Rayleigh-Bénard convection of Casson fluids
| hal.structure.identifier | Bu-Ali Sina University | |
| dc.contributor.author | AGHIGHI, Mohammad Saied | |
| hal.structure.identifier | Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA] | |
| dc.contributor.author | AMMAR, Amine | |
| hal.structure.identifier | Laboratoire d'Energétique et Mécanique Théorique et Appliquée [LEMTA ] | |
| dc.contributor.author | METIVIER, Christel | |
| hal.structure.identifier | Bu-Ali Sina University | |
| dc.contributor.author | GHARAGOZLU, M. | |
| dc.date.accessioned | 2021-05-14T09:40:59Z | |
| dc.date.available | 2021-05-14T09:40:59Z | |
| dc.date.issued | 2018-05 | |
| dc.identifier.issn | 1290-0729 | |
| dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/76618 | |
| dc.description.abstractEn | This study aims at investigating numerically the Rayleigh-Bénard Convection (RBC) in viscoplastic fluids. A Casson fluid is considered in a bidimensional square cavity heated from below. The effects of the dimensionless yield stress, the Bingham number Bn, on the heat transfer and motion is investigated in the range 5.10^3 < Ra < 10^5 for the Rayleigh number and Pr = 10, 100, 1000 for the Prandtl number. One shows that theyield stress has a stabilizing effect, reducing the convection intensity. Above a certain value of Bnmax , the convection does not occur and the heat transfer is only due to conduction. For moderate Bn values, truly unyielded regions are located in the center of the cavity; their areas grow with increasing Bingham number and invade the whole cavity at the threshold value Bnmax . | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.subject.en | Rayleigh-Bénard | |
| dc.subject.en | Natural convection | |
| dc.subject.en | Finite element | |
| dc.subject.en | Casson model | |
| dc.subject.en | Yield stress | |
| dc.title.en | Rayleigh-Bénard convection of Casson fluids | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.ijthermalsci.2018.01.016 | |
| dc.subject.hal | Sciences de l'ingénieur [physics]/Mécanique [physics.med-ph] | |
| bordeaux.journal | International Journal of Thermal Sciences | |
| bordeaux.page | 79-90 | |
| bordeaux.volume | 127 | |
| bordeaux.hal.laboratories | Institut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295 | * |
| bordeaux.institution | Université de Bordeaux | |
| bordeaux.institution | Bordeaux INP | |
| bordeaux.institution | CNRS | |
| bordeaux.institution | INRAE | |
| bordeaux.institution | Arts et Métiers | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-02285050 | |
| hal.version | 1 | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-02285050v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=International%20Journal%20of%20Thermal%20Sciences&rft.date=2018-05&rft.volume=127&rft.spage=79-90&rft.epage=79-90&rft.eissn=1290-0729&rft.issn=1290-0729&rft.au=AGHIGHI,%20Mohammad%20Saied&AMMAR,%20Amine&METIVIER,%20Christel&GHARAGOZLU,%20M.&rft.genre=article |
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