Felix Czwielong
Felix Czwielong, M. Sc.
Department of Chemical and Biological Engineering
Chair of Fluid Mechanics
Haberstr. 9
91058 Erlangen
- Phone number: +49 9131 85-28272
- Fax number: +49 9131 85-29503
- Email: felix.czwielong@fau.de
- Website: https://www.lstm.tf.fau.de/
Career Path
| Since 2018 | Research assistant |
| 2016 – 2018 | Studies of energy engineering with specialization in process engineering at the Friedrich-Alexander-University Erlangen-Nuremberg, degree: Master of Science |
| 2017 – 2018 | Master thesis at the Chair of Process Machinery and Plant Engineering: “Experimental investigation of the sound radiation of heat exchanger axial fans”. |
| 2016 – 2017 | Assistant at the Chair of Technical Thermodynamics in the field of gasoline direct injection and laser optical measurement techniques |
| 2012 – 2016 | Studies of power engineering at the Friedrich-Alexander-University Erlangen-Nuremberg, degree: Bachelor of Science |
| 2016 | Internship in the field of injection technology and exhaust gas after-treatment at MAN Truck & Bus SE |
| 2015 | Bachelor thesis at the Chair of Technical Thermodynamics: “Influence of the evaporation behavior of binary fuel mixtures on spray dispersion”. |
Lectures
- Turbomaschinen
Research projects
- Sound radiation of axial fans under disturbed inflow conditions
- Program for the design of axial fans
- Sound source localization on rotating systems
- Aeroacoustic interactions of axial fans and heat exchangers
- Leading edge modifications of axial fans
Completed research projects
Publications
2024
- , , , , , , :
Aerodynamics and Aeroacoustics of Leading Edge Serration in Low-Speed Axial Fans With Forward Skewed Blades
In: Journal of Engineering For Gas Turbines and Power-Transactions of the Asme 146 (2024), Article No.: 021007
ISSN: 0742-4795
DOI: 10.1115/1.4063420
2023
- , :
Active Turbulence Grid-Controlled Inflow Turbulence and Replication of Heat Exchanger Flow Fields in Fan Applications
In: International Journal of Turbomachinery, Propulsion and Power 8 (2023), Article No.: 1
ISSN: 2504-186X
DOI: 10.3390/ijtpp8010001 - , , , , , , :
ON THE AEROACOUSTIC PROPERTIES OF A PRANDTL-FAN
ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition, GT 2023 (Boston, MA, USA, June 26, 2023 - June 30, 2023)
In: Proceedings of the ASME Turbo Expo 2023
DOI: 10.1115/GT2023-103898 - , , :
CONTROLLED INFLOW CONDITIONS FOR RADIAL FANS - AN AEROACOUSTIC RADIAL FAN TEST RIG
15th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics 2023, ETC 2023 (Budapest, April 24, 2023 - April 28, 2023)
In: 15th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics 2023, ETC 2023 2023 - , , , :
Novel design for acoustic silencers for ducts with flow based on the bound states in the continuum
In: Archive of Applied Mechanics (2023)
ISSN: 0939-1533
DOI: 10.1007/s00419-023-02508-y - , , , , , :
Boundary layer measurements of the flow along a streamwise-oriented circular cylinder using particle tracking velocimetry
In: International Journal of Heat and Fluid Flow (2023)
ISSN: 0142-727X
DOI: 10.1016/j.ijheatfluidflow.2023.109225
URL: https://www.sciencedirect.com/science/article/abs/pii/S0142727X23001248?via=ihub - , , , , , :
Machine-Learning Clustering Methods Applied to Detection of Noise Sources in Low-Speed Axial Fan
In: Journal of Engineering For Gas Turbines and Power-Transactions of the Asme 145 (2023)
ISSN: 0742-4795
DOI: 10.1115/1.4055417 - , , , , , , :
AERODYNAMICS AND AEROACOUSTICS OF LEADING EDGE SERRATION IN LOW-SPEED AXIAL FANS WITH FORWARD SKEWED BLADES
ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition, GT 2023 (Boston, MA, USA, June 26, 2023 - June 30, 2023)
In: Proceedings of the ASME Turbo Expo 2023
DOI: 10.1115/GT2023-101899 - , , , , , , :
Development of a test rig for the investigation of flow-induced mechanisms of sound generation at radial fans
In: Applied Acoustics 211 (2023), Article No.: 109553
ISSN: 0003-682X
DOI: 10.1016/j.apacoust.2023.109553
2022
- , , , :
Installationseffekte von Wärmeübertragern auf Axialventilatoren
DAGA 2022 Stuttgart (Stuttgart, March 21, 2022 - March 24, 2022) - , , :
On the interactions of the induced flow field of heat exchangers with axial fans
In: Experimental Thermal and Fluid Science 139 (2022), Article No.: 110697
ISSN: 0894-1777
DOI: 10.1016/j.expthermflusci.2022.110697 - , , , , :
Simulating Wind Noise with Airflow Speed-Dependent Characteristics
17th International Workshop on Acoustic Signal Enhancement, IWAENC 2022 (Bamberg, DEU, September 5, 2022 - September 8, 2022)
In: International Workshop on Acoustic Signal Enhancement, IWAENC 2022 - Proceedings 2022
DOI: 10.1109/IWAENC53105.2022.9914785 - , , , , :
Aerodynamic and aeroacoustic properties of axial fan blades with slitted leading edges
In: Acta Acustica 6 (2022)
ISSN: 2681-4617
DOI: 10.1051/aacus/2022043 - , , , :
Analytisch und iterativ berechnete Steering-Vektoren zur Lokalisierung rotierender Schallquellen
DAGA 2022 Stuttgart (Stuttgart, March 21, 2022 - March 24, 2022) - , , :
Revisiting the EAA Benchmark for a low-pressure axial fan
DAGA 2022 Stuttgart (Stuttgart, March 21, 2022 - March 24, 2022) - , , , , , :
MACHINE-LEARNING CLUSTERING METHODS APPLIED TO DETECTION OF NOISE SOURCES IN LOW-SPEED AXIAL FAN
ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition, GT 2022 (Rotterdam, NLD, June 13, 2022 - June 17, 2022)
In: Proceedings of the ASME Turbo Expo 2022
DOI: 10.1115/GT2022-82116
2021
- , :
Aktives Turbulenzgitter - Generierung definierter Zuströmturbulenzen für Axialventilatoren
DAGA 2021 Wien (Wien, August 15, 2021 - August 18, 2021) - , , , :
Sound reduction in heat exchanger modules by integrating plate absorbers with sub-millimeter openings
In: Acta Acustica (2021)
ISSN: 2681-4617
DOI: 10.1051/aacus/2021020 - , , , :
On the acoustic effects of sonic crystals in heat exchanger arrangements
In: Applied Acoustics 182 (2021), p. 108253
ISSN: 0003-682X
DOI: 10.1016/j.apacoust.2021.108253 - , , , :
The influence of periodic structures on sound propagation through heat exchangers
DAGA 2021 Wien (Wien, August 15, 2021 - August 18, 2021) - , , , :
Micro-perforated panels for noise reduction
In: Elektrotechnik und Informationstechnik (2021)
ISSN: 0932-383X
DOI: 10.1007/s00502-021-00889-y
URL: https://link.springer.com/article/10.1007/s00502-021-00889-y - , , , :
Micro-perforated panels in interaction with boundary layers in zero pressure gradient flow
DAGA 2021 Wien (Wien, August 15, 2021 - August 18, 2021) - , , , :
Design of an in-duct micro-perforated panel absorber for axial fan noise attenuation
In: Acta Acustica 5 (2021)
ISSN: 2681-4617
DOI: 10.1051/aacus/2021015 - , , , , :
Strukturierte Porosittät zur Lärmminderung von Axialventilatoren
DAGA 2021 Wien (Wien, August 15, 2021 - August 18, 2021) - , , , , , :
Permeable Structures for Leading Edge Noise Reduction
AIAA AVIATION 2021 FORUM (, August 2, 2021 - August 6, 2021)
DOI: 10.2514/6.2021-2192 - , , , , , :
Schallquellenlokalisierung an geschlitzten Axialventilatoren mit rotierendem Beamforming
DAGA 2021 Wien (Wien, August 15, 2021 - August 18, 2021) - , , , , , , :
Permeable Leading Edges for Airfoil and Fan Noise Reduction in Disturbed Inflow
In: AIAA Journal (2021)
ISSN: 0001-1452
DOI: 10.2514/1.J060396
2020
- , :
Sensibilitätsanalyse verschiedener Wärmeübertragerparameter und deren Einfluss auf die Schallabstrahlung von Axialventilatoren
DAGA 2020 Hannover (Hannover, March 16, 2020 - March 19, 2020) - , , , :
Influence of a micro-perforated duct absorber on sound emission and performance of axial fans
In: Applied Acoustics (2020)
ISSN: 0003-682X
DOI: 10.1016/j.apacoust.2020.107746
URL: https://www.sciencedirect.com/science/article/pii/S0003682X20308501?via=ihub - , , , :
Optimierte Schallreduktion in Axialventilatorsystemen durch mikroperforierte Absorber
DAGA 2020 Hannover (Hannover, March 16, 2020 - March 19, 2020) - , , , , , , :
Experimental Investigation of the Impact of 3D-Metal-Printed Perforated Leading Edges on Airfoil and Axial Fan Noise
AIAA AVIATION 2020 FORUM (Virtual Event, June 15, 2020 - June 19, 2020)
DOI: 10.2514/6.2020-2529
2019
- , , :
Untersuchung der Schallabstrahlung von gesichelten Axialventilatoren mit sinusförmigen Vorderkanten
DAGA - Deutsche Jahrestagung für Akustik 2019 (Rostock, March 18, 2019 - March 21, 2019)
In: Deutsche Gesellschaft für Akustik - DEGA (ed.): Fortschritte der Akustik - DAGA 2019 45. Deutsche Jahrestagung für Akustik, 18.-21. März 2019 in Rostock 2019 - , , :
Experimental investigations of the sound emissons of axial fans under the influence of suction-side heat exchangers
25th AIAA/CEAS Aeroacoustics Conference (Delft, May 20, 2019 - May 23, 2019)
DOI: 10.2514/6.2019-2618 - , , :
Experimentelle Untersuchung der Schallabstrahlung von Wärmeübertrager-Axialventilator-Modulen
DAGA - Deutsche Jahrestagung für Akustik 2019 (Rostock, March 18, 2019 - March 21, 2019)
In: Deutsche Gesellschaft für Akustik - DEGA (ed.): Fortschritte der Akustik - DAGA 2019 45. Deutsche Jahrestagung für Akustik, 18.-21. März 2019 in Rostock 2019 - , , :
Sound Emissions of Axial Fans with Leading-Edge Serrations on different spanwise Locations
inter.noise 2019 (Madrid, June 16, 2019 - June 19, 2019)
In: PROCEEDINGS OF INTERNOISE 2019 The 49th International Congress and Exhibition on Noise Control Engineering 2019 - , , , :
Experimental investigation of the influence of different leading edge modifications on the sound emission of axial fans downstream of a heat exchanger
Proceedings of the 23rd International Congress on Acoustics, integrating 4th EAA Euroregio 2019 (Aachen, September 9, 2019 - September 13, 2019)
Open Access: http://pub.dega-akustik.de/ICA2019/data/articles/001182.pdf
URL: http://pub.dega-akustik.de/ICA2019/data/articles/001182.pdf - , , , , :
Achieving axial fan sound reduction with micro-perforated absorbers
DAGA - Deutsche Jahrestagung für Akustik 2019 (Rostock, March 18, 2019 - March 21, 2019)
In: Deutsche Gesellschaft für Akustik - DEGA (ed.): Fortschritte der Akustik - DAGA 2019 45. Deutsche Jahrestagung für Akustik, 18.-21. März 2019 in Rostock 2019 - , , :
Experimental Investigation of the Sound Emission of Skewed Axial Fans with Leading-Edge Serrations
In: AIAA Journal (2019)
ISSN: 0001-1452
DOI: 10.2514/1.J058134
URL: https://arc.aiaa.org/doi/abs/10.2514/1.J058134?journalCode=aiaaj - , , :
Experimental investigation of the sound emission of skewed axial fans with leading-edge-serrations
25th AIAA/CEAS Aeroacoustics Conference (Delft, May 20, 2019 - May 23, 2019)
DOI: 10.2514/6.2019-2735