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Author : H.. Mainardi
Publisher :
ISBN 13 : 9782717005103
Total Pages : 48 pages
Book Rating : 4.0/5 (51 download)
Download or read book Ecoulement turbulent pulsé en canalisation written by H.. Mainardi and published by . This book was released on 1978 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jean Batina
Publisher :
ISBN 13 :
Total Pages : 221 pages
Book Rating : 4.:/5 (489 download)
Download or read book Etude numérique des écoulements instationnaires pulsés en canalisation cylindrique written by Jean Batina and published by . This book was released on 1995 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: Le but de ce travail est de caractériser l'influence d'une instationnarité périodique sur le transfert thermique convectif dans un écoulement pulsé, incompressible ou compressible, laminaire ou turbulent. Le fluide est visqueux et isotrope, et l'écoulement se développe à la fois dynamiquement et thermiquement le long d'une canalisation cylindrique. Les équations sont celles de Navier Stokes et de l'énergie pour un écoulement axisymétrique. On suppose une modulation périodique du débit. L'écoulement global est alors la superposition d'un écoulement stationnaire et d'une faible perturbation périodique, ce qui permet d'utiliser la méthode des développements asymptotiques de fonctions sinusoïdales dans le temps. La résolution numérique est faite à l'aide des différences finies. Le modèle de turbulence utilisé est de type longueur de mélange avec une correction de Van Driest, développé en canalisation cylindrique par Cebecci, Habib et Na. Les écoulements se font à faible nombre de Mach. Les conclusions intéressantes sont mises en relief par les résultats numériques, par exemple : les fluctuations d'amplitudes de vitesse et de température dans les tous premiers diamètres de l'écoulement ; l'influence non négligeable des interactions des termes de couplage vitesse/température sur le transfert thermique local moyen. Les amplitudes de ces termes au cours de la résonance acoustique et spécialement à l'entrée de la canalisation peuvent avoir une contribution non négligeable sur les échanges thermiques entre le fluide et la paroi. Cependant, tant que le taux de modulation reste inférieur à l'unité, et donc en l'absence de tout courant de retour, l'apport de la pulsation sur le transfert thermique en valeurs moyennées reste faible, sauf au cours de la résonance et au voisinage immédiat de l'entrée.
Author :
Publisher :
ISBN 13 :
Total Pages : 842 pages
Book Rating : 4.0/5 ( download)
Download or read book Numerical Methods in Thermal Problems written by and published by . This book was released on 1985 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roland Wynne Lewis
Publisher :
ISBN 13 :
Total Pages : 962 pages
Book Rating : 4.:/5 (42 download)
Download or read book Numerical Methods in Thermal Problems written by Roland Wynne Lewis and published by . This book was released on 1985 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 738 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1979 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author :
Publisher :
ISBN 13 :
Total Pages : 492 pages
Book Rating : 4.F/5 ( download)
Download or read book CANCAM Proceedings written by and published by . This book was released on 1981 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zoran Zarić
Publisher :
ISBN 13 :
Total Pages : 610 pages
Book Rating : 4.:/5 (318 download)
Download or read book Structure of Turbulence in Heat and Mass Transfer written by Zoran Zarić and published by . This book was released on 1982 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Good,No Highlights,No Markup,all pages are intact, Slight Shelfwear,may have the corners slightly dented, may have slight color changes/slightly damaged spine.
Author :
Publisher :
ISBN 13 :
Total Pages : 1024 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1979 with total page 1024 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1979 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1442 pages
Book Rating : 4.:/5 (319 download)
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1979 with total page 1442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Annie Cassista
Publisher :
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (173 download)
Download or read book L'utilisation du PC-ADP (Pulse-Coherent Acoustic Doppler Profiler) dans un écoulement turbulent en rivière peu profonde written by Annie Cassista and published by . This book was released on 2007 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Soubbaramayer
Publisher : Springer
ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.:/5 (43 download)
Download or read book Ninth International Conference on Numerical Methods in Fluid Dynamics written by Soubbaramayer and published by Springer. This book was released on 1985 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jean-Claude Raelison
Publisher :
ISBN 13 :
Total Pages : 155 pages
Book Rating : 4.:/5 (49 download)
Download or read book CONTRIBUTION A L'ETUDE DE L'INTERACTION TURBULENCE-MODULATION EN ECOULEMENT PULSE written by Jean-Claude Raelison and published by . This book was released on 1988 with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE THEORIQUE ET EXPERIMENTALE. TRAITEMENT STATISTIQUE D'UN ECHANTILLONNAGE DE NEUF CENTS CYCLES EN SOIXANTE CINQ JOINTS REALISE AVEC UN SYSTEME D'ACQUISITION DE DONNEES. ANALYSE DES PROFILS TRANSVERSAUX DE VITESSE. ON ETABLIT UNE CORRELATION ENTRE LES VALEURS MOYENNES DE LA CONTRAINTE DE REYNOLDS ET DU GRADIENT TRANSVERSAL DE LA COMPOSANTE LONGITUDINALE DE LA VITESSE D'UNE PART, ET LES VALEURS MODULES DE CES MEMES GRANDEURS D'AUTRE PART
Author :
Publisher :
ISBN 13 :
Total Pages : 778 pages
Book Rating : 4.:/5 (327 download)
Download or read book Bulletin de l'Institut international du froid written by and published by . This book was released on 2000 with total page 778 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Deborah V Chapman
Publisher : CRC Press
ISBN 13 : 0419215905
Total Pages : 658 pages
Book Rating : 4.4/5 (192 download)
Download or read book Water Quality Assessments written by Deborah V Chapman and published by CRC Press. This book was released on 1996-08-22 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guidebook, now thoroughly updated and revised in its second edition, gives comprehensive advice on the designing and setting up of monitoring programmes for the purpose of providing valid data for water quality assessments in all types of freshwater bodies. It is clearly and concisely written in order to provide the essential information for all agencies and individuals responsible for the water quality.
Author : Bryan Ellis
Publisher : IWA Publishing
ISBN 13 : 184339149X
Total Pages : 193 pages
Book Rating : 4.8/5 (433 download)
Download or read book Assessing Infiltration and Exfiltration on the Performance of Urban Sewer Systems written by Bryan Ellis and published by IWA Publishing. This book was released on 2010-02-10 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sewer systems constitute a very significant heritage in European cities. Their structural quality and functional efficiency are key parameters to guarantee the transfer of domestic and industrial wastewater to treatment plants without infiltration nor exfiltration. Infiltration of groundwater is particularly detrimental to treatment plant efficiency, while exfiltration of wastewater can lead to groundwater contamination. The European research project APUSS (Assessing infiltration and exfiltration on the Performance of Urban Sewer Systems) was devoted to sewer infiltration and exfiltration questions. It was structured in three main Work Areas dealing respectively with i) the development of new measurement methods based on tracer experiments and accounting for detailed uncertainty analyses, ii) the implementation of models and software tools to integrate structural and experimental data and to facilitate data display, operational management and decision-making processes and iii) the integration of economic and operational questions by means of cost estimation, economic evaluation, performance indicators and multi-criteria methods applied to investment/rehabilitation strategies. This final report describes the objectives, methods and main results for each Work Area. References to detailed methods, protocols, reports and tools are given in this final report which will be an invaluable source of information for all those concerned with the performance of urban sewer systems.
Author :
Publisher :
ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (3 download)
Download or read book Government Reports Announcements written by and published by . This book was released on 1973-08-25 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
