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Measurement of the thermal diffusivity of a silica fiber bundle using a laser and an IR camera
hal.structure.identifier | Laboratoire des Composites Thermostructuraux [LCTS] | |
dc.contributor.author | VIGNOLES, Gérard | |
hal.structure.identifier | Laboratoire des Composites Thermostructuraux [LCTS] | |
dc.contributor.author | BRESSON, Grégory | |
hal.structure.identifier | Service des Recherches Métallurgiques Appliquées [SRMA] | |
hal.structure.identifier | Laboratoire des Composites Thermostructuraux [LCTS] | |
dc.contributor.author | LORRETTE, Christophe | |
dc.contributor.author | AHMADI-SENICHAULT, Azita | |
dc.date.accessioned | 2021-05-14T09:55:43Z | |
dc.date.available | 2021-05-14T09:55:43Z | |
dc.date.issued | 2012-09-04 | |
dc.date.conference | 2012-09-04 | |
dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/77723 | |
dc.description.abstractEn | We propose a lightweight method for the determination of heat diffusivity of silica fiber bundles based on the use of a laser and an IR camera. The fiber bundle is maintained in traction in a holder; exposition is made as a step function, followed by a laser shutdown. The movie obtained by the IR camera is then processed : frame averaging, backgraound computation and substraction, image smoothing, extraction of the IR signal along the fiber bundle. A 1D model has been developed. This problem admits an analytic solution that we have obtained through the use of Laplace transforms. Several identification methods are proposed and tested, and have been compared favorably with an existing method based on periodic heating. Results are in agreement with literature values. | |
dc.language.iso | en | |
dc.subject.en | Silica | |
dc.subject.en | Fiber bundle | |
dc.subject.en | Thermal diffusivity | |
dc.subject.en | IR camera | |
dc.subject.en | Laser | |
dc.title.en | Measurement of the thermal diffusivity of a silica fiber bundle using a laser and an IR camera | |
dc.type | Communication dans un congrès avec actes | |
dc.identifier.doi | 10.1088/1742-6596/395/1/012079 | |
dc.subject.hal | Sciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Thermique [physics.class-ph] | |
bordeaux.page | 012079 | |
bordeaux.volume | 395 | |
bordeaux.hal.laboratories | Institut de Mécanique et d’Ingénierie de Bordeaux (I2M) - UMR 5295 | * |
bordeaux.issue | 1 | |
bordeaux.institution | Université de Bordeaux | |
bordeaux.institution | Bordeaux INP | |
bordeaux.institution | CNRS | |
bordeaux.institution | INRAE | |
bordeaux.institution | Arts et Métiers | |
bordeaux.country | FR | |
bordeaux.title.proceeding | 6th European Thermal Sciences Conference Eurotherm 2012 | |
bordeaux.conference.city | Poitiers | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-01202129 | |
hal.version | 1 | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-01202129v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2012-09-04&rft.volume=395&rft.issue=1&rft.spage=012079&rft.epage=012079&rft.au=VIGNOLES,%20G%C3%A9rard&BRESSON,%20Gr%C3%A9gory&LORRETTE,%20Christophe&AHMADI-SENICHAULT,%20Azita&rft.genre=proceeding |
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