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Path: Home » Indice Pubblicazioni » Convegni ATI - Accesso riservato soci CTI » CA - 49 - Perugia 1994 » Thermal behaviour modeling of under g...
Autore: R. Ben Younes, J.Y. Desmons, M.Le Ray, A. Tizaoui
Collana: CA - 49 - Perugia 1994
Note:
The work in this present paper predicts the thermal perfomances of a buried bitubular exchanger used in heat storage. In this respect, a theoretical method combined with cheap and easy experimental technologies, enabling to predict this behaviour for a given type of exchanger, has been performed. We have compared the phase-lag and attenuation experimental for this numerical. The comparison of experimental and numerical values appears to be satisfying. Besides, we predict the attenuation and phase-lag evolution for one month from short data experiment. It also appears that it is possible to improve appreciably the performances of this kind of exchanger by adding transverse obstacles, but also by modifying their arrangement.
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