Výsledky vyhledávání

On-line indirect thermal measurement in a radiant furnace by a reduced modal model

Autor: O. Quéméner, Benjamin Gaume, Y. Rouizi, Frédéric Joly

Publikováno v: International Journal of Heat and Mass Transfer
International Journal of Heat and Mass Transfer, Elsevier, 2021, 179, pp.121678. ⟨10.1016/j.ijheatmasstransfer.2021.121678⟩
International Journal of Heat and Mass Transfer, 2021, 179, pp.121678. ⟨10.1016/j.ijheatmasstransfer.2021.121678⟩

International audience; We propose an original method to recover the whole thermal field of a heated object on a furnace from a few measurement points. The radiant thermal source is first identified via a low order reduced model based on AROMM (Amalg

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc91dd6b2dcb263474f9194246a088d9
https://doi.org/10.1016/j.ijheatmasstransfer.2021.121678

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Spatio-temporal identification of heat flux density using reduced models. Application to a brake pad

Autor: O. Quéméner, Y. Rouizi, S. Carmona

Publikováno v: International Journal of Heat and Mass Transfer
International Journal of Heat and Mass Transfer, 2019, 128, pp.1048-1063. ⟨10.1016/j.ijheatmasstransfer.2018.09.043⟩
International Journal of Heat and Mass Transfer, Elsevier, 2019, 128, pp.1048-1063. ⟨10.1016/j.ijheatmasstransfer.2018.09.043⟩

International audience; The identification of the spatio-temporal variations of a heat flux density field is addressed in this paper. The developed technique combines the use of reduced models (BERM method) with an iterative method of conjugate gradi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bb037c0e9290a3b560873cae616ed22
https://hal.science/hal-02169666

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Identification of insulating materials thermal properties by inverse method using reduced order model

Autor: O. Quéméner, Patrick Glouannec, Benjamin Gaume, A.G. Chavez Castillo, Y. Rouizi

Publikováno v: International Journal of Heat and Mass Transfer
International Journal of Heat and Mass Transfer, Elsevier, 2021, 166, pp.120683. ⟨10.1016/j.ijheatmasstransfer.2020.120683⟩
International Journal of Heat and Mass Transfer, 2021, 166, pp.120683. ⟨10.1016/j.ijheatmasstransfer.2020.120683⟩

International audience; The analytical models used by hot-wire type probes are no longer suitable for the characterization of insulating materials. This paper proposes a solution, which is based on a numerical reduced order technique named AROMM (Ama

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e1e282b892df96fa51e486b0609d5c4
https://doi.org/10.1016/j.ijheatmasstransfer.2020.120683

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Estimation of heat flux by using reduced model and the adjoint method. Application to a brake disc rotating

Autor: Frédéric Joly, Olivier Quemener, S. Carmona, Alain Neveu, Y. Rouizi

Publikováno v: International Journal of Thermal Sciences
International Journal of Thermal Sciences, Elsevier, 2018, 131, pp.94--104. 〈10.1016/j.ijthermalsci.2018.04.036〉
International Journal of Thermal Sciences, 2018, 131, pp.94--104. ⟨10.1016/j.ijthermalsci.2018.04.036⟩
International Journal of Thermal Sciences, Elsevier, 2018, 131, pp.94--104. ⟨10.1016/j.ijthermalsci.2018.04.036⟩

International audience; In this study, an approach for inverse problem is proposed to estimate a time dependent heat flux on a braking system. This approach combines modal reduction and conjugate gradient method with adjoint method. A brake disc with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c8c10e2f02296327e0dee292ac2ca08
https://hal.archives-ouvertes.fr/hal-01809580

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Thermal Characterization of In-Situ Materials Using Modal Reduced Models

Autor: Y. Rouizi, Olivier Quemener, Yann Billaud, Ana Gabriela Chavez Castillo, Laurent Marmoret

Publikováno v: The 4th World Congress on Mechanical, Chemical, and Material Engineering
The 4th World Congress on Mechanical, Chemical, and Material Engineering, Aug 2018, Madrid, Spain. ⟨10.11159/htff18.172⟩

International audience; The analytical models used by commercial probes are no longer suitable for insulating materials. Indeed, these analytical laws do not allow the taking into account of the inertia of the probe and thermal flows that exist along

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::899572d59b74a362ec4ede4148b8327c
https://hal.archives-ouvertes.fr/hal-02324416

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Experimental assessment of the fluid bulk temperature profile in a mini channel through inversion of external surface temperature measurements

Autor: W. Al Hadad, Yves Jannot, Y. Rouizi, Denis Maillet

Publikováno v: International Journal of Heat and Mass Transfer
International Journal of Heat and Mass Transfer, Elsevier, 2015, 83, pp.522--535. ⟨10.1016/j.ijheatmasstransfer.2014.12.031⟩
International Journal of Heat and Mass Transfer, 2015, 83, pp.522--535. ⟨10.1016/j.ijheatmasstransfer.2014.12.031⟩

International audience; In previous works, a semi-analytical model allowing the simulation of heat transfer in a mini-channel has been presented. This model does not rely on the local internal heat transfer coefficient distribution. The focus of this

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ee7951cc8abc1c0338ea40b3a934c02
https://doi.org/10.1016/j.ijheatmasstransfer.2014.12.031

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Model reduction by the Modal Identification Method in forced convection: Application to a heated flow over a backward-facing step

Autor: Daniel Petit, Yann Favennec, Y. Rouizi, M. Girault

Publikováno v: International Journal of Thermal Sciences
International Journal of Thermal Sciences, Elsevier, 2010, 49 (8), pp.1354-1368. ⟨10.1016/j.ijthermalsci.2010.02.011⟩

This numerical study focuses on the use of the Modal Identification Method to build reduced models for problems of heat convection and diffusion. The principle is to minimize a cost function based on the difference between the outputs (velocity and/o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::987b15162dc1ca51150ab780cd54c426
https://doi.org/10.1016/j.ijthermalsci.2010.02.011

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Model reduction through identification - Application to some diffusion-convection problems in heat transfer, with an extension towards control strategies

Autor: Yvon Jarny, Y. Rouizi, Yann Favennec, Daniel Petit

Publikováno v: Comptes Rendus Mécanique
Comptes Rendus Mécanique, Elsevier, 2013, 341 (11-12), pp.776--792. ⟨10.1016/j.crme.2013.09.005⟩
Comptes Rendus Mécanique, 2013, 341 (11-12), pp.776--792. ⟨10.1016/j.crme.2013.09.005⟩

International audience; The simulation of heat convection problems usually leads to very large matrix systems because both Navier-Stokes equations and the energy equations are to be taken into account and discretized. Of course, such large matrix sys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3dc747cdab3998af3509e368088b067
https://hal.archives-ouvertes.fr/hal-01176787

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Fluid temperature distribution inside a flat mini-channel: Semi-analytical wall transfer functions and estimation from temperatures of external faces

Autor: Y. Rouizi, Yves Jannot, Denis Maillet

Publikováno v: International Journal of Heat and Mass Transfer
International Journal of Heat and Mass Transfer, Elsevier, 2013, 64, pp.331-342. ⟨10.1016/j.ijheatmasstransfer.2013.04.040⟩

International audience; Modelling fluid flow and heat transfer inside a mini- or micro-channel constitutes a challenge because it requires taking into account many effects that do not occur in traditional macrostructured systems. A semi-analytical he

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::826df2e008726540a96286aafeb749c9
https://hal.univ-lorraine.fr/hal-01427465

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Numerical model reduction of 2D steady incompressible laminar flows: application on the flow over a backward-facing step

Autor: D. Petit, Y. Rouizi, Yann Favennec, J. Ventura

Publikováno v: Journal of Computational Physics
Journal of Computational Physics, Elsevier, 2009, 228 (6), pp.2239-2255. ⟨10.1016/j.jcp.2008.12.001⟩

The numerical solution of most fluid mechanics problems usually needs such a fine mesh that the associated computational times become non-negligible parts in any design process. In order to couple numerical modelling schemes with inversion or control

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34133cf6b9ce1d54de865846d30cc7a6
https://hal.archives-ouvertes.fr/hal-00423071

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