.nl/lr/european-academy-of-aeroacoustics) will be held on 23-26 January 2023, at the von Karman Institute for Fluid Dynamics (VKI). The topic of the first training course is "Remote microphone techniques for the characterization of aeroacoustic sources".
This unique four-day training will cover the necessary theoretical background on wave propagation, sensor calibration, design practices, data post-processing, etc. But in contrast with other courses and lecture series, the participants will be actively practicing through supervised lab sessions, implementing different sensors (electret and condenser microphones) in various configurations (flush-mounted, recessed behind a pinhole-cavity or as a side-branch with anechoic termination). Python routines developed by the lecturers will be demonstrated and shared with the participants, for the processing and analysis of the calibration data and their comparison with the models.
The training course will be suitable for PhD students, postdocs and research/test engineers interested in accurate measurement of surface pressure fluctuations, with application to aeroacoustics, fundamental turbulence and boundary layers, flow control, unsteady aerodynamics, etc. Given the organization of laboratory sessions, a maximum of 36 participants will be accepted, on a first-come-first-served basis.
Monday 23 January 2023
09:15 - 10:15 Sensor technology
Assoc. Prof. Daniele Ragni, TU Delft, The Netherlands
10:15 - 10:45 Coffee break
10:45 -12:30 Time- and frequency-domain line-cavity models
Prof. Christophe Schram, VKI and Prof. Mahdi Azarpeyvand, U. Bristol, United Kingdom
12:30 - 14:00 Lunch
14:00 - 15:15 Time- and frequency-domain line-cavity models
Prof. Christophe Schram and Prof. Mahdi Azarpeyvand
15:15 - 15:45 Coffee break
15:45 - 17:00 Time- and frequency-domain line-cavity models: hands-on Python exercises
Tuesday 24 January 2023
09:00 -10:15 MP design guidelines including flow effects
Prof. Mahdi Azarpeyvand and Assist. Prof. Francesco Avallone, TU Delft, The Netherlands
10:15 - 10:45 Coffee break
10:45 -12:00 System identification: signal processing, transfer functions, coherence analysis
Prof. Mahdi Azarpeyvand and Dr. Nick Zan, U. Bristol, United Kingdom
12:00 - 14:00 Lunch
14:00 - 15:15 System identification: Bayesian inference
Dr. Riccardo Zamponi, VKI, Belgium
15:15 - 15:45 Coffee break
15:45 - 17:00 System identification: hands-on Python exercises
Wednesday 25 January 2023
09:00 – 10:15 Introduction to the laboratory and experimental program
10:15 – 12:00 Lab session
12:00 - 14:00 Lunch
14:00 – 17:00 Lab session
Thursday 26 January 2023
09:00 – 12:00 Lab session
12:00 - 14:00 Lunch
14:00 - 15:15 Results analysis
15:15 - 15:45 Coffee break
15:45 - 17:00 Debriefing of lab session
The citizens of the following countries are eligible to attend the von Karman Institute Courses and Events:
- EU member countries
- NATO member countries
- NATO's Mediterranean Dialogue (Algeria, Egypt, Israel, Jordan, Mauritania, Morocco, Tunisia)
- Istanbul Cooperation Initiative (Bahrain, Kuwait, Qatar, United Arab Emirates)
- Argentina, Australia, Bolivia, Brazil, Cabo Verde, Cameroon, Chile, Colombia, Japan, India, Indonesia, Macedonia, Malaysia, Mauritania, Mexico, Montenegro, Mozambique, New Zealand, Nigeria, Republic of Korea, Saudi Arabia, Serbia, Singapore, South Africa, Switzerland, Thailand, Uruguay, South-Africa and Vietnam.
VKI reserves the right to request a clearance check with Belgian authorities.
The participants will have to present their ID card (for EU citizens) or passport (for other citizens) the first day of the lecture series.
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Remote microphone techniques for the characterization of aeroacoustic sources
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