'Renaud 'Ansart

62
Documents

Publications

Publications

Numerical hydrodynamic characterization for the design of a lab-scale jet-loop reactor

Ronny Gueguen , Hervé Neau , William Benguigui , Anne-Marie Billet , Carine Julcour-Lebigue et al.

Chemical Engineering Research and Design, 2025, 217, pp.399-415. ⟨10.1016/j.cherd.2025.04.019⟩

Article dans une revue hal-05036209v1
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Meso-scale numerical analysis of the role of Van der Waals adhesion and static friction in fluidized beds of fine solids

Youssef Badran , Dorian Dupuy , Bruno Blais , Vincent Moureau , Renaud Ansart et al.

Powder Technology, 2025, 455, ⟨10.1016/j.powtec.2025.120763⟩

Article dans une revue hal-05337642v1
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Investigation of near-wall particle statistics in CFD-DEM simulations of dense fluidised beds and derivation of an Eulerian particle dynamic wall boundary condition

Dorian Dupuy , Renaud Ansart , Olivier Simonin

Journal of Fluid Mechanics, 2024, 982, pp.A2. ⟨10.1017/jfm.2024.36⟩

Article dans une revue hal-04524440v1

Calibrating the frictional-pressure model from two-fluid simulation of fluidised beds in the defluidisation regime

Dorian Dupuy , Youssef Badran , Renaud Ansart , Olivier Simonin

Powder Technology, 2024, 441, pp.119776. ⟨10.1016/j.powtec.2024.119776⟩

Article dans une revue hal-04612013v1
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On Using CFD and Experimental Data to Train an Artificial Neural Network to Reconstruct ECVT Images: Application for Fluidized Bed Reactors

Carlos Montilla , Renaud Ansart , Anass Majji , Ranem Nadir , Emmanuel Cid et al.

Processes, 2024, 12 (2), pp.386. ⟨10.3390/pr12020386⟩

Article dans une revue hal-04524446v1

Numerical simulation of solar-driven biomass gasification by using ceramic foam

Yang Liu , Ruming Pan , Renaud Ansart , Gerald Debenest

Process Safety and Environmental Protection, 2024, 184, pp.300-313. ⟨10.1016/j.psep.2024.02.008⟩

Article dans une revue hal-04533748v1

HPC challenges and opportunities of industrial-scale reactive fluidized bed simulation using meshes of several billion cells on the route of Exascale

Hervé Neau , Renaud Ansart , Cyril Baudry , Yvan Fournier , Nicolas Mérigoux et al.

Powder Technology, 2024, 444, pp.120018. ⟨10.1016/j.powtec.2024.120018⟩

Article dans une revue hal-04655454v1
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Macro-scale numerical investigation of the contribution of Van der Waals force to the pressure-drop overshoot in fine-particle fluidized beds

Youssef Badran , Renaud Ansart , Jamal Chaouki , Olivier Simonin

Powder Technology, 2024, 436, pp.119505. ⟨10.1016/j.powtec.2024.119505⟩

Article dans une revue hal-04524470v1
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Charge–velocity correlation transport equations in gas–solid flow with triboelectric effects

Carlos Montilla , Renaud Ansart , Olivier Simonin

Journal of Fluid Mechanics, 2023, 955, pp.A22. ⟨10.1017/jfm.2022.1054⟩

Article dans une revue hal-04747283v1

Comparison between 3D numerical simulations and experimental results of a lab-scale liquid-solid fluidized bed

Almir G.S.L. Ritta , Renaud Ansart , Olivier Simonin

Computer Aided Chemical Engineering, 2022, Computer Aided Chemical Engineering, 51, pp.511-516. ⟨10.1016/B978-0-323-95879-0.50086-2⟩

Article dans une revue hal-04300187v1
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Dense upflow fluidized bed (DUFB) solar receivers of high aspect ratio: Different fluidization modes through inserting bubble rupture promoters

Yimin Deng , Florian Sabatier , Raf Dewil , Gilles Flamant , Alex Le Gal et al.

Chemical Engineering Journal, 2021, 418, pp.129376. ⟨10.1016/j.cej.2021.129376⟩

Article dans une revue hal-03187264v1
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Reviewing the thermo-chemical recycling of waste polyurethane foam

Yimin Deng , Raf Dewil , Lise Appels , Renaud Ansart , Jan Baeyens et al.

Journal of Environmental Management, 2021, 278, Part 1 (111527), pp.0. ⟨10.1016/j.jenvman.2020.111527⟩

Article dans une revue hal-03030784v1
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11CO2 positron emission imaging reveals the in-situ gas concentration profile as function of time and position in opaque gas-solid contacting systems

Jonathan Seville , Yimin Deng , Sarah Dawn Bell , Raf Dewil , Lise Appels et al.

Chemical Engineering Journal, 2020, 404, pp.0. ⟨10.1016/j.cej.2020.126507⟩

Article dans une revue hal-02944486v1
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Modelling of the mean electric charge transport equation in a mono-dispersed gas-particle flow

Carlos Montilla , Renaud Ansart , Olivier Simonin

Journal of Fluid Mechanics, 2020, 902, pp.A12. ⟨10.1017/jfm.2020.577⟩

Article dans une revue hal-02949249v1
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The “Screening Index” to Select Building-Scale Heating Systems

Yimin Deng , Raf Dewil , Jan Baeyens , Renaud Ansart , Huili Zhang

IOP Conference Series: Earth and Environmental Science, 2020, 586, pp.906-924. ⟨10.1088/1755-1315/586/1/012004⟩

Article dans une revue hal-04757313v1
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From end-of-life tires to storable energy carriers

Amandine Niezgoda , Yimin Deng , Florian Sabatier , Renaud Ansart

Australasian Journal of Environmental Management, 2020, 276, pp.1-10. ⟨10.1016/j.jenvman.2020.111318⟩

Article dans une revue hal-02972484v1
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Massively parallel numerical simulation using up to 36,000 CPU cores of an industrial-scale polydispersed reactive pressurized fluidized bed with a mesh of one billion cells

Hervé Neau , Maxime Pigou , Pascal Fede , Renaud Ansart , Cyril Baudry et al.

Powder Technology, 2020, 366, pp.906-924. ⟨10.1016/j.powtec.2020.03.010⟩

Article dans une revue hal-02735376v1
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Experiments support simulations by the NEPTUNE_CFD code in an Upflow Bubbling Fluidized Bed reactor

Florian Sabatier , Renaud Ansart , Zhang Huili , Jan Baeyens , Olivier Simonin

Chemical Engineering Journal, 2020, ⟨10.1016/j.cej.2019.123568⟩

Article dans une revue hal-02735384v1
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Reviewing the potential of bio-hydrogen production by fermentation

Jan Baeyens , Huili Zhang , Jiapei Nie , Lise Appels , Raf Dewil et al.

Renewable and Sustainable Energy Reviews, 2020, 131, pp.0. ⟨10.1016/j.rser.2020.110023⟩

Article dans une revue hal-02944546v1
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Flue Gas Desulphurization in Circulating Fluidized Beds

Yiming Deng , Renaud Ansart , Jan Baeyens , Zhang Huili

Energies, 2019, 12 (20), pp.1-19. ⟨10.3390/en12203908⟩

Article dans une revue hal-02339692v1
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Three-dimensional Numerical Simulation of Upflow Bubbling Fluidized Bed in Opaque Tube Under High Flux Solar Heating

Hadrien Benoit , Renaud Ansart , Hervé Neau , Pablo García-Triñanes , Gilles Flamant et al.

AIChE Journal, 2018, 64 (11), pp.3857-3867. ⟨10.1002/aic.16218⟩

Article dans une revue hal-01885182v1
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Dense gas-particle suspension upward flow used as heat transfer fluid in solar receiver: PEPT experiments and 3D numerical simulations

Renaud Ansart , Pablo García-Triñanes , Benjamin Boissière , Hadrien Benoit , Jonathan Seville et al.

Powder Technology, 2017, 307, pp.25-36. ⟨10.1016/j.powtec.2016.11.006⟩

Article dans une revue hal-01451402v1
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Particle motion and heat transfer in an upward-flowing dense particle suspension: Application in solar receivers

Pablo García-Triñanes , Jonathan Seville , Renaud Ansart , Hadrien Benoit , Thomas Leadbeater et al.

Chemical Engineering Science, 2017, vol. 177, pp. 313-322. ⟨10.1016/j.ces.2017.11.041⟩

Article dans une revue hal-01677355v1
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Effects of reducing the reactor diameter on thedense gas–solid fluidization of very heavyparticles: 3D numerical simulations

Renaud Ansart , Florence Vanni , Brigitte Caussat , Carine Ablitzer , Méryl Brothier

Chemical Engineering Research and Design, 2016, vol. 117, pp. 575-583. ⟨10.1016/j.cherd.2016.11.008⟩

Article dans une revue hal-01413039v1
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Determination of PVC Powder Drying Kinetics at Particle Scale: Experimental Study and Modeling

Antoine Aubin , Renaud Ansart , Mehrdji Hemati , Thierry Lasuye , Marc Branly

Drying Technology, 2016, pp.1-72. ⟨10.1080/07373937.2016.1155596⟩

Article dans une revue hal-03516530v1
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Hydrodynamics and particle motion in upward flowing dense particle suspensions: Application in solar receivers

Pablo García-Triñanes , Jonathan Seville , Benjamin Boissière , Renaud Ansart , Thomas Leadbeater et al.

Chemical Engineering Science, 2016, 146, pp.346-356. ⟨10.1016/j.ces.2016.03.006⟩

Article dans une revue hal-01307042v1
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A new heat transfer fluid for concentrating solar systems: Particle flow in tubes

Gilles Flamant , Daniel Gauthier , Hadrien Benoit , Jean-Louis Sans , Benjamin Boissière et al.

Energy Procedia, 2014, vol. 49, pp. 617-626. ⟨10.1016/j.egypro.2014.03.06⟩

Article dans une revue hal-01015843v1
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Modeling and simulation of drying operations in PVC powder production line: Experimental and theoretical study of drying kinetics on particle scale

Antoine Aubin , Renaud Ansart , Mehrdji Hemati , Thierry Lasuye , Marc Branly

Powder Technology, 2014, vol. 255, pp. 120-133. ⟨10.1016/j.powtec.2013.08.019⟩

Article dans une revue hal-01068120v1
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Experimental Hydrodynamic Study of Gas‐Particle Dense Suspension Upward Flow for Application as New Heat Transfer and Storage Fluid

Benjamin Boissière , Renaud Ansart , Daniel Gauthier , Gilles Flamant , Mehrdji Hemati

Canadian Journal of Chemical Engineering, 2014, pp. 1-14. ⟨10.1002/cjce.22087⟩

Article dans une revue istex hal-01101789v1
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Numerical simulation of dome filling in an experimental rocket engine mockup

Marie-Charlotte Gauffre , Hervé Neau , Olivier Simonin , Renaud Ansart , Nicolas Meyers et al.

Journal of Propulsion and Power, 2014, vol. 30, pp. 617-627. ⟨10.2514/1.B34904⟩

Article dans une revue hal-01015844v1
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Dense suspension of solid particles as a new heat transfer fluid for concentrated solar thermal plants: on-sun proof of concept

Gilles Flamant , Daniel Gauthier , Hadrien Benoit , Jean-Louis Sans , Roger Garcia et al.

Chemical Engineering Science, 2013, vol. 102, pp. 567-576. ⟨10.1016/j.ces.2013.08.051⟩

Article dans une revue hal-00917182v1
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Dust emission by powder handling: Influence of the hopper outlet on the dust plume

Renaud Ansart , Jean‐jacques Letourneau , Alain de Ryck , John A. Dodds

Powder Technology, 2011, vol. 212, pp. 418-424. ⟨10.1016/j.powtec.2011.06.022⟩

Article dans une revue hal-00743633v1
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Dust emission by powder handling: Comparison between numerical analysis and experimental results

Renaud Ansart , Alain de Ryck , John A. Dodds , Matthieu Roudet , David Fabre et al.

Powder Technology, 2009, 190 (1-2), pp.274-281. ⟨10.1016/j.powtec.2008.04.053⟩

Article dans une revue hal-01680757v1
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Dust emission in powder handling: Free falling particle plume characterisation

Renaud Ansart , Alain de Ryck , John A. Dodds

Chemical Engineering Journal, 2009, vol. 152, pp. 415-420. ⟨10.1016/j.cej.2009.04.070⟩

Article dans une revue hal-00744704v1
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Granular flows down inclined channels with a strain-rate dependent friction coefficient. Part I: Non-cohesive materials

Alain de Ryck , Renaud Ansart , John A. Dodds

Granular Matter, 2008, vol. 10, pp. 353-360. ⟨10.1007/s10035-008-0105-3⟩

Article dans une revue hal-00740926v1

Optimizing Key Structural and Operating Parameters of Solar-driven Biomass Gasification

Yang Liu , Ruming Pan , Renaud Ansart , Gerald Debenest

9th International Conference on smart sustainable technologies, Jun 2024, Split, Croatia

Communication dans un congrès hal-04763238v1

Caractérisation hydrodynamique en vue d'une étude cinétique en réacteur jet-loop : application à l’oxydation catalytique de l’hydrogène pour la purification des flux d’électrolyseurs

Ronny Gueguen , Renaud Ansart , Hervé Neau , Anne-Marie Billet , Carine Julcour-Lebigue

19ème Congrès de la SFGP, Oct 2024, Deauville, France

Communication dans un congrès hal-04763744v1

Caractérisation hydrodynamique en vue d’une étude cinétique en réacteur jet-loop : application à l’oxydation catalytique de l’hydrogène pour la purification des flux d’électrolyseurs

Ronny Gueguen , Renaud Ansart , Hervé Neau , Anne-Marie Billet , Carine Julcour

SFGP 2024, Société Française de Génie des Procédés, Oct 2024, Deauville, France

Communication dans un congrès hal-05176419v1
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Bio-energy Carriers as Back-up Fuel in Hybrid Solar Power Plants

Jan Baeyens , Shuo Li , Huili Zhang , Raf Dewil , Gilles Flamant et al.

10th International Conference on Environment Science and Engineering (ICESE 2020), May 2020, Vienne, Austria. pp.012012, ⟨10.1088/1755-1315/544/1/012012⟩

Communication dans un congrès hal-03116724v1
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Numerical and experimental study of electrostatic charge in gas-solid fluidized beds

Youssef Nasro-Allah , Carlos Montilla , Renaud Ansart , Rodney O. Fox , Olivier Simonin

10th International Conference on Multiphase Flow (ICMF 2019), May 2019, Rio de Janeiro, Brazil. pp.0

Communication dans un congrès hal-03624066v1
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Eulerian modeling of mono-disperse gas–particle flow with electrostatic forces

Carlos Montilla , Youssef Nasro-Allah , Renaud Ansart , Rodney O. Fox , Olivier Simonin

10th International Conference on Multiphase Flow (ICMF 2019), May 2019, Rio de Janeiro, Brazil. pp.0

Communication dans un congrès hal-03624046v1

Reconstruction d'images issues de tomographie par Electro-Capacitance à partir d'un réseau de neurones entrainé par simulations numériques 3D

Carlos Montilla , Renaud Ansart , David Simoncini , Stéphane Negny

SFGP Nantes 2019, 2019, Nantes (France), France

Communication dans un congrès hal-04760935v1

The fluidized bed air heat exchanger in a hybrid Brayton-cycle solar power plant

Shuo Li , Weibin Kong , Huili Zhang , Florian Sabatier , Renaud Ansart et al.

SolarPACES 2018, Oct 2018, Casablanca, Morocco. pp.1-8, ⟨10.1063/1.5117650⟩

Communication dans un congrès hal-02295763v1
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3D numerical simulation of upflow bubbling fluidized bed in opaque tube under high flux solar heating

Hadrien Benoit , Renaud Ansart , Pablo García-Triñanes , Daniel Gauthier , Gilles Flamant et al.

9th International Conference on Multiphase Flow (ICMF 2016), May 2016, Firenze, Italy. pp. 1-6

Communication dans un congrès hal-01715386v1
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Unsteady three-dimensional numerical simulations of methane combustion in dense fluidized bed

Ziad Hamidouche , Enrica Masi , Pascal Fede , Olivier Simonin , Renaud Ansart et al.

9th International Conference on Multiphase Flow (ICMF 2016), May 2016, Firenze, Italy. pp. 1-6

Communication dans un congrès hal-01706943v1
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3D Numerical simulation of natural gas combustion in a fluidized bed reactor

Ziad Hamidouche , Enrica Masi , Pascal Fede , Olivier Simonin , Renaud Ansart et al.

22nd FBC (22nd International Conference on Fluidized Bed Conversion), Jun 2015, Turku, Finland. pp. 1-10

Communication dans un congrès hal-01696336v1
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Modelling of the dense fluidized bed of very small particles

Pascal Fede , Renaud Ansart , Olivier Simonin , S. Lagarde , Isabelle Ronga

8th International Conference on Multiphase Flow - ICMF 2013, May 2013, Jeju, South Korea. pp. 1-8

Communication dans un congrès hal-00921305v1
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3D numerical simulation of Circulating Fluidized Bed: comparison between theoretical results and experimental measurements of hydrodynamic

Renaud Ansart , Mehrdji Hemati , Hervé Neau , Olivier Simonin

14th International Conference on Fluidization 2013: From Fundamentals to Products, May 2013, Noordwijkerhout, Netherlands. pp.0

Communication dans un congrès hal-04003349v1
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Hydrodynamics of Dense Fluidized Beds for Application in Concentrated Solar Energy Conversion

Benjamin Boissière , Hadrien Benoit , Renaud Ansart , Hervé Neau , Daniel Gauthier et al.

Fluidization XIV : From Fundamentals to Products, May 2013, Noordwijkerhout, Netherlands. pp.0

Communication dans un congrès hal-03670140v1
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Modeling and simulation of drying operation in PVC powder production line: a pneumatic dryer model

Antoine Aubin , Renaud Ansart , Mehrdji Hemati , Thierry Lasuye , Marc Branly

18th Symposium in the biennial series of International Drying Symposia Series (IDS2012), Nov 2012, Xiamen, China. pp.0

Communication dans un congrès hal-04023549v1
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Numerical simulation of a 3D unsteady two-phase flow in the filling cavity in oxygen of a cryogenic rocket-engine

Marie-Charlotte Gauffre , Hervé Neau , Olivier Simonin , Renaud Ansart , Nicolas Meyers et al.

48th AIAA/ASME/SAE/ASEE Joints Propulsion Conference and Exhibit, AIAA, Jul 2012, Alabama, United States

Communication dans un congrès hal-00915110v1
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Mélange et ségrégation en lit fluidisé dense de particules de media fluidisé (olivine) et de granules de biomasse

Marc Detournay , Renaud Ansart , Harold Maffre , Mehrdji Hemati

6èmes Journées Francophones sur les Réacteurs Gaz-Liquide et Gaz-Liquide-Solide - GLS6, May 2012, Marrakech, Maroc. pp.0

Communication dans un congrès hal-04104482v1
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Simulation 3D instationnaire d’un jet tombant de particules avec un modèle hybride granulaire-cinétique

Zafer Zeren , Renaud Ansart , Hervé Neau , Olivier Simonin , Emmanuel Belut

6emes Journées Francophones sur les Réacteurs Gaz-Liquide et Gaz-Liquide-Solide - GLS6, May 2012, Marrakech, Morocco. pp.0

Communication dans un congrès hal-04104481v1
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Etude hydrodynamique d’un nouveau concept de récepteur solaire à suspension dense de particules

Benjamin Boissière , Renaud Ansart , Daniel Gauthier , Gilles Flamant , Mehrdji Hemati

STP2012 – 7ème colloque Science et Technologie des Poudres, Jul 2012, Toulouse, France. pp.0

Communication dans un congrès hal-04104428v1
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Elutriation from Fluidized BEDS

Renaud Ansart , Hervé Neau , Philippe Accart , Alain de Ryck , Olivier Simonin

CFB 10 - International Conference on Circulating Fluidized Beds and FluidiZed Bed Technology, May 2011, Sunriver, Oregon, United States. pp.0

Communication dans un congrès hal-04087302v1

Modelisation for particles column during free falling process

Renaud Ansart , Matthieu Roudet , David Fabre , François Charru

STP 2007 -Science et technologie des poudres, May 2007, Albi, France. 6 p

Communication dans un congrès hal-01769860v1

Dust emission by powder handling : free falling particle plume-comparison theoretical model and experimental results

Renaud Ansart , Alain de Ryck , John A. Dodds

STP 2007 -Science et technologie des poudres, May 2007, Albi, France. 6 p

Communication dans un congrès hal-01768713v1

Dust emission by falling particle streams

Renaud Ansart , John A. Dodds , Alain de Ryck

Biopowders mini-conference, advances in the powder technology, Sep 2007, Budapest, Hungary. p.67-75

Communication dans un congrès hal-01741039v1

Dust emission in powder handling : free falling particle plume

Renaud Ansart , Alain de Ryck , John A. Dodds

SFGP 2007 - 11ème congrès de la société française de génie des procédés, Oct 2007, Saint Etienne, France. 8 p

Communication dans un congrès hal-01768711v1

Emission de poussières dans l'atmosphère : distribution de vitesses et de granulométrie dans un jet de poudre

Renaud Ansart , Sylvain Devynck , Alain Ryck , John A. Dodds

CFTL 2006 -Congrès Francophone de Techniques Laser, Sep 2006, Toulouse, France. p.443-450

Communication dans un congrès hal-01780080v1
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Émission de poussières lors de la manipulation de poudre

Renaud Ansart

Dynamique des Fluides [physics.flu-dyn]. Institut National Polytechnique (Toulouse), 2007. Français. ⟨NNT : 2007INPT062H⟩

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