Overview
ABSTRACT
This article, further to previous ones relative to the inverse problems in thermal conduction, deals with inverse problems in forced convection. The energy equation then contains an advection term. After a brief review of the techniques of inversion of measures, a textbook case, highlighting the influence of this transport term compared with conduction, is first studied. Four concrete examples are then given to illustrate the methodology, from numerical and experimental standpoints.
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Read the articleAUTHORS
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Yvon JARNY : Professor Emeritus, University of Nantes - LTN- UMR CNRS 6607 Nantes
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Denis MAILLET : Professor at the University of Lorraine - LEMTA-UMR CNRS 7563 Nancy
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Daniel PETIT : Professor Emeritus at ENSMA - Institut P' – UPR CNRS 3346 – Poitiers
INTRODUCTION
With the simultaneous development of metrology (sensors, data acquisition) and computing resources (processor speed, storage, software), the engineer carrying out experiments must make judicious use of all this information. Inverse methods are taking off in the wake of these developments: they enable us to trace unknown causes or influencing factors back to the observation of their consequences: measurement. These methods combine metrology on a given system, a model representative of the system's operation and numerical algorithms.
Previous dossiers have already dealt with :
certain technical aspects of inverting measurements and estimating parameters
[AF 4 515] [AF 4 516] solving inverse problems in thermal diffusion
[BE 8 265] [BE 8 266] [BE 8 267]
This dossier covers the treatment of inverse methods in forced thermal convection. This heat transfer method transports heat by means of a fluid set in motion by a field of external forces, such as a pressure difference....
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KEYWORDS
thermal conductivity | temperature | | | |
Inverse method applied to thermal forced convection
Inverse methodology and the specific context of thermal convection
Bibliography
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