Zobrazeno 1 - 10 of 51 pro vyhledávání: '"Frederic Augier"'
1
Effect of Rheology on Mass Transfer and Bubble Sizes in a Bubble Column Operated in the Heterogeneous Regime
Autor: Pedro Maximiano Raimundo, Frederic Augier
Publikováno v: Canadian Journal of Chemical Engineering
Canadian Journal of Chemical Engineering, Wiley, 2021, 99 (5), pp.1177-1185. ⟨10.1002/cjce.23903⟩
International audience; A recently developed measurement method has been applied for the first time to the characterization of a bubble column operated in the heterogeneous regime and in presence of non-Newtonian fluids. The resulting measurements of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7e7e683aabd47e9ce569e1e94a67298
https://hal-ifp.archives-ouvertes.fr/hal-03288131
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2
The impact of fluid-dynamic stress in stirred tank bioreactors on the synthesis of cellulases by Trichoderma reesei at the intracellular and extracellular levels
Autor: Tamiris Roque, Nicolas Hardy, Alvin W. Nienow, Frederic Augier, Fadhel Ben Chaabane, Jérôme Delettre, Catherine Béal
Publikováno v: Chemical Engineering Science
Chemical Engineering Science, Elsevier, 2021, 232, pp.116353. ⟨10.1016/j.ces.2020.116353⟩
International audience; Cellulases for bioethanol production are mainly made by fed-batch fermentation using a filamentous fungus, Trichoderma reesei. Agitation at different scales impacts on morphology, rheology and growth rate and can be correlated
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57f6eaab2183268ea65ecd08c400c4f6
https://hal-ifp.archives-ouvertes.fr/hal-03137304
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3
Scale-up of aerated bioreactors: CFD validation and application to the enzyme production by Trichoderma reesei
Autor: Frederic Augier, Christophe Vial, Vincenzo Cappello, Cecile Plais
Publikováno v: Chemical Engineering Science
Chemical Engineering Science, Elsevier, 2021, 229, pp.116033. ⟨10.1016/j.ces.2020.116033⟩
Chemical Engineering Science, 2021, 229, pp.116033. ⟨10.1016/j.ces.2020.116033⟩
International audience; The application of computational fluid dynamics to aerobic fermentations faces several issues, such as validation of multiphase models at high gas holdup and with complex liquids under turbulent condition. in this work, the eu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97a33145fd250eed58f7162843772b86
https://hal.uca.fr/hal-03086105/document
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4
One-equation model to assess population balance kernels in turbulent bubbly flows
Autor: Frederic Augier, Eleonora Gilli, Pedro Maximiano Raimundo
Publikováno v: Chemical Engineering Science
Chemical Engineering Science, Elsevier, 2021, 229, pp.116096. ⟨10.1016/j.ces.2020.116096⟩
International audience; A simplified population balance model has been developed to predict the Sauter mean diameter, and to optimize any breakage and coalescence kernel. Firstly, the shortcut model is detailed, and the simplifying assumptions are ar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a39f169cb102a2305aa6164c468037d2
https://hal-ifp.archives-ouvertes.fr/hal-03105413/document
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6
Bubble size and liquid-side mass transfer coefficient measurements in aerated stirred tank reactors with non-Newtonian liquids
Autor: Cecile Plais, Frederic Augier, Vincenzo Cappello, Christophe Vial
Publikováno v: Chemical Engineering Science
Chemical Engineering Science, Elsevier, 2020, 211, pp.115280. ⟨10.1016/j.ces.2019.115280⟩
Chemical Engineering Science, 2020, 211, pp.115280. ⟨10.1016/j.ces.2019.115280⟩
International audience; Oxygen transfer is a key element in aerobic fermentations, especially if the culture broth's rheology is non-Newtonian, as in the case of cultures of fil-amentous fungi. It is well known that viscosity negatively affects the v
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3aa8d29f30221b848a49ae1d2b2f172
https://hal-ifp.archives-ouvertes.fr/hal-02447708
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7
Use of CFD for pressure drop, liquid saturation and wetting predictions in trickle bed reactors for different catalyst particle shapes
Autor: Pascal Fongarland, Régis Philippe, Hanane Bouras, Yacine Haroun, Frederic Augier, Francisco Fortunato Bodziony
Publikováno v: Chemical Engineering Science. 249:117315
The characterization of hydrodynamics in Trickle-Bed-Reactors is a complex task due to the opacity of the medium. In particular, the determination of pressure drop, liquid hold-up, wetting of the catalyst surface and catalyst shape effect on these pa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75f43c13966425b355bf7c94f39ed4a5
https://doi.org/10.1016/j.ces.2021.117315
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8
Hydrodynamics and bubble size in bubble columns: Effects of contaminants and spargers
Autor: Cecile Plais, Daniele Marchisio, A. Cloupet, Luca Gemello, Frederic Augier
Publikováno v: Chemical Engineering Science
Chemical Engineering Science, Elsevier, 2018, 184, pp.93-102. ⟨10.1016/j.ces.2018.03.043⟩
International audience; The simulation of bubble columns operating under the heterogeneous regime is an ambitious challenge, due to the difficulty of predicting accurately hy-drodynamics and bubble size distributions, that requires experimental data
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bc607a12686f1942c45d010749b367b
https://doi.org/10.1016/j.ces.2018.03.043
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9
Advanced digital image analysis method dedicated to the characterization of the morphology of filamentous fungus
Autor: Nicolas Hardy, Alvin W. Nienow, Frederic Augier, D. Guillaume, F. Ben Chaabane, Maxime Moreaud, Catherine Béal
Publikováno v: Journal of Microscopy. 266:126-140
Filamentous fungi have a complex morphology that induces fermentation process development issues, as a consequence of viscosity increase and diffusion limitations. In order to better understand the relationship between viscosity changes and fungus mo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2dbb1a983d728f42cadf02e704f8ca1d
https://doi.org/10.1111/jmi.12523
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10
Hydrodynamics and scale-up of bubble columns in the heterogeneous regime: Comparison of bubble size, gas holdup and liquid velocity measured in 4 bubble columns from 0.15 m to 3 m in diameter
Autor: Frederic Augier, Alain H. Cartellier, A. Cloupet, D. Beneventi, P. Maximiano Raimundo
Publikováno v: Chemical Engineering Science
Chemical Engineering Science, Elsevier, 2019, 198, pp.52-61. ⟨10.1016/j.ces.2018.12.043⟩
International audience; The development of CFD models coupled with Population Balance is a very promising topic concerning multiphase reactors. In the case of bubbly flows and bubble columns, a serious lack of local hydrodynamic characterizations sti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7429c75c270404b2ed22b6a0a91bffb
https://hal.archives-ouvertes.fr/hal-01999459/document
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