Prof. Dr. Rinie Akkermans

• Aerodynamics
• Fluid Mechanics
• Flight Mechanics/Performance
• Aircraft Engines
• Aeroelastics

Professor for Aerodynamics, Aeroacoustics, and Flight Mechanic^s.

Aerodynamics:

• Numerical methods for DNS/LES/LBM
• Turbulent flow & vortex dynamics
• Experimental (optical) measurement techniques
• Delta wing/ Canards

Aeroacoustics:

• Aeroacoustics (aeronautical and automotive applications)
• Propeller and Engine noise
• Noise reduction by porous materials and/or surface treatments
• Side-mirror noise (Automotive)
• UAV/UAM Aeroacoustics

Multiphase flow:

• High-speed droplet impact
• Splashing
• Impact force

• Vice-Director Research and Technology Transfer Center "Future Mobility and Acoustics" (2021 - current)
• Identified as "National focal point for automotive and aeronautical flow acoustics in Germany" by ICAO - International Civil Aviation Organization (2021 - current)
  
• Visiting Professorship Beihang University (Beijing, China) at the "Lu Shijia" Key Laboratory of Aero-Acoustics, School of Aeronautical Sciences and Engineering (2020 - current)
• PhD-supervisor (Full Professor member) of program "CEADS - Compu­tational Engi­neering and Applied Data Science" (2025 - current)
• Member of scientific advisory counsel of the PhD research school HAW Hamburg (2025- current)
• Deputy member Faculty Council of “Aviation and Automotive Systems” (2025- current)
• Member of Academic Senate HAW Hamburg (2021-2022)
• Editorial Board activities: MDPI Fluids (since 2021) and "Journal of Aerospace Engineering" (SAGE Journals, Associate Editor since 2025)
• Review activities for German Science Foundation (DFG), EU-projects (e.g., PRACE), several journals (e.g., Journal of Fluid Mechanics, Physics of Fluids, AIAA Journal, Computers and Fluids, and Journal of Sound and Vibration, Aerospace Science and Technology, Applied Acoustics, Nature Communications), and multiple conferences

Current PhD students:

1. Steffen Kroll (TU Braunschweig, external at Volkswagen AG, Wolfsburg), Numerical investigation on acoustic feedback mechanisms and tonal noise of side mirrors, (doctoral supervisor)
2. Steffen Huettig (TU Braunschweig, external at Volkswagen AG, Wolfsburg), Hydrodynamic and acoustic pressure from velocimetry measurements, (doctoral supervisor)
3. Yunsong Geng (Beihang University, China), Optimalization of quiet propeller with machine learning approaches, Co-supervision with Prof. Liu and Hu (Beihang University)
   
4. Zhongze Li (Beihang University, China), Study on tilting rotor aerodynamics and aeroacoustics, Co-supervision with Prof. Hu (Beihang University)
5. Kaiyuan Xiao (Beihang University, China), Rotor Optimalization methods based on data driven and machine learning, Co-supervision with Prof. Hu (Beihang University)
6. Ruohang Dai (Beihang University, China), The flow control strategy based on flow field perception and reconstruction, Co-supervision with Prof. Hu (Beihang University)
7. Jun Wang (Beihang University, China), Aerodynamic and aeroacoustic optimization of a high-speed propeller, Co-supervision with Prof. Liu and Prof. Hu (Beihang University)

Former PhD-students:

• Ali H. Dawi (Volkswagen AG), “Compressible CFD simulations of aeroacoustics for automotive applications”. PhD-committee: Prof. Dr. Ir. R.A.D. Akkermans und Prof Dr. Ir B.J. Geurts (Utwente, NL). 04.07.2019
• Paul Bernicke (TU Braunschweig), “Overset-LES and its application to noise prediction”. PhD-committee: Prof. Dr. Ir. R.A.D. Akkermans und Prof. S. Jakirlic (TU Darmstradt). 21.02.2020 
• Varun B. Ananthan (TU Braunschweig), “Overset-LES of Passive Methods for Trailing Edge Noise Reduction”. PhD-committee: Prof. Dr. Ir. R.A.D. Akkermans, Prof. Dr. S.C. Langer (TU Braunschweig), und Prof. Dr. W. Schröder (RWTH Aachen). 15.07.2021
• Zhangchen Song (Beihang University, China), Experimental study on trailing-edge noise and noise localisation, Co-supervision with Profs. Liu and Hu (Beihang University, China). Exam: 10.12.2024 (Outstanding).
• Wenxuan Tang (Beihang University, China), Flow dynamics of pitching delta wing with flow control approaches, Co-supervision with Profs. Liu and Hu (Beihang University). Exam: 10.12.2024 (Outstanding).
  

Publication statistics (June 2026):

• Scopus: 1200+ citations, h-index 25 (25 when excluding self-citations)
• GoogleScholar: 1500+ citations, h-index 27
• Research Gate: 1350+ citations, h-index 26 (24 when excluding self-citations)

Peer-reviewed articles:

[91] X. Geng, P. Liu, T. Hu, Q. Qu, Y. Li, Y. Ge, J. Wang, H. Guo, B.R. Noack, R.A.D. Akkermans, Aerodynamic and Aeroacoustic Optimization of an Isolated Propeller Based on Variable-Fidelity Deep Neural Network Surrogate Model with Uncertainty Quantification, Aerospace Science and Technology, Vol. 177, 112283, 2026.

[90] J. Li, P. Liu, T. Hu, H. Li, Y. Li, Y. Wang, L. Wang, Q. Qu, J. Zhang, R.A.D. Akkermans, Analysis of the Influence of Skeletal Membrane Wing Configurations on Fluid-Structure Interaction Mechanisms, Aerospace Science and Technology, Vol. 177, 112917, 2026.

[89] Y. Tian, P. Liu, Q. Qu, T. Xiang, G. Li, T. Hu, R.A.D. Akkermans, Droplet Impact on a Liquid Film: Characteristics, Physics, and Formulation of Impact Forces, International Journal of Multiphase Flow, Vol. 202, 105793, 2026.

[88] D.A. Burzynski, Q. Qu, T. Hu, Y. Yang, R.A.D. Akkermans, Splashing and break-up of high-speed drops on wetted surfaces, Physics of Fluids, Vol. 38, 033319, 2026.

[87] N. Juchmann, D. Kozulovic, T. Hu, R.A.D. Akkermans, Numerical analysis of the solidity effect of a ducted, highly loaded, hovering UAM-vehicle engine, Aerospace Science and Technology, Vol. 165, 110473, 2025.

[86] S. Huettig, M. Kuehn, T. Gericke, G. Bloem, A. Sciacchitano, R.A.D. Akkermans, On-Road Vehicle Aero-dynamics with the Ring-of-Fire Concept, Experiments in Fluids, Vol. 66, 125, 2025.

[85] W. Tang, P. Liu, T. Hu, Y. Wang, Q. Qu, J. Qu, H. Guo, R.A.D. Akkermans, The flow control mechanism of trailing-edge Gurney flap on a 50°-swept delta wing in forced pitching, Physics of Fluids, Vol. 36, 085127, 2024.

[84] J. Wang, Y. Tang, Y. Ge, C. Wu, H. Tang, T. Hu, L. Wang, Y. Wang, C. Jiang, Q. Qu, P. Liu, R.A.D. Akkermans, Vectored-thrust system design for a tail-sitter micro-aerial-vehicle with belly/back takeoff ability, Aerospace Science and Technology, Vol. 155, 109542, 2024.

[83] A. Kumar, J.T. John, A.M. Pradeep, R.A.D. Akkermans, D. Kozulovic, Aerodynamics of a Tandem-Bladed Axial Compressor Rotor under Circumferential Distortion at Different Rotational Speeds, Journal of Thermal Science, Vol. 33, No. 4, pp. 1340-1356, 2024.

[82] C. Lyu, P. Liu, T. Hu, Q. Qu, X. Geng, T. Sun, H. Guo, R.A.D. Akkermans, Numerical Investigations on Phase Cancelation of Interaction Noise for Counter-Rotating Propellers, AIAA Journal, Vol. 62, No. 5, pp. 1826-1839, 2024.

[81] W. Tang, P. Liu, T. Hu, Q. Qu, H. Guo, Y. Liu, R.A.D. Akkermans, Effect of Gurney Flaps on a Nonslender Delta Wing During Large-amplitude and High-frequency Dynamic Pitching, Aerospace Science and Technology, Vol. 142, 108715, 2023.

[80] V.B. Ananthan, R.A.D. Akkermans, T. Hu, P.Q. Liu, D. Burzynski, Effects of localized application of porous material on trailing-edge noise of a circulation-controlled wing, International Journal of Heat and Fluid Flow, Vol. 103, 109209, 2023.

[79] X. Geng, P. Liu, T. Hu, Q. Qu, J. Dai, C. Lyu, Y. Ge, R.A.D. Akkermans, Multi-fidelity optimization of a quiet propeller based on deep deterministic policy gradient and transfer learning, Aerospace Science and Technology, Vol. 137, 108288, 2023.

[78] V.B. Ananthan, R.A.D. Akkermans, Trailing-Edge Noise Reduction Using Bio-inspired Finlets, Journal of Sound and Vibration, Vol. 549, 117553, 2023.

[77] C. Lyu, P. Liu, T. Hu, X. Geng, Q. Qu, T. Sun, R.A.D. Akkermans, A Hybrid Method for Local-Wall Refinement in Lattice Boltzmann Method Simulations, Physics of Fluids, Vol. 35, 017103, 2023.

[76] C. Lyu, P. Liu, T. Hu, X. Geng, T. Sun, R.A.D. Akkermans, A sliding mesh approach to the Lattice Boltzmann Method based on non-equilibrium extrapolation and its application to rotor flow simulation, Aerospace Science and Technology, Vol. 128, 107755, 2022.

[75] V.B. Ananthan, R.A.D. Akkermans, T. Hu, P. Liu, N. Rathje, Trailing-Edge Noise Reduction Potential of a Locally Applied Shallow Dimpled Surface, Journal of Sound and Vibration, Vol. 525, 116745, 2022.

[74] P. Bernicke, R.A.D. Akkermans, Hybrid Overset-LES Simulations of Noise Reduction Concepts of Loaded Airfoils, Journal of Physics: Conference Series, Vol. 1909, pp. 1-8, 2021.

[73] Q. Chen, T. Hu, P. Liu, Q. Qu, H. Guo, R.A.D. Akkermans, The dynamical vortical flow behaviour on a coplanar canard configuration during large-amplitude-pitching, Aerospace Science and Technology, Vol. 112, 106553, 2021.

[72] T. Hu, Y. Zhao, P. Liu, Q. Qu, H. Guo, R.A.D. Akkermans, Investigation on lift characteristics of a double delta wing pitching in various reduced frequencies, Journal of Aerospace Engineering, Vol. 235, pp. 2081-2094, 2021.

[71] T. Hu, C. Cheng, P. Liu, Y. Huang, Z. Zhang, Q. Qu, H. Guo, R.A.D. Akkermans, Control of self-induced roll oscillations using sinusoidal leading-edge for low-aspect-ratio wings, Experiments in Fluids, Vol. 61, 166, 2020.

[70] V.B. Ananthan, P. Bernicke, R.A.D. Akkermans, Aeroacoustic Analysis of a Circulation Controlled High-Lift Device by Zonal Overset-LES, AIAA Journal, Vol. 58, pp. 5294-5305, 2020.

[69] Q. Chen, T. Hu, P. Liu, Y. Liu, Q. Qu, H. Guo, R.A.D. Akkermans, Experiments on asymmetric vortex pair interaction with the ground, Experiments in Fluids, Vol. 61, 150, 2020.

[68] Y. Li, P. Liu, T. Hu, Q. Qu, G. Eitelberg, R.A.D. Akkermans, Dynamic lift characteristics of nonslender delta wing in large-amplitude-pitching, Aerospace Science and Technology, Vol. 105, 105937, 2020.

[67] V.B. Ananthan, P. Bernicke, R.A.D. Akkermans, P. Liu, T. Hu, Effect of Porous Material on Trailing Edge Sound Sources of a Lifting Airfoil by Zonal Overset-LES, Journal of Sound and Vibration, Vol. 480, 115386, 2020.

[66] P. Bernicke, R.A.D. Akkermans, R. Ewert, J. Dierke, Acoustic Relaxation Term for Damping and Forcing of Waves, AIAA Journal, Vol. 58, pp. 2029-2041, 2020.

[65] P. Bernicke, R.A.D. Akkermans, V.B. Ananthan, R. Ewert, J. Dierke, L. Rossian, A Zonal Noise Prediction Method for Trailing-Edge Noise with a Porous Model, International Journal of Heat and Fluid Flow, Vol. 80, 108469-1-11, 2019.

[64] A.H. Dawi, R.A.D. Akkermans, Direct Noise Computation of a Generic Vehicle Model using a Finite Volume Method, Computers and Fluids, Vol. 191, 104243-1-12, 2019.

[63] Y. Wang, P. Liu, T. Hu, Q. Qu, Q. Chen, R. Akkermans, Experimental investigations on the interaction of the single co-rotating vortex with the ground, AIAA Journal, Vol. 57, pp. 499-512, 2019.

[62] T. Hu, P. Liu, Y. Yuan, Q. Qu, R. Akkermans, Experimental investigations on co-rotating vortex pair merger in convergent/divergent channel flow with single-side wall deflection, Experiments in Fluids, Vol. 59, 188-1-18, 2018.

[61] A. Dawi, R.A.D. Akkermans, Spurious Noise in Direct Noise Computation with a Finite Volume Method for Automotive Applications, International Journal of Heat and Fluid Flow, Vol. 72, pp. 243-256, 2018.

[60] A. Dawi, R.A.D. Akkermans, Direct and Integral Noise Computation of Two Square Cylinders in Tandem Arrangement, Journal of Sound and Vibration, Vol. 436, pp. 138-154, 2018.

[59] R.A.D. Akkermans, P. Bernicke, R. Ewert, J. Dierke, Zonal Overset-LES with Stochastic Volume Forcing for Trailing-Edge Noise Sources, International Journal of Heat and Fluid Flow, Vol. 70, pp. 336-347, 2018.

[58] R.A.D. Akkermans, A. Stuermer, J.W. Delfs, Active Flow Control for Interaction Noise Reduction of Contra-Rotating Open Rotors, AIAA Journal, Vol. 54, pp. 1413-1423, 2016.

[57] A. Stuermer, J. Yin, R.A.D. Akkermans, Progress in Aerodynamic and Aeroacoustic Integration of CROR Propulsion Systems, The Aeronautical Journal, Vol. 118, pp. 1137-1158, 2014.

[56] A. Stuermer, R.A.D. Akkermans, Multidisciplinary Analysis of CROR Propulsion Systems: DLR Activities in the JTI SFWA Project, CEAS Aeronautical Journal, Vol. 5, pp. 265-277, 2014.

[55] R.A.D. Akkermans, A.P.C. Holten, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Array of vortices in shallow fluids: Three-dimensional structure and dispersion, European Journal of Mechanics B/Fluids, Vol. 34, pp. 131-145, 2012.

[54] R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Three-dimensional flow in electromagnetically driven shallow two-layer fluids, Physical Review E, Vol. 82, 026314-1-11, 2010.

[53] A.R. Cieslik, R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Dipole-wall collision in a shallow fluid layer, European Journal of Mechanics - B/Fluids, Vol. 28, pp. 397-404, 2009.

[52] R.A.D. Akkermans, A.R. Cieslik, L.P.J. Kamp, R.R. Trieling, H.J.H. Clercx, and G.J.F. van Heijst, The three-dimensional structure of an electromagnetically generated dipolar vortex in a shallow fluid layer, Physics of Fluids, Vol. 20, pp. 116601-1-15, 2008.

[51] R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Intrinsic three-dimensionality in electromagnetically driven shallow flows, EPL EuroPhysics Letters, Vol. 83, pp. 24001-1-6, 2008.

[50] R.P.J. Kunnen, H.J.H. Clercx, B.J. Geurts, L.J. van Bokhoven, R.A.D. Akkermans, R. Verzicco, Numerical and experimental investigation of structure function scaling in turbulent Rayleigh-Bénard convection, Physical Review E, Vol. 77, pp. 016302-1-13, 2008.

Works selected in European Aeroacoustics Research Highlights (CEAS-ASC, in Journal of Sound and Vibration):

[49] R.A.D. Akkermans, T. Hu, C. Lyu, 3.1. Phase Cancelation of Interaction Noise for Counter-Rotating Propellers, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2024 highlights, by P. Dragaşanu, D. Casalino, and N. Burtea, Journal of Sound and Vibration, Vol. 484, 119739, 2026.

[48] V.B. Ananthan, P. Bernicke, R.A.D. Akkermans, 1.2: Trailing-edge noise reduction using bio-inspired finlets, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2023 highlights, by D. Casalino and C. Schram, Journal of Sound and Vibration, Vol. 596, 118732, 2025.

[47] R.A.D. Akkermans, V.B. Ananthan, T. Hu, P. Liu, D. Burzynski, 1.3: Noise reduction by localized application of porous material to a trailing edge of a circulation-controlled wing, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2023 highlights, by D. Casalino and C. Schram, Journal of Sound and Vibration, Vol. 596, 118732, 2025.

[46] C. Lyu, T. Hu, R.A.D. Akkermans, 2.4: Lattice Boltzmann Method with Local Wall-Refinement for Aeroacoustic Applications, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2023 highlights, by D. Casalino and C. Schram, Journal of Sound and Vibration, Vol. 596, 118732, 2025.

[45] R.A.D. Akkermans, V.B. Ananthan, 1.1: Trailing-edge noise reduction by locally-applied shallow surface dimples, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2022 highlights, by C. Schram and G.J. Bennett, Journal of Sound and Vibration, Vol. 568, 117895, 2024.

[44] R.A.D. Akkermans, V.B. Ananthan, P. Bernicke, 3.7: Aeroacoustic investigation of a circulation-controlled high-lift flap by overset-LES, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2020 & 2021 highlights, by A.B. Nagy, J. Delfs, and G.J. Bennett, Journal of Sound and Vibration, Vol. 534, 117002, 2022.

[43] V.B. Ananthan, P. Bernicke, R.A.D. Akkermans, T. Hu, P. Liu, 3.5: An overset-LES study of trailing edge noise reduction mechanisms of porous material on a lifting aerofoil, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2020 & 2021 highlights, by A.B. Nagy, J. Delfs, and G.J. Bennett, Journal of Sound and Vibration, Vol. 534, 117002, 2022.

[42] P. Bernicke, R.A.D. Akkermans, R. Ewert, J. Dierke, 2.12: An acoustic relaxation term for damping and forcing of waves, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2020 & 2021 highlights, by A.B. Nagy, J. Delfs, and G.J. Bennett, Journal of Sound and Vibration, Vol. 534, 117002, 2022.

[41] P. Bernicke, R.A.D. Akkermans, V.B. Ananthan, R. Ewert, J. Dierke, L. Rossian, 7.6. A hybrid zonal prediction method for noise from a porous trailing-edge, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2019 highlights, by R. Camussia and G.J. Bennett, Journal of Sound and Vibration, Vol. 484, 115540, 2020.

[40] A.H. Dawi, R.A.D. Akkermans, 8.2. Direct noise computation for automotive cabin noise predictions, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2019 highlights, by R. Camussia and G.J. Bennett, Journal of Sound and Vibration, Vol. 484, 115540, 2020.

[39] P. Bernicke, R.A.D. Akkermans, 6.1: A novel zonal approach for sound source prediction, In Aeroacoustics research in Europe: The CEAS-ASC report on 2017 highlights, by L. Enghardt, Journal of Sound and Vibration, Vol. 450, pp. 175-198, 2019.

[38] J. Dierke, R.A.D. Akkermans, J.W. Delfs, 7.1: Installation effects of a propeller mounted on a wing with Coanda flap, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2014 high-lights, by Y. Detandt, Journal of Sound and Vibration, Vol. 357, pp. 107-127, 2015.

[37] R.A.D. Akkermans, A. Stuermer, J.W. Delfs, 6.2: Feasibility of front-rotor trailing-edge-blowing for the reduction of CROR interaction noise, In: Aeroacoustics research in Europe: The CEAS-ASC report on 2013 highlights, by G.J. Bennett et al., Journal of Sound and Vibration, Vol. 340, pp. 39-60, 2015.

Book chapters:

[36] P. Bernicke, V.B. Ananthan, R.A.D. Akkermans, J. Dierke, R. Ewert, Scale-resolving simulation of Aeroacoustic Sound from Coanda Flaps, In: Fundamentals of High-Lift for Future Civil Aircraft, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 154, pp. 529-543, 2021.

[35] P. Bernicke, R.A.D. Akkermans, R. Ewert, J. Dierke, Overset-LES with Stochastic Forcing for Sound Source Simulation, In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, New Results in Numerical and Experimental Fluid Mechanics XI, Vol. 136, pp. 601-610, 2018.

[34] R.A.D. Akkermans, N. Buchmann, J. Dierke, R. Ewert, Overset DNS with Application to Homo-geneous Decaying Turbulence, In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, New Results in Numerical and Experimental Fluid Mechanics X, Vol. 132, pp. 699-707, 2016.

[33] R.A.D. Akkermans, R. Ewert, S.M.A. Moghadam, J. Dierke, N. Buchmann, Overset DNS with Application to Sound Source Prediction, In: Progress in Hybrid RANS-LES Modelling, Notes on Numerical Fluid Dynamics and Multidisciplinary Design, Vol. 130, Springer-Verlag, pp. 59-68, 2015.

[32] R.A.D. Akkermans et al., Aeroacoustic and Aerodynamic Importance of Unequal Rotor Rotation Speeds of a CROR, In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, New Results in Numerical and Experimental Fluid Mechanics IX, Vol. 124, Springer-Verlag, pp. 593-600, 2014.

[31] A. Stuermer, R.A.D. Akkermans, J.W. Delfs, Assessment of Front Rotor Trailing Edge Blowing for the Reduction of Open Rotor Interaction Noise, In: Notes in Numerical Fluid Mechanics and Multidisciplinary Design, New Results in Numerical and Experimental Fluid Mechanics IX, Vol. 124, Springer Verlag, pp. 609-618, 2014.

Proceedings:

[30] V.B. Ananthan, R.A.D. Akkermans, T. Hu, P. Liu, D. Burzynski, Noise reduction of a circulation-controlled wing with porous insert, Proceedings of the 15th ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM15), pp. 1-5, 2025.

[29] T. Haeckel, L. von Roenn, N. Juchmann, A. Fay, R. Akkermans, T. Tiedemann, T.C. Schmidt, Coordinating Cooperative Perception in Urban Air Mobility for Enhanced Environmental Awareness, IEEE: International Conference on Unmanned Aircraft Systems (ICUAS), 2024.

[28] L. von Roenn, T. Haeckel, N. Juchmann, T. Grebner, D. Kloock-Schreiber, T. Tiedemann, V. Gollnick, R. Akkermans, A. Fay, Concept for Cooperative Conflict Detection and Resolution in a U-Space Ecosystem, IEEE: New Trends in Civil Aviation, IEEE, 2024.

[27] S. Huettig, T. Gericke, A. Sciacchitano, R.A.D. Akkermans, Automotive on-road flow quantification with a large scale Stereo-PIV set-up, 13th FKFS-Conference Vehicle Aerodynamics and Thermal Management, Stuttgart, 2023.

[26] S. Huettig, T. Gericke, A. Sciacchitano, R.A.D. Akkermans, Automotive on-road flow quantification with a large scale Stereo-PIV set-up, 15th International Symposium on Particle Image Velocimetry (ISPIV2023), San Diego, USA, 2023.

[25] R.A.D. Akkermans, P. Bernicke, V.B. Ananthan, T. Hu, P. Liu, D. Burzynski, Noise Reduction by Local Application of Porous Material within Aeronautical Context, DAGA2023 - 49. Jahrestagung für Akustik, Hamburg, 2023.

[24] V.B. Ananthan, R.A.D. Akkermans, D. Kozulovic, Trailing-edge noise reduction of a wing by a surface modification, Inter-Noise 2021 Conference Proceedings (reviewed), pp. 1-8, 2021.

[23] V.B. Ananthan, R.A.D. Akkermans, Investigation of effect of Porous material on Trailing Edge Noise by Overset-LES, Proceedings of 12th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM12), pp. 1-5, 2018.

[22] P. Bernicke, R.A.D. Akkermans, V. Bharadwaj, R. Ewert, J. Dierke, L. Rossian, Overset LES of a Solid and Porous NACA0012 Trailing Edge, 24th AIAA/CEAS Aeroacoustics Conference, Atlanta, 2018.

[21] C. Cheng, T. Hu, P. Liu, Z. Zhang, Q. Qu, R. Akkermans, Self-Induced Roll Characteristics of Low-Aspect-Ratio Flat-Plate Wings Improved by Sinusoidal Edge; 36th AIAA Applied Aerodynamics Conference, Atlanta, 2018.

[20] J. Liao, T. Hu, P. Liu, Q. Gao, J. Wang, R. Akkermans, Experimental investigations on a non-slender delta wing in large amplitude pitching motions, The 14th Asian Symposium on Visualization, Beijing, pp. 1-23, 2017.

[19] P. Bernicke, R.A.D. Akkermans, R. Ewert, J. Dierke, Overset LES for Trailing-Edge Noise Computations, 23rd AIAA/CEAS Aeroacoustics Conference, Denver, AIAA 2017-3170, pp. 1-13, 2017.

[18] R. Akkermans, Progress with turbulence resolving simulations for noise sources, The Third NPU-DLR Joint Workshop on Aerodynamics, Xi'an, China 2016.

[17] R.A.D. Akkermans, P. Bernicke, R. Ewert, J. Dierke, Overset LES with Application to Trailing-Edge Noise Computations, Proceedings of 11th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM11), pp. 1-5, 2016.

[16] R.A.D. Akkermans, P. Bernicke, R. Ewert, J. Dierke, From CAA to CFD, In: Proceedings in Applied Mathematics and Mechanics PAMM, Braunschweig, S12-1075, Braunschweig, 2016.

[15] P. Bernicke, R.A.D. Akkermans, R. Ewert, J. Dierke, Overset LES with an Acoustic Relaxation Term for Sound Source Simulations, 22nd AIAA Aeroacoustics Conference, AIAA 2016-3031, pp. 1-14, 2016.

[14] G. Pagnini, R.A.D. Akkermans, A. Mentrelli, N. Buchmann, Reacting Fronts in Random Environments, In: Proceedings of the 14th International Conference on Non-Linear Analysis, Non-Linear Systems and Chaos (NOLASC15), Rome, Italy, November 7-9, pp. 1-6, 2015.

[13] P. Bernicke, R.A.D. Akkermans, R. Ewert, N. Buchmann, J. Dierke, Towards Overset LES for aeroacoustic source prediction, In: Proceedings of the 15th European Turbulence Conference, 25-28 August, Delft, Netherlands, pp. 1-2, 2015.

[12] G. Pagnini, R.A.D. Akkermans, N. Buchmann, A. Mentrelli, Reaction-diffusion equation and G-equation approaches reconciled in turbulent premixed combustion modelling, In: XXXVIII Meeting of the Italian Section of the Combustion Institute, Lecce, Italy, September 20-23, pp. 1-6, 2015.

[11] R.A.D. Akkermans, M. Pott-Pollenske, H. Buchholz, J.W. Delfs, D. Almoneit, Installation Effects of a Propeller Mounted on a High-Lift Wing with a Coanda Flap. Part I: Aeroacoustic Experiments, 20th AIAA/CEAS Aeroacoustics Conference, Atlanta, AIAA 2014-3191, pp. 1-14, 2014.

[10] J. Dierke, R.A.D. Akkermans, J.W. Delfs, R. Ewert, Installation Effects of a Propeller Mounted on a Wing with Coanda Flap. Part II: Numerical Investigation and Experimental Validation, 20th AIAA/CEAS Aeroacoustics Conference, Atlanta, AIAA 2014-3189, pp. 1-23, 2014.

[9] A. Stuermer, R.A.D. Akkermans, Validation of Aerodynamic and Aeroacoustic Simulations of Contra-Rotating Open Rotors at Low-Speed Flight Conditions, 32nd AIAA Applied Aerodynamics Conference, Atlanta, AIAA 2014-3133, pp. 1-20, 2014.

[8] R.A.D. Akkermans, A. Stuermer, J.W. Delfs, Active Flow Control for Interaction Noise Reduction of Contra-Rotating Open Rotors, proceedings of the 49th Joint Propulsion Conference & Exhibit, San Jose, AIAA 2013-3799, pp. 1-15, 2013.

[7] R.A.D. Akkermans, A. Stuermer, J.W. Delfs, Assessment of Front-Rotor Trailing-Edge-Blowing for the Reduction of Open Rotor Noise Emissions, proceedings of the 19th AIAA/CEAS Aeroacoustics Conference, Berlin, AIAA 2013-2200, pp. 1-10, 2013.

[6] R.A.D. Akkermans, J.W. Delfs, M. Lummer, M. Siefert, Ch. Tiedemann, B. Caruelle, Handling of non-periodic CROR data, proceedings of 18th AIAA/CEAS aeroacoustic conference, Colorado Springs, AIAA 2012-2262, pp. 1-10, 2012.

[5] R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, The 3D structure of a dipole in a shallow two-layer fluid, in Advances in Turbulence XII. Proceedings of the 12th EUROMECH European Turbulence Conference; Editor: B. Eckhardt, Marburg, Germany, pp. 289-292, 2009.

[4] R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, The 3D structure of a dipole in shallow layers of fluid, in Proceedings of the Second International Symposium on Shallow Flows (ISSF); Editors: M. Ghidaoui and Y.K. Tung, HKUST, Hong Kong, A0067, pp. 1-6, 2008.

[3] R.A.D. Akkermans, A.R. Cieslik, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Stereoscopic-PIV study of a dipole in a shallow fluid layer, in Advances in Turbulence XI. Proceedings of the 11th EUROMECH European Turbulence Conference, Porto, Portugal, pp. 265-267, 2007.

[2] A.R. Cieslik, R.A.D. Akkermans, L.P.J. Kamp, H.J.H. Clercx, G.J.F. van Heijst, Three-dimensional structures during a dipole-wall collision in shallow flows, in Advances in Turbulence XI. Proceedings of the 11th EUROMECH European Turbulence Conference, Porto, Portugal, pp. 268-270, 2007.

[1] F. Scarano, L. David, M. Bsibsi, D. Calluaud, R.A.D. Akkermans, Comparison of two S-PIV techniques: pinhole model vs. image dewarping and misalignment correction. 12th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon, pp. 1-12, 2004.

Theses:

• R.A.D. Akkermans, 3D Structures and Dispersion in Shallow Fluid Layers, PhD thesis, Eindhoven University of Technology, Department of Applied Physics, The Netherlands, ISBN 978-90-386-2283-5, 2010. Supervisors: Prof. Dr. G.J.F. van Heijst, Prof. Dr. H.J.H. Clercx, Dr. L.P.J. Kamp.
• R.A.D. Akkermans, Advances in Stereoscopic Particle Image Velocimetry and Application to a Supersonic Planar Base Flow, MSc thesis, Delft University of Technology, Department of Aerospace Engineering, The Netherlands, 2004. Supervisors: Prof. Dr. F. Scarano, Dr. B.W. van Oudheusden.