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Hydrodynamique Dun Lit Ruisselant De Particules Et Transferts Thermiques Associes
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Book Synopsis Hydrodynamique d'un lit ruisselant de particules et transferts thermiques associés by : Pierre Guigon
Download or read book Hydrodynamique d'un lit ruisselant de particules et transferts thermiques associés written by Pierre Guigon and published by . This book was released on 1987 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'hydrodynamique et les caractéristiques thermiques d'un lit ruisselant de solides sur un faisceau tubulaire en présence éventuellement d'un contre-courant de gaz ont été étudiées. Les informations obtenues permettent une modélisation globale d'un échangeur à pluie de particules. Un exemple de dimensionnement d'une installation de refroidissement de charges solides a été traité. La trajectoire des particules dans l'échangeur peut être calculée dès lors que l'on connaît trois paramètres : le coefficient de frottement solides-solides, le coefficient de frottement paroi-solides et le coefficient de restitution tangentiel du choc des solides sur le tube. Différentes installations pour obtenir ces paramètres ont été utilisées. Le coefficient de transfert entre un lit ruisselant de solides et une paroi a été étudié sur un plan incliné de faible longueur. Il dépend principalement de la fraction volumique occupée par les solides au niveau de la paroi. Cette fraction volumique est une fonction de la vitesse des solides et du débit. Pour le transfert thermique sur un tube, on distingue deux zones d échange : la partie supérieure du tube où les solides transfèrent directement leur chaleur au fluide caloporteur circulant à l'intérieur du tube, et la partie inférieure qui échange de la chaleur par convection du gaz et par rayonnement des solides. Les valeurs des coefficients d'échange pour différents solides et différentes conditions opératoires ont été obtenues. Un certain nombre de critères devant conduire à une configuration optimale de l'échangeur ont été dégagés.
Book Synopsis Fluidization and Fluid Particle Systems by : American Institute of Chemical Engineers. Meeting
Download or read book Fluidization and Fluid Particle Systems written by American Institute of Chemical Engineers. Meeting and published by . This book was released on 1989 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fluidisation des grosses particules à haute température hydrodynamique et transferts thermiques by : Nouria Fatah
Download or read book Fluidisation des grosses particules à haute température hydrodynamique et transferts thermiques written by Nouria Fatah and published by . This book was released on 1991 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: LES TRAVAUX DE RECHERCHES PRESENTES CONCERNENT LA FLUIDISATION DE GROSSES PARTICULES A HAUTE TEMPERATURE, MESURES ET ANALYSES DES PARAMETRES AUX CONDITIONS DU MINIMUM DE FLUIDISATION, BULLAGE, PISTONNAGE ET TRANSITION. DEVELOPPEMENTS ET APPLICATIONS DES CAPTEURS A FIBRE OPTIQUE DANS UN LIT FLUIDISE ET PRESENTATION D'UN MODELE MATHEMATIQUE SUR LE TRANSFERT THERMIQUE (CONVECTIF ET RADIATIF) ENTRE UNE PAROI ET LE LIT FLUIDISE
Book Synopsis Hydrodynamique et transferts thermiques dans les lits fluidisés par les gaz by : Bardi Murachman
Download or read book Hydrodynamique et transferts thermiques dans les lits fluidisés par les gaz written by Bardi Murachman and published by . This book was released on 1990 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA FLUIDISATION DE PARTICULES SOLIDES PAR UN GAZ FAIT L'OBJET DE NOMBREUSES ETUDES DEPUIS UNE QUARANTAINE D'ANNEES. TOUTEFOIS L'INFLUENCE DE LA TEMPERATURE SUR LES PROPRIETES AUSSI SIMPLES QUE LA VITESSE MINIMALE DE FLUIDISATION, LE DEGRE DE VIDE AU MINIMUM DE FLUIDISATION OU LE COEFFICIENT DE TRANSFERT DE CHALEUR AUTOUR DE PARTICULES SOLIDES, N'EST PAS ENCORE BIEN ETABLI. L'OBJECTIF DE CETTE THESE EST D'ANALYSER CETTE INFLUENCE EN S'APPUYANT SUR UNE ETUDE EXPERIMENTALE RELATIVE A DES PARTICULES APPARTENANT A LA CATEGORIE B DE LA CLASSIFICATION DE GELDART. LE TRAVAIL COMPREND DEUX PARTIES. DANS UNE PREMIERE PARTIE AYANT TRAIT AUX ASPECTS HYDRODYNAMIQUES ET APRES UN RAPPEL BIBLIOGRAPHIQUE, ON DONNE LES RESULTATS DE MESURES DE VITESSE ET DE POROSITE REALISEES AU MINIMUM DE FLUIDISATION ENTRE 10 ET 900C, ET ON PROPOSE UNE CORRELATION PERMETTANT DE CALCULER LE NOMBRE DE REYNOLDS EN FONCTION DU NOMBRE D'ARCHIMEDE. CES RESULTATS SONT COMPARES AUX PREDICTIONS DES CORRELATIONS DE LA LITTERATURE. DANS LA DEUXIEME PARTIE CONCERNANT LES ASPECTS THERMIQUES, ON DONNE APRES UNE ANALYSE BIBLIOGRAPHIQUE, LES VALEURS DES COEFFICIENTS D'ECHANGE CONVECTIF MESURES EN REGIME PERMANENT JUSQU'A 300C QUI SONT COMPARES AUX PREDICTIONS DES CORRELATIONS DE LA LITTERATURE. PAR AILLEURS LES RESULTATS DES EXPERIENCES RELATIVES AUX COEFFICIENTS D'ECHANGES GLOBAUX ET REALISEES AVEC DES SONDES SPHERIQUES EN FONCTION DE DIFFERENTS PARAMETRES SONT PRESENTES
Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague
Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Synopsis Faecal Sludge Management by : Linda Strande
Download or read book Faecal Sludge Management written by Linda Strande and published by IWA Publishing. This book was released on 2014-08-15 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Book Synopsis Anais do XI Congresso Brasileiro de Engenharia Mecânica by :
Download or read book Anais do XI Congresso Brasileiro de Engenharia Mecânica written by and published by . This book was released on 1991 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis How to Design Wastewater Systems for Local Conditions in Developing Countries by : David M. Robbins
Download or read book How to Design Wastewater Systems for Local Conditions in Developing Countries written by David M. Robbins and published by IWA Publishing. This book was released on 2014-03-15 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a practical handbook providing a step-by-step approach to the techniques used for characterizing wastewater sources and investigating sites where collection, treatment and reuse/disposal technologies will be installed. It is intended to help enable local implementation of on-site and decentralized wastewater management system (DWMS)for wide scale use in development settings. How to Design Wastewater Systems for Local Conditions in Developing Countries helps local service providers and regulatory officials make informed decisions through the use of tools, checklists and case studies. It includes a link to a web based community of on-site and decentralized wastewater professionals, which contains related tools and case studies. This handbook serves as a reference for training classes, certification programs, and higher education programs in civil and sanitary engineering. There is an increasing interest on the part of local government officials and private sector service providers to implement wastewater treatment systems to solve sanitation problems. The model presented in this handbook promotes activities that first generate data related to source and site conditions that represent critical inputs, and then applies this information to the technology selection process. Matching the most appropriate technologies to the specific needs of the wastewater project is the key that leads to long term sustainability. How to Design Wastewater Systems for Local Conditions in Developing Countries is an invaluable resource for public sector decision makers and private sector service providers in developing countries. It is also a useful text for students at engineering colleges in developing countries interested in taking a class that teaches the methods of decentralized wastewater management system (DWMS) development.
Book Synopsis Compendium of Sanitation Systems and Technologies by : Elizabeth Tilley
Download or read book Compendium of Sanitation Systems and Technologies written by Elizabeth Tilley and published by . This book was released on 2014 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Problems of the Arid Zone by : Unesco
Download or read book The Problems of the Arid Zone written by Unesco and published by paris. This book was released on 1962 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Construction Dictionary by : Nawic Education Foundation
Download or read book Construction Dictionary written by Nawic Education Foundation and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An extensive listing of the terms and phrases used in construction. Included are many that are encountered daily on the jobsite or in the construction office.
