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Analisi delle prestazioni degli scambiatori di calore aria-suolo

Analisi delle prestazioni degli scambiatori di calore aria-suolo

Michel Rodrigues; Elizaldo Dos Santos; Liércio Isoldi

Edizioni Sapienza
2023
pokkari
L'obiettivo generale di questa ricerca presentare un approccio numerico completo per lo studio del TCSA. A tal fine, sono stati definiti tre obiettivi specifici: i) miglioramento del modello computazionale, sviluppando il Modello Computazionale Compatto (CCM); ii) definizione dell'Indicatore di Prestazione Energetica (EPI) dedicato all'analisi dei TCSA; e iii) applicazione del metodo della Progettazione Costruttiva, associato al CCM e all'EPI, in un caso di studio di TCSA a forma di "Y". I risultati hanno dimostrato che stato possibile i) validare e verificare il MCC, che presenta, tra gli altri miglioramenti, il trattamento disaccoppiato tra i problemi termici e fluidodinamici, la riduzione dei tempi di elaborazione e la possibilit di simulare numericamente il TCSA in qualsiasi regione del pianeta; ii) dimostrare l'efficacia dei DPI, che consentono di valutare con un unico indicatore le prestazioni del TCSA, considerando i parametri termici e fluidodinamici; e iii) definire la configurazione ottimale del TCSA in "Y", generando un'economia mensile di energia elettrica fino a 117,72 kWh (riscaldamento), nei periodi freddi, e di 74,13 kWh (raffreddamento), nei periodi caldi.
Analyse des performances des échangeurs de chaleur sol-air

Analyse des performances des échangeurs de chaleur sol-air

Michel Rodrigues; Elizaldo Dos Santos; Liércio Isoldi

Editions Notre Savoir
2023
pokkari
L'objectif g n ral de cette recherche est de pr senter une approche num rique compl te pour l' tude des TCSA. Pour ce faire, trois objectifs sp cifiques ont t d finis: i) l'am lioration du mod le de calcul, en d veloppant le mod le de calcul compact (CCM); ii) la d finition de l'indicateur de performance nerg tique (EPI) d di l'analyse des TCSA; et iii) l'application de la m thode de conception constructive, associ e au CCM et l'EPI, dans une tude de cas de TCSA en forme de "Y". Les r sultats ont montr qu'il tait possible de i) valider et v rifier le CCM, qui pr sente, entre autres am liorations, le traitement d coupl entre les probl mes thermiques et fluido-dynamiques, la r duction du temps de traitement et la possibilit de simuler num riquement le TCSA dans n'importe quelle r gion de la plan te; ii) prouver l'efficacit de l'EPI, qui permet d' valuer les performances du TCSA l'aide d'un seul indicateur, en tenant compte des param tres thermiques et fluidodynamiques; et iii) d finir la configuration optimale du TCSA en "Y", g n rant une conomie mensuelle d' nergie lectrique de 117,72 kWh (chauffage), en p riode froide, et de 74,13 kWh (refroidissement), en p riode chaude.
Olinde Rodrigues À M. Michel Chevalier, Rédacteur Du Globe. Religion Saint-Simonienne
WORK IS IN FRENCHThis book is a reproduction of a work published before 1920 and is part of a collection of books reprinted and edited by Hachette Livre, in the framework of a partnership with the National Library of France, providing the opportunity to access old and often rare books from the BnF's heritage funds. The works in this collection have been digitized by the BnF and are presented on Gallica, its digital library.By reviving these works through a collection of books reprinted on demand, we give everyone the opportunity to participate in the transmission of knowledge which is sometimes difficult to access.We have tried to reconcile the faithful reproduction of an old book from its digitalized version with the concern of an optimal reading comfort. We hope the works of this new collection will bring you complete satisfaction.French National Library Editions are authorized editions through Hachette France for works in the French National Library Catalog. For more information, visit www.hachettebnf.fr
Synchronous Ethernet and IEEE 1588 in Telecoms

Synchronous Ethernet and IEEE 1588 in Telecoms

Jean-Loup Ferrant; Mike Gilson; Sébastien Jobert; Michael Mayer; Laurent Montini; Michel Ouellette; Silvana Rodrigues; Stefano Ruffini

ISTE Ltd and John Wiley Sons Inc
2013
sidottu
This book addresses the multiple technical aspects of the distribution of synchronization in new generation telecommunication networks, focusing in particular on synchronous Ethernet and IEEE1588 technologies. Many packet network engineers struggle with understanding the challenges that precise synchronization distribution can impose on networks. The usual “why”, “when” and particularly “how” can cause problems for many engineers. In parallel to this, some other markets have identical synchronization requirements, but with their own design requirements, generating further questions. This book attempts to respond to the different questions by providing background technical information. Invaluable information on state of-the-art packet network synchronization and timing architectures is provided, as well as an unbiased view on the synchronization technologies that have been internationally standardized over recent years, with the aim of providing the average reader (who is not skilled in the art) with a better understanding of this topic. The book focuses specifically on synchronous Ethernet and IEEE 1588 PTP-based technologies, both key developments in the world of synchronization over the last 10 years. The authors address the needs of engineers and technical managers who are struggling with the subject of synchronization and provide an engineering reference for those that need to consider synchronization in NGN. The market applications that are driving the development of packet network synchronization and timing architectures are also discussed. This book provides a wide audience with everything they need to know when researching, implementing, buying and deploying packet synchronization architectures in telecommunication networks.
Michele Barbi's Life of Dante

Michele Barbi's Life of Dante

University of California Press
2022
pokkari
This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1954.
Michele Barbi's Life of Dante

Michele Barbi's Life of Dante

University of California Press
2022
sidottu
This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1954.