Forschungsbereich Aerodynamik und Akustik
Numerical Approaches: CFD, CAA and Optimization
Contacts
Eman Bagheri, M. Sc. | Phone number: +49 9131 85-28291 | Email: eman.m.bagheri@fau.de | Website: https://www.lstm.tf.fau.de/ |
Florian Wachter, M. Sc. | Phone number: +49 9131 85-28272 | Email: flo.wachter@fau.de | Website: https://www.lstm.tf.fau.de/ |
Jörg Riedel, M. Sc. | Phone number: +49 9131 85-29505 | Email: joerg.riedel@fau.de | Website: https://www.lstm.tf.fau.de/ |
Andreas Renz, M. Sc. | Phone number: +49 9131 85-29505 | Email: andreas.renz@fau.de |
Main research areas
- Computational Fluid Dynamics (CFD) Simulation
- Computational Aeroacoustics (CAA) Simulation
- Solver Development in OpenFOAM
- Fluid-Structure-Acoustic Interaction
- Discrete Adjoint Optimization
- Machine Learning Algorithm
- Multi-Phase Flow
- Structure Vibration and Modal Analysis
Methods and techniques
- Finite Volume and Finite Element Methods
- Pertubated Convective Wave Equations
- FW-H Methods
- HPC Computing
- LES and DNS
- OpenFoam, StarCCM+, Ansys, SU2, FASTEST3D
- Simcenter, CFTurbo
- Psychoacoustic Analysis Program
- Design Tool for Axial and Radial Impeller
Recent research topics
- BayVFP (VDI/VDE): VALIDAD: Pulsating Heat Pipes for Cooling of High Power Electronics
- BMBF: AKUMET3D: Acoustical Metamaterials for Sound absorption in Pipes
- BFS – Adjoint Optimization Methods in Fluid System Technology
- BFS – Wind Noises on Hearing Aids
- WTD: Sound Generation in Axially Symmetrical, Turbulent Boundary Layers on a Simplified Trailing Antenna Geometry/Sonar System
Selected former research
- Virtual Vehicle: Simulation of Low-Frequency Vehicle Interior Noise with Wind Excitation
- Virtual Vehicle: Aeroacoustic Simulation of Rotating Systems in HVAC Systems
- Bayern-E-home – Optimization and Noise Reduction for Vertical Wind Turbine
- EU-FET- EUNISION: Extensive UNIfied-domain SimulatiON of the human voice
- Bavarian Research Alliance: Noise Reduction of Technical Facilities
- EDA-CAPEM: Conformal Array Performance Estimation Modelling
- INIFAU: Multiphysical Simulation Model for External Noise Prediction in the Early Development Phase of a Car
Selected Media
Shape Optimization
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Shape-optimized turbulent pipe flow | DNS of the baseline and optimized geometries showing improved pressure loss as well as partial relaminarization |
Axisymmetric Turbulent Boundary Layer
LES of axisymmetric turbulent boundary layer performed in OpenFOAM
Pulsating Heat Pipes
Simulation of pulsating heat pipes with heat transfer and phase-change using developed solver in OpenFOAM
Aeroacoustic Simulations
PCWE source term in rotating systems
Acoustic Wave propagation in rotating systems using the PCWE analogy
Acoustic Wave propagation in a HVAC unit using the PCWE analogy
Vibro-acoustic Simulation
Vibro-acoustic wave propagation of a cylinder head model simulated in CFS++
Simulation of Rotating Systems
PTV measurement of turbulent axisymmetric boundary layer/em>
Forward-Facing Step Benchmark Case
PIV measurement of turbulent flow in an optimized curved pipe
Measurement Techniques and Experimental Fluid Mechanics
Contacts
Felix Czwielong, M. Sc. | Phone number: +49 9131 85-28272 | Email: felix.czwielong@fau.de | Website: https://www.lstm.tf.fau.de/ |
Christoph Näger, M. Sc. | Phone number: +49 9131 85-28291 | Email: christoph.naeger@fau.de | Website: https://www.lstm.tf.fau.de/ |
Andreas Renz, M. Sc. | Phone number: +49 9131 85-29505 | Email: andreas.renz@fau.de | |
Lukas Saur, M. Sc. | Phone number: +49 9131 85-29505 | Email: lukas.saur@fau.de | Website: http://www.lstm.fau.de |
Jörg Riedel, M. Sc. | Phone number: +49 9131 85-29505 | Email: joerg.riedel@fau.de | Website: https://www.lstm.tf.fau.de/ |
Main research areas
- Acoustic Test Facilities
- Hybrid Acoustic PIV
- Vibro-Acoustic Measurements
- Microphone Arrays
- Flow-Acoustic Correlation
- Flow Visualization
- Inflight Acoustic Sensors
- Active Turbulence Grid
Methods and techniques
- LDA
- PIV
- Hot Wire Measurements
- Laser Scanning Vibrometer
- Multi-Pressure Systems
- Kiel-probe Array
- Smoke Generator
- Telemetric System
- Matches Index Refraction Technique
- Aeroacoustic and Flow Test Facilities
- Large Wind Tunnel
- Water Tunnel
Recent research topics
- BayVFP (VDI/VDE): VALIDAD: Pulsating Heat Pipes for Cooling of High Power Electronics
- AiF Research Project (20997 N/1): Sound Measurement of Axial Fans in Pipes
- AiF Research Project (12345 N/1): Characterization and Prediction of the Sound Radiation of Axial Fans under the Influence of Heat Exchangers
Selected former research
- Bayern-Green Factory – Design of Low Noise Production Facilities
- Bayern-E-home – Optimization and Noise Reduction for Vertical Wind Turbines
- EU FP7 – The Development and Verification of a Novel Modular Air Cooled Condenser for Enhanced Concentrated Solar Power Generation
- Bavarian Research Alliance: Noise Reduction of Technical Facilities
Selected Media
PIV/PTV
PTV measurement of turbulent axisymmetric boundary layer flow
PIV measurement of turbulent flow within a curved pipe optimized for pressure loss reduction
Turbomachinery
Contacts
Felix Czwielong, M. Sc. | Phone number: +49 9131 85-28272 | Email: felix.czwielong@fau.de | Website: https://www.lstm.tf.fau.de/ |
Andreas Renz, M. Sc. | Phone number: +49 9131 85-29505 | Email: andreas.renz@fau.de | |
Lukas Saur, M. Sc. | Phone number: +49 9131 85-29505 | Email: lukas.saur@fau.de | Website: http://www.lstm.fau.de |
Jörg Riedel, M. Sc. | Phone number: +49 9131 85-29505 | Email: joerg.riedel@fau.de | Website: https://www.lstm.tf.fau.de/ |
Main research areas
- Acoustic Test Facilities for Fans
- Fan Acoustics
- Turbocharger
- Active Turbulence Grid
- Fans by Different Installation Conditions
- Optimization
- Multi-Port Measurements
- Scroll Compressor
- Wind Turbines
- Serrated Leading Edge Fan Design
- Friction Ventilator
Methods and techniques
- CFD/ CAA
- FW-H
- Perturbed Convective Wave Equation (PCWE)
- Multi-Pressure Systems
- Kiel-probe Array
- Telemetric System
- Axial – and Radial Impeller Test Rig
- Microphone Array
- Laser Scanning Vibrometer
Recent research topics
- INIFAU: Acoustics and Operating Behavior of Scroll Compressors as System Components in the Thermal Management of Electric Vehicles
- AiF Research Project (20997 N/1): Sound Measurement of Axial Fans in Pipes
- AiF Research Project (12345 N/1): Characterization and Prediction of the Sound Radiation of Axial Fans under the Influence of Heat Exchangers
- AIF/ZIM: Turbo Resonator for Compressors
- FFG Bridge Austria: Modelling and Simulation of Flow Acoustics of Compressors in Vehicle Turbochargers
Selected former research
- BoschRexroth: Sound emission of low-pressure axial fans under distorted inflow conditions
- GardnerDenver: Flow and Flow-Induced Sound Radiation of Side Channel Blowers
- Bayern-E-home – Optimization and Noise Reduction for Vertical Wind Turbines
- BFS: Aeroacoustic Sound Generation in Fans and their Sound Radiation
- INIFAU: Sound Radiation of the Exhaust Gas Turbocharger as a Function of the Compressor and Turbine Inflow
Selected Media
Simulation of Axial Fans
LES of an axial fan with and without leading edge serrations
Ventilations and Cooling Systems
Contacts
Felix Czwielong, M. Sc. | Phone number: +49 9131 85-28272 | Email: felix.czwielong@fau.de | Website: https://www.lstm.tf.fau.de/ |
Andreas Renz, M. Sc. | Phone number: +49 9131 85-29505 | Email: andreas.renz@fau.de | |
Lukas Saur, M. Sc. | Phone number: +49 9131 85-29505 | Email: lukas.saur@fau.de | Website: http://www.lstm.fau.de |
Eman Bagheri, M. Sc. | Phone number: +49 9131 85-28291 | Email: eman.m.bagheri@fau.de | Website: https://www.lstm.tf.fau.de/ |
Main research areas
- Pulsating Heat Pumps
- Heat Exchanger and Fan Installations
- Psychoacoustics
- HCAC Systems
- Motor Cooling Systems
Methods and techniques
- CFD /CAA
- Multi-Pressure Systems
- Telemetric System
- Aeroacoustic and Flow Test Facilities
- Multi-Phase Simulation
Recent research topics
- BayVFP (VDI/VDE): VALIDAD: Pulsating Heat Pipes for Cooling of High Power Electronics
- AiF Research Project (12345 N/1): Characterization and Prediction of the Sound Radiation of Axial Fans under the Influence of Heat Exchangers
Selected former research
- INIFAU: Aeroacoustic Noise Prediction of Automotive HVAC Systems
- INIFAU: Development of a Methodology for the Design of Vehicle Air Conditioning Systems under Consideration of Psychoacoustic
- BFS: Noise reduction of the ventilation systems of low-energy/passive houses
- BFS : Noise reduction of the cooling equipment of technical systems and devices
- Brose: Acoustics of Motor Cooling Fans
Selected Media
Car HVAC unit
Acoustic Wave propagation in a HVAC unit using the PCWE analogy
Sound Absorption Technology
Contacts
Felix Czwielong, M. Sc. | Phone number: +49 9131 85-28272 | Email: felix.czwielong@fau.de | Website: https://www.lstm.tf.fau.de/ |
Jörg Riedel, M. Sc. | Phone number: +49 9131 85-29505 | Email: joerg.riedel@fau.de | Website: https://www.lstm.tf.fau.de/ |
Main research areas
- Acoustic Metamaterials
- MPP
- Resonator
- Porous Materials
- Absorber in Flow Systems
- Kevlar Foils
Methods and techniques
- MPP
- Hot Wire Measurements
- Multi-Port Test Rigs
- Multi-Pressure Systems
Recent research topics
- AiF Research Project (20997 N/1): Sound Measurement of Axial Fans in Pipes
- BMBF: AKUMET3D: Acoustical Metamaterials for Sound Absorption in Pipes
Selected former research
- Bayern-Green Factory – Design of Low Noise Production Facilities
- AIF/ZIM: Turbo Resonator for Compressors
- FLT: Application of Kevlar foils for minimizing the influence of fluid mechanical pressures during acoustic measurements with slot tube probes on fans
- Schmalz: Development of a silencer for vacuum technology components
Car Acoustics and Flight Systems
Contacts
apl. Prof. Dr.-Ing. habil. Stefan Becker | Phone number: +49 9131 85-29579 | Email: stefan.becker@fau.de | Website: https://www.lstm.tf.fau.de/ |
Main research areas
- Fluid-Structure-Acoustic Interaction
- Vibro-Acoustic Measurements
- Inflight Acoustic Sensors
- Low Noise Drone Flight
- Active Flow Control
- Acoustics of E-Bikes
Methods and techniques
- LDA
- PIV
- Laser Scanning Vibrometer
- Multi-Pressure Systems
- Aeroacoustic Wind Tunnel
- Large Wind Tunnel
Recent research topics
- AkESoFlug: Energy-efficient, acoustically self-optimized drive technology for autonomous aviation
Selected former research
- BFS – Sound design for Passenger Car Interiors
- Virtual Vehicle: Simulation of Low-Frequency Vehicle Interior Noise with Wind Excitation
- INIFAU: Multiphysical Simulation Model for External Noise Prediction in the Early Development Phase of a Car
- DFG: Inflight Transition Measurements on an Airplane Wing using LDA
- VW: Active Flow Control on a 1:4 Car Model
Selected Media
Simplified Car Model
LES of flow around side-view mirror
Aero-Vibro-Acoustic Simulation of the Flow Induced Interior Noise in a Simplified Car
Vibro-acoustics of Car Engines
Vibro-acoustic wave propagation of a cylinder head model simulated in CFS++
Medical Technology
Contacts
Christoph Näger, M. Sc. | Phone number: +49 9131 85-28291 | Email: christoph.naeger@fau.de | Website: https://www.lstm.tf.fau.de/ |
Jörg Riedel, M. Sc. | Phone number: +49 9131 85-29505 | Email: joerg.riedel@fau.de | Website: https://www.lstm.tf.fau.de/ |
Main research areas
Methods and techniques
- PIV
- Laser Scanning Vibrometer
- Multi-Pressure Systems
- Laser Scanning Vibrometer
- Artificial Vocal Folds
Recent research topics
- DFG: Tracing the mechanisms that generate tonal content in voiced speech
- BFS – Wind Noises on Hearing Aids
Selected former research
- DFG: The flow-structure interaction and the induced sound on a realistic physical vocal fold model – active model
- EU-FET- EUNISION: Extensive UNIfied-domain SimulatiON of the human voice
- University Hospital: Investigation of the influence of an internal fixator on stiffness in the pelvic ring and sacral fractures
- University Hospital: CFD investigations of medical cement on a bone screw
Selected Media
Voice Research
PIV measurement of a modulating jet induced by synthetic vocal folds
Laser-scanning vibrometry of synthetic vocal folds