'Renaud 'Ansart

Publications

Article dans une revue (35)

Numerical hydrodynamic characterization for the design of a lab-scale jet-loop reactor Ronny Gueguen,Hervé Neau,William Benguigui,Anne-Marie Billet,Carine Julcour-Lebigueet al. Chemical Engineering Research and Design, 2025, 217, pp.399-415. ⟨10.1016/j.cherd.2025.04.019⟩ Article dans une revue hal-05036209v1
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 Ansartet al. Powder Technology, 2025, 455, ⟨10.1016/j.powtec.2025.120763⟩ Article dans une revue hal-05337642v1
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
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
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
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 Cidet 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 Mérigouxet al. Powder Technology, 2024, 444, pp.120018. ⟨10.1016/j.powtec.2024.120018⟩ Article dans une revue hal-04655454v1
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
Reviewing the thermo-chemical recycling of waste polyurethane foam Yimin Deng,Raf Dewil,Lise Appels,Renaud Ansart,Jan Baeyenset al. Journal of Environmental Management, 2021, 278, Part 1 (111527), pp.0. ⟨10.1016/j.jenvman.2020.111527⟩ Article dans une revue hal-03030784v1
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 Galet al. Chemical Engineering Journal, 2021, 418, pp.129376. ⟨10.1016/j.cej.2021.129376⟩ Article dans une revue hal-03187264v1
Reviewing the potential of bio-hydrogen production by fermentation Jan Baeyens,Huili Zhang,Jiapei Nie,Lise Appels,Raf Dewilet al. Renewable and Sustainable Energy Reviews, 2020, 131, pp.0. ⟨10.1016/j.rser.2020.110023⟩ Article dans une revue hal-02944546v1
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
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 Appelset al. Chemical Engineering Journal, 2020, 404, pp.0. ⟨10.1016/j.cej.2020.126507⟩ Article dans une revue hal-02944486v1
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
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
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 Baudryet al. Powder Technology, 2020, 366, pp.906-924. ⟨10.1016/j.powtec.2020.03.010⟩ Article dans une revue hal-02735376v1
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
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
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 Flamantet al. AIChE Journal, 2018, 64 (11), pp.3857-3867. ⟨10.1002/aic.16218⟩ Article dans une revue hal-01885182v1
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 Sevilleet al. Powder Technology, 2017, 307, pp.25-36. ⟨10.1016/j.powtec.2016.11.006⟩ Article dans une revue hal-01451402v1
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 Leadbeateret al. Chemical Engineering Science, 2017, vol. 177, pp. 313-322. ⟨10.1016/j.ces.2017.11.041⟩ Article dans une revue hal-01677355v1
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
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
Hydrodynamics and particle motion in upward flowing dense particle suspensions: Application in solar receivers Pablo García-Triñanes,Jonathan Seville,Benjamin Boissière,Renaud Ansart,Thomas Leadbeateret al. Chemical Engineering Science, 2016, 146, pp.346-356. ⟨10.1016/j.ces.2016.03.006⟩ Article dans une revue hal-01307042v1
Numerical simulation of dome filling in an experimental rocket engine mockup Marie-Charlotte Gauffre,Hervé Neau,Olivier Simonin,Renaud Ansart,Nicolas Meyerset al. Journal of Propulsion and Power, 2014, vol. 30, pp. 617-627. ⟨10.2514/1.B34904⟩ Article dans une revue hal-01015844v1
A new heat transfer fluid for concentrating solar systems: Particle flow in tubes Gilles Flamant,Daniel Gauthier,Hadrien Benoit,Jean-Louis Sans,Benjamin Boissièreet al. Energy Procedia, 2014, vol. 49, pp. 617-626. ⟨10.1016/j.egypro.2014.03.06⟩ Article dans une revue hal-01015843v1
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
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
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 Garciaet al. Chemical Engineering Science, 2013, vol. 102, pp. 567-576. ⟨10.1016/j.ces.2013.08.051⟩ Article dans une revue hal-00917182v1
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
Dust emission by powder handling: Comparison between numerical analysis and experimental results Renaud Ansart,Alain de Ryck,John A. Dodds,Matthieu Roudet,David Fabreet al. Powder Technology, 2009, 190 (1-2), pp.274-281. ⟨10.1016/j.powtec.2008.04.053⟩ Article dans une revue hal-01680757v1
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
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

Communication dans un congrès (25)

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
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 SFGP 2024, Société Française de Génie des Procédés, Oct 2024, Deauville, France Communication dans un congrès hal-05176419v1
Bio-energy Carriers as Back-up Fuel in Hybrid Solar Power Plants Jan Baeyens,Shuo Li,Huili Zhang,Raf Dewil,Gilles Flamantet 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
The fluidized bed air heat exchanger in a hybrid Brayton-cycle solar power plant Shuo Li,Weibin Kong,Huili Zhang,Florian Sabatier,Renaud Ansartet al. SolarPACES 2018, Oct 2018, Casablanca, Morocco. pp.1-8, ⟨10.1063/1.5117650⟩ Communication dans un congrès hal-02295763v1
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
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
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 Flamantet al. 9th International Conference on Multiphase Flow (ICMF 2016), May 2016, Firenze, Italy. pp. 1-6 Communication dans un congrès hal-01715386v1
Unsteady three-dimensional numerical simulations of methane combustion in dense fluidized bed Ziad Hamidouche,Enrica Masi,Pascal Fede,Olivier Simonin,Renaud Ansartet al. 9th International Conference on Multiphase Flow (ICMF 2016), May 2016, Firenze, Italy. pp. 1-6 Communication dans un congrès hal-01706943v1
3D Numerical simulation of natural gas combustion in a fluidized bed reactor Ziad Hamidouche,Enrica Masi,Pascal Fede,Olivier Simonin,Renaud Ansartet al. 22nd FBC (22nd International Conference on Fluidized Bed Conversion), Jun 2015, Turku, Finland. pp. 1-10 Communication dans un congrès hal-01696336v1
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
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
Hydrodynamics of Dense Fluidized Beds for Application in Concentrated Solar Energy Conversion Benjamin Boissière,Hadrien Benoit,Renaud Ansart,Hervé Neau,Daniel Gauthieret al. Fluidization XIV : From Fundamentals to Products, May 2013, Noordwijkerhout, Netherlands. pp.0 Communication dans un congrès hal-03670140v1
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
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
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 Meyerset al. 48th AIAA/ASME/SAE/ASEE Joints Propulsion Conference and Exhibit, AIAA, Jul 2012, Alabama, United States Communication dans un congrès hal-00915110v1
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
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
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
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
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 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

Pré-publication, Document de travail (1)

Sand-assisted fluidization of large cylindrical and spherical biomass particles: Experiments and simulation Farzam Fotovat,Renaud Ansart,Mehrdji Hemati,Olivier Simonin,Jamal Chaouki 2015 Pré-publication, Document de travail hal-01113107v1

Thèse (1)

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⟩ Thèse tel-04601802v1