Publications

 

Journal articles

2023

Optimal blade pitch control for enhanced vertical-axis wind turbine performance

K. Mulleners; S. Le Fouest 

2023-07-10.  p. 28. DOI : 10.21203/rs.3.rs-3121052/v1.

Identification of the trade-off between speed and efficiency in undulatory swimming using a bio-inspired robot

A. Anastasiadis; L. Paez; K. Melo; E. D. Tytell; A. Ijspeert et al. 

Scientific Reports. 2023. Vol. 13, num. 1, p. 15032 . DOI : 10.1038/s41598-023-41074-9.

Strength and timing of primary and secondary vortices generated by a rotating plate

D. Francescangeli; K. Mulleners 

Experiments in Fluids. 2023. Vol. 64, p. 128(2023). DOI : 10.1007/s00348-023-03667-y.

Time scales of dynamic stall development on a vertical-axis wind turbine blade

S. Le Fouest; D. Fernex; K. Mulleners 

Flow. Applications on Fluid Mechanics. 2023. num. 3(2023), p. E11. DOI : 10.1017/flo.2023.5.

Review of rotating wing dynamic stall: Experiments and flow control

A. D. Gardner; A. R. Jones; K. Mulleners; J. W. Naughton; M. J. Smith 

Progress in Aerospace Sciences. 2023. Vol. 137, p. 100887. DOI : 10.1016/j.paerosci.2023.100887.

2022

To tread or not to tread: comparison between water treading and conventional flapping wing kinematics

S. Krishna; A. Gehrke; K. Mulleners 

Bioinspiration & Biomimetics. 2022-11-01. Vol. 17, num. 6, p. 066018. DOI : 10.1088/1748-3190/ac9a1b.

Aeroelastic characterisation of a bio-inspired flapping membrane wing

A. Gehrke; J. Richeux; E. Uksul; K. Mulleners 

Bioinspiration & Biomimetics. 2022-11-01. Vol. 17, num. 6, p. 065004. DOI : 10.1088/1748-3190/ac8632.

The dynamic stall dilemma for vertical-axis wind turbines

S. Le Fouest; K. Mulleners 

Renewable Energy. 2022-10-01. Vol. 198, p. 505-520. DOI : 10.1016/j.renene.2022.07.071.

Lagrangian analysis of bio-inspired vortex ring formation

M. Baskaran; K. Mulleners 

Flow. 2022-07-01. Vol. 2, p. E16. DOI : 10.1017/flo.2022.9.

All you need is time to generalise the Goman-Khrabrov dynamic stall model

F. Ayancik; K. Mulleners 

Journal Of Fluid Mechanics. 2022-05-19. Vol. 942, p. R8. DOI : 10.1017/jfm.2022.381.

Experimental quantification of unsteady leading-edge flow separation

J. Deparday; X. He; J. D. Eldredge; K. Mulleners; D. R. Williams 

Journal of Fluid Mechanics. 2022-05-10. Vol. 941, p. A60. DOI : 10.1017/jfm.2022.319.

Greenberg’s Force Prediction for Vertical-Axis Wind Turbine Blades

D. Bensason; S. Le Fouest; A. Young; K. Mulleners 

Aiaa Journal. 2022-02-16. DOI : 10.2514/1.J061417.

Tapered foils favor traveling-wave kinematics to enhance the performance of flapping propulsion

P. Leroy-Calatayud; M. Pezzulla; A. Keiser; K. Mulleners; P. M. Reis 

Physical Review Fluids. 2022. Vol. 7, num. 7, p. 074403. DOI : 10.1103/PhysRevFluids.7.074403.

Estimating the non-dimensional energy of vortex rings by modelling their roll-up

G. de Guyon; K. Mulleners 

Journal of Fluid Mechanics. 2022. Vol. 940, p. R2. DOI : 10.1017/jfm.2022.275.

On the parametrisation of motion kinematics for experimental aerodynamic optimisation

C. Busch; A. Gehrke; K. Mulleners 

Experiments in Fluids. 2022. Vol. 63, num. 10. DOI : 10.1007/s00348-021-03367-5.

2021

The dynamics and timescales of static stall

S. Le Fouest; J. Deparday; K. Mulleners 

Journal of Fluids and Structures. 2021-06-03. Vol. 104, p. 103304. DOI : 10.1016/j.jfluidstructs.2021.103304.

Discrete shedding of secondary vortices along a modified Kaden spiral

D. Francescangeli; K. Mulleners 

Journal Of Fluid Mechanics. 2021-04-30. Vol. 917, p. A44. DOI : 10.1017/jfm.2021.259.

Phenomenology and scaling of optimal flapping wing kinematics

A. Gehrke; K. Mulleners 

Bioinspiration & Biomimetics. 2021-03-01. Vol. 16, num. 2, p. 026016. DOI : 10.1088/1748-3190/abd012.

Scaling of the translational velocity of vortex rings behind conical objects

G. de Guyon; K. Mulleners 

Physical Review Fluids. 2021-02-11. Vol. 6, num. 2, p. 024701. DOI : 10.1103/PhysRevFluids.6.024701.

Unsteady lift on a high-amplitude pitching aerofoil

S. Ōtomo; S. Henne; K. Mulleners; K. Ramesh; I. M. Viola 

Experiments in Fluids. 2021. Vol. 62, p. 6. DOI : 10.1007/s00348-020-03095-2.

2020

Experimental analysis of multiscale vortex shedding in turbulent turbomachine blade wakes

P. Gilge; J. R. Seume; K. Mulleners 

AIAA Journal. 2020.  p. 1-8. DOI : 10.2514/1.J059476.

Stall Delay and Leading-Edge Suction for a Pitching Airfoil with Trailing-Edge Flap

G. He; J. Deparday; L. Siegel; A. Henning; K. Mulleners 

AIAA Journal. 2020.  p. 1-10. DOI : 10.2514/1.J059719.

Multiscale Vortex Characteristics of Dynamic Stall from Empirical Mode Decomposition

P. J. Ansell; K. Mulleners 

AIAA Journal. 2020. Vol. 58, num. 2, p. 1-18. DOI : 10.2514/1.J057800.

2019

Modeling the interplay between the shear layer and leading edge suction during dynamic stall

J. Deparday; K. Mulleners 

Physics of Fluids. 2019-10-03. Vol. 31, num. 10, p. 107104. DOI : 10.1063/1.5121312.

Effect of pitch on the flow behavior around a hovering wing

S. Krishna; M. A. Green; K. Mulleners 

Experiments in Fluids. 2019-04-25. Vol. 60, num. 5, p. 60:86. DOI : 10.1007/s00348-019-2732-3.

Coherent Structure Interaction During Unsteady Separation

M. S. Melius; K. Mulleners; R. B. Cal 

AIAA Journal. 2019. Vol. 57, num. 8, p. 3239-3249. DOI : 10.2514/1.J058059.

2018

Genetic Algorithm Based Optimization of Wing Rotation in Hover

A. Gehrke; G. Guyon-Crozier; K. Mulleners 

Fluids. 2018. Vol. 3, num. 3, p. 59. DOI : 10.3390/fluids3030059.

The role of surface vorticity during unsteady separation

M. S. Melius; K. Mulleners; R. B. Cal 

Physics of Fluids. 2018. Vol. 30, num. 4, p. 045108. DOI : 10.1063/1.5006527.

Cross-correlation analysis of synchronized PIV and microphone measurements of an oscillating airfoil

L. Siegel; K. Ehrenfried; C. Wagner; K. Mulleners; A. Henning 

Journal of Visualization. 2018. Vol. 21, p. 381–395. DOI : 10.1007/s12650-018-0473-7.

Flowfield and Force Evolution for a Symmetric Hovering Flat-Plate Wing

S. Krishna; M. Green; K. Mulleners 

AIAA Journal. 2018. Vol. 56, num. 4, p. 1360-1371. DOI : 10.2514/1.J056468.

2017

Analysis of Intermittent Trailing-Edge Vortex Shedding Using Recurrence Plots

K. Mulleners; M. Ruetten 

AIAA Journal. 2017. Vol. 56, num. 2, p. 571-580. DOI : 10.2514/1.J056329.

Flow Development on a Flat-Plate Wing Subjected to a Streamwise Acceleration

K. Mulleners; P. Mancini; A. R. Jones 

AIAA Journal. 2017. Vol. 55, num. 6, p. 2118-2122. DOI : 10.2514/1.J055497.

2016

Resulting Aerodynamic Losses of Combinations of Localized Roughness Patches on Turbine Blades

P. Gilge; K. Mulleners 

AIAA Journal. 2016. Vol. 54, num. 8, p. 2552-2555. DOI : 10.2514/1.J054602.

Dynamic stall of an experimental wind turbine blade

M. Melius; R. B. Cal; K. Mulleners 

Physics of Fluids. 2016. Vol. 28, num. 3, p. 034103. DOI : 10.1063/1.4942001.

Characterizing a burst leading-edge vortex on a rotating flat plate wing

A. R. Jones; A. Medina; H. Spooner; K. Mulleners 

Experiments in Fluids. 2016. Vol. 57, num. 4, p. 1-16. DOI : 10.1007/s00348-016-2143-7.

2014

Impact of surface roughness on the turbulent wake flow of a turbine blade

K. Mulleners; P. Gilge; S. Hohenstein 

Journal of Aerodynamics. 2014. Vol. 2014, p. 458757. DOI : 10.1155/2014/458757.

2013

Dynamic stall development

K. Mulleners; M. Raffel 

Experiments in fluids. 2013. Vol. 54, num. 2, p. 1-9. DOI : 10.1007/s00348-013-1469-7.

Dynamic stall control by passive disturbance generators

B. Heine; K. Mulleners; G. Joubert; M. Raffel 

AIAA journal. 2013. Vol. 51, num. 9, p. 2086-2097. DOI : 10.2514/1.J051525.

2012

Dynamic stall on a fully equipped helicopter model

K. Mulleners; K. Kindler; M. Raffel 

Aerospace Science and Technology. 2012. Vol. 19, num. 1, p. 72-76. DOI : 10.1016/j.ast.2011.03.013.

The onset of dynamic stall revisited

K. Mulleners; M. Raffel 

Experiments in fluids. 2012. Vol. 52, num. 3, p. 779-793. DOI : 10.1007/s00348-011-1118-y.

2011

Density tagging velocimetry

M. Raffel; R. Hernandez-Rivera; B. Heine; A. Schröder; K. Mulleners 

Experiments in fluids. 2011. Vol. 51, num. 2, p. 573-578. DOI : 10.1007/s00348-011-1058-6.

Aperiodicity in the near field of full-scale rotor blade tip vortices

K. Kindler; K. Mulleners; H. Richard; B. G. van der Wall; M. Raffel 

Experiments in fluids. 2011. Vol. 50, num. 6, p. 1601-1610. DOI : 10.1007/s00348-010-1016-8.

2007

Impact of an invasive species, Crepidula fornicata, on the hydrodynamics and transport properties of the benthic boundary layer

F. Y. Moulin; K. Guizien; G. Thouzeau; G. Chapalain; K. Mulleners et al. 

Aquatic Living Resources. 2007. Vol. 20, num. 01, p. 15-31. DOI : 10.1051/alr:2007012.

Critical parameters for the partial coalescence of a droplet

T. Gilet; K. Mulleners; J-P. Lecomte; N. Vandewalle; S. Dorbolo 

Physical Review E. 2007. Vol. 75, num. 3, p. 036303. DOI : 10.1103/PhysRevE.75.036303.

2006

Dancing droplets onto liquid surfaces

N. Vandewalle; D. Terwagne; K. Mulleners; T. Gilet; S. Dorbolo 

Physics of Fluids. 2006. Vol. 18, num. 9, p. 91106-91106. DOI : 10.1063/1.2335905.

PhD theses

The effects of kinematics, flexibility, and planform on the vortex formation and aerodynamic performance of flapping wing flight

A. Gehrke / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2023. 

Dynamic stall characterisation and control for vertical-axis wind turbines

S. Le Fouest / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2023. 

Growth, timing, & trajectory of vortices behind a rotating plate

D. Francescangeli / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2022. 

Evolution of the vorticity distribution in vortex rings

G. de Guyon-Crozier / K. A. J. Mulleners (Dir.)  

Lausanne, EPFL, 2021. 

Unsteady fluid dynamics around a hovering flat plate wing

S. B. Krishna / K. A. J. Mulleners; M. A. Green (Dir.)  

Lausanne, EPFL, 2017. 

On the Coherent Structure Behind the Phenomenon of Dynamic Stall

K. Mulleners 

2010. 

Book contributions

Applications: Helicopter Aerodynamics, Particle Image Velocimetry

K. Mulleners; M. Raffel 

Particle Image Velocimetry; Springer International Publishing, 2018. p. 477-499.

Towards In-Flight Measurements of Helicopter Blade Tip Vortices

K. Kindler; K. Mulleners; M. Raffel 

Advanced In-Flight Measurement Techniques; Springer, 2013. p. 171-185.

Conference proceedings

2023

Proprioceptive Sensing of Soft Tentacles with Model Based Reconstruction for Controller Optimization

A. Vicari; N. Obayashi; F. Stella; G. Raynaud; K. Mulleners et al. 

2023. Robosoft 2023 6th IEEE-RAS International Conference on Soft Robotics, Singapore, April 3-7, 2023. DOI : 10.1109/RoboSoft55895.2023.10121999.

2021

Learning interpretable latent dynamics for a 2D airfoil system

C. Donner; N. Tagasovska; G. He; K. Mulleners; H. Shimazaki et al. 

2021. RobustML workshop at ICLR 2021, online, May 7, 2021.

2020

Predicting unsteady flow separation in response to a flow disturbance

K. Mulleners; J. Deparday; G. He; S. Henne 

2020-01-06. AIAA Scitech 2020 Forum, Orlando, FL, USA, January 6-10, 2020. DOI : 10.2514/6.2020-0083.

An Assessment of the State-of-the-Art from the 2019 ARO Dynamic Stall Workshop

M. J. Smith; A. R. Jones; F. Ayancik Cinoglu; K. Mulleners; J. W. Naughton 

2020. AIAA AVIATION 2020 FORUM, online, June 15-19, 2020. DOI : 10.2514/6.2020-2697.

Dynamic stall on an airfoil undergoing VAWT blade angle of attack variations

S. Henne; S. Le Fouest; K. Mulleners 

2020. The science of making torque from wind, online, September 28 – October 2, 2020. p. 052033. DOI : 10.1088/1742-6596/1618/5/052033.

2019

Adaptive pitching motion kinematics for tuning flapping wing aerodynamic performance

A. Gehrke; K. Mulleners 

2019. 9ᵗʰ International Symposium on Adaptive Motion of Animals and Machines (AMAM 2019), EPFL, Lausanne, Switzerland, August 20th–23rd, 2019. DOI : 10.5075/epfl-BIOROB-AMAM2019-51.

2018

Critical evolution of leading edge suction during dynamic stall

J. Deparday; K. Mulleners 

2018-01-01. 7th Conference on Science of Making Torque from Wind (TORQUE), Milan, ITALY, Jun 20-22, 2018. p. 022017. DOI : 10.1088/1742-6596/1037/2/022017.

Effect Of Surface Roughness On The Characteristic Length Scales In The Wake Of A Compressor Blade: A POD Analysis

P. Gilge; J. R. Seume; K. Mulleners 

2018. 19th international symposium on the applications of laser and imaging techniques to fluid mechanics, Lisbon, Portugal, July 16-19, 2018.

Lagrangian analysis of the formation of vortices on a rotating flat plate

D. Francescangeli; E. Reynaud; G. de Guyon-Crozier; K. Mulleners 

2018. 19th international symposium on the applications of laser and imaging techniques to fluid mechanics, Lisbon, Portugal, July 16-19, 2018.

Dynamic stall vortex shedding and associated load fluctuations

S. Henne; A. Parikh; J. Deparday; K. Mulleners 

2018. 19th international symposium on the applications of laser and imaging techniques to fluid mechanics, Lisbon, Portugal, July 16-19, 2018.

Experimental investigation of the influence of anisotropic surface structures on the boundary layer flow

S. Kurth; C. Hamann; J. R. Seume; K. Mulleners 

2018. 2018 AIAA Aerospace Sciences Meeting, Kissimmee, Florida, January 8-12, 2018. DOI : 10.2514/6.2018-0585.

Analysis of local roughness combinations on the aerodynamic properties of a compressor blade

P. Gilge; J. R. Seume; K. Mulleners 

2018. 2018 AIAA Aerospace Sciences Meeting, Kissimmee, Florida, January 8-12, 2018. DOI : 10.2514/6.2018-0345.

2016

Experimental investigation of a large aspect ratio flat plate encountering a steam-wise gust

K. Mulleners; P. Mancini; A. Jones 

2016. 46th AIAA Fluid Dynamics Conference, Washington, DC, June 2016. DOI : 10.2514/6.2016-4258.

Analysis of intermittent trailing edge vortex shedding using recurrence plots

K. Mulleners; M. Rütten 

2016. 8th international symposium on the applications of laser and imaging techniques to fluid dynamics, Lisbon, Portugal, July 2016.

Influence of surface roughness on the turbulent properties in the wake of a turbine blade

L. Neuhaus; P. Gilge; J. Seume; K. Mulleners 

2016. 18th international symposium on the applications of laser and imaging techniques to fluid dynamics, Lisbon, Portugal, July 2016.

Experimental analysis of the flow development on an airfoil harmonically surging into reverse flow

K. Mulleners; M. Ol; A. R. Jones 

2016. 54th AIAA Aerospace Sciences Meeting, San Diego, CA, Januari 2016. DOI : 10.2514/6.2016-1312.

2015

Towards quantifying effects of refractive index mismatch on PIV results

C. Hamann; S. Kurth; K. Mulleners 

2015. 11th International Symposium on Particle Image Velocimetry, Santa Barbara, California, USA, September 14-16, 2015. p. 64.

Detecting Vortex Burst on a Rotating Low-Aspect Ratio Plate

A. Medina; K. Mulleners; A. R. Jones 

2015. 11th International Symposium on Particle Image Velocimetry, Santa Barbara, California, USA, September 14-16, 2015. p. 51.

Blade sections in streamwise oscillations into reverse flow

A. Jones; J. Hodara; M. Smith; K. Granlund; K. Mulleners et al. 

2015. AHS International Forum, Virginia Beach, Virginia, USA, May 5-7, 2015. p. 2583-2595.

On the resulting aerodynamic loss of combinations of localized surface roughness patches on a turbine blade

P. Gilge; K. Mulleners 

2015. 33rd AIAA Applied Aerodynamics Conference, Dallas, TX, June 2015. p. 3161. DOI : 10.2514/6.2015-3161.

2014

Effect of pitch rate variations on the evolution of the leading edge vortex

K. Mulleners; S. Krishna 

2014. 17th International Symposium on Application of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, July 07-10, 2014.

Effect of rotational phase on the flow topology and force production of a flapping flat-plate wing

S. Krishna; K. Mulleners; M. A. Green 

2014. 54th AIAA Aerospace Sciences Meeting, San Diego, California, USA, DOI : 10.2514/6.2016-0828.

2012

Investigation of the rotor blade tip vortex by PIV and CFD

W. Lang; A. D. Gardner; K. Mulleners; M. Raffel 

2012. 18. DGLR-Fach-Symposium der STAB, Stuttgart, Germany, November 06-07, 2012. p. 106-107.

Characterisation of blade tip vortices by simultaneous time-resolved velocity and density field measurements

W. Lang; K. Mulleners; R. Hernandez-Rivera; E. T. Schairer; J. T. Heineck et al. 

2012. International Workshop on the Application of Praticle Image Velocimetry for Aeroacoustics and Noise, Delft, The Netherlands, April 16-17, 2012. p. 1-3.

Particle Image Velocimetry in Helicopter Aerodynamics: Developments, Challenges and Trends

M. Raffel; K. Mulleners; K. Kindler; J. T. Heineck 

2012.  p. 544-552.

Applications of density tagging velocimetry

M. Raffel; D. Raiser; F. Schuster; K. Mulleners 

2012. 

The dynamics of static stall

K. Mulleners; A. Le Pape; B. Heine; M. Raffel 

2012. 

2010

A time-resolved dynamic stall investigation based on coherent structure analysis

K. Mulleners; M. Raffel 

2010. 15th International Symposium on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, July 5-8, 2010.

2009

A Full-Scale Particle Image Velocimetry Investigation of “Young” Rotor Blade Tip Vortices

K. Kindler; K. Mulleners; H. Richard; M. Raffel 

2009. AHS 65th Annual Forum, Grapevine, Texas, USA, 2009-05-27 / 2009-05-29.

On the effects of leading edge vortex generators on an OA209 airfoil

B. Heine; K. Mulleners; A. Gardner; H. Mai 

2009. 

Investigation of the unsteady flow development over a pitching airfoil by means of TR-PIV

K. Mulleners; A. Henning; H. Mai; M. Raffel; A. Le Pape et al. 

2009.  p. 2011. DOI : 10.2514/6.2009-3504.

2008

Experimental study of the impact of biogenic macrorugosities on the benthic boundary layer

F. Y. Moulin; K. Mulleners; C. Bourg; S. Cazin 

2008.  p. 736-745.

Investigations of a Trailing Edge stall on 2D airfoils

K. Mulleners; A. Henning; M. Raffel 

2008. 14th Int Symp on Applications of Laser Techniques to Fluid Mechanics, Lisbon, Portugal, July 7-10, 2008.