Titolo: Analyse exp�rimentale et computationnelle du transfert de chaleur d'un dissipateur thermique (French Edition)
Editore: Editions Notre Savoir
Data di pubblicazione: 2024
Lingua: Francese
ISBN 10: 6207629981
ISBN 13: 9786207629985
Rilegatura: Brossura
Condizione: New

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Riassunto

La dissipation correcte de l'�nergie thermique d'un syst�me est toujours une exigence pour de nombreux �quipements et industries. Tout appareil fonctionnant � l'aide d'une source d'�nergie externe g�n�re toujours de la chaleur. La chaleur g�n�r�e dans ces syst�mes doit �tre �vacu�e dans l'environnement. La maximisation de la surface des appareils am�liore g�n�ralement le taux de refroidissement. Cependant, cela rend le syst�me encombrant. Par cons�quent, une bonne utilisation de la surface du syst�me est un param�tre important pour disposer d'un syst�me de dissipation thermique efficace. Il a toujours �t� souhaitable d'avoir un dissipateur de chaleur dans tous les dispositifs qui occupent un minimum d'espace avec un maximum d'efficacit�. Le pr�sent travail analyse la physique du transfert de chaleur conjugu� dans un syst�me tridimensionnel d'ailettes en aluminium, avec de l'air comme fluide de travail. Un solveur de volumes finis, ANSYS Fluent, a �t� utilis� pour simuler un arrangement d'ailettes en quinconce plac� sur une plaque de base. Le solveur est valid� � l'aide des donn�es exp�rimentales. L'analyse thermique a �t� r�alis�e sur des ailettes de diff�rentes sections. Les sections transversales des ailettes sont circulaires, hexagonales, pentagonales, triangulaires et en forme de goutte d'eau, avec diff�rentes vitesses d'entr�e.

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