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Experimental modelling and estimation of time varying thermal sources

Abstract : This paper shows an experimental design where two steps are carried out: (i) the identification of a low order state representation through temperature evolutions corresponding to step responses of a system, (ii) the use of this model to solve an inverse heat conduction problem (IHCP) consisting in the estimation of several strength variations generated by heat sources from time-varying temperature evolutions. Experiments are realized on a 3D heat conductive system (a thick stainless steel tube) in which are set four heat sources, a fifth thermal strength consists in an applied flux boundary condition. After the model identification, a sequential method is used for the resolution of the IHCP: from temperature measurements, the evolutions of the five strengths are identified and compared to the electrical measurements
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Submitted on : Thursday, February 15, 2007 - 1:57:17 PM
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Daniel Petit, Etienne Videcoq, André Piteau. Experimental modelling and estimation of time varying thermal sources. International Journal of Thermal Sciences, Elsevier, 2003, 42 (3), pp.255-265. ⟨10.1016/S1290-0729(02)00025-X⟩. ⟨hal-00131176⟩



Les métriques sont temporairement indisponibles