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Author : Rafael Lugo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (493 download)
Download or read book Contribution à l'étude de deux méthodes de fabrication des coulis de glace par contact direct written by Rafael Lugo and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rafael Lugo
Publisher :
ISBN 13 :
Total Pages : 203 pages
Book Rating : 4.:/5 (492 download)
Download or read book Contribution à l'étude de deux méthodes de fabrication des coulis de glace par contact direct written by Rafael Lugo and published by . This book was released on 2004 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt: L’utilisation des fluides frigoporteurs diphasiques solide-liquide (coulis de glace) est une solution intéressante pour répondre aux nouvelles sécuritaires et environnementales concernant l’industrie du froid. Toutefois, la question de la production de la phase solide dispersée demeure un inconvénient de ce type de technologie, du fait que le générateur est coûteux en termes d’investissement et maintenance. Dans ce travail de thèse, nous étudions deux techniques d’échange par contact direct, qui pourraient permettre d’obtenir une installation moins onéreuse et plus performante. Ces techniques sont l’évaporation sous vide et l’injection directe. Cette étude porte sur le dimensionnement du générateur. Concernant l’évaporation sous vide, nous avons déterminé par le calcul et par l’expérience les courbes d’équilibre glace-liquide-vapeur pour différentes solutions aqueuses susceptibles d’être utilisées dans la production des coulis de glace. Par ailleurs, nous traitons de manière formelle et expérimentale le problème de l’évaluation du débit d’évaporation sous vide. Quant à l’injection directe, après avoir mené une étude bibliographique assez complète sur l’évaporation d’un fluide dans un milieu non miscible, nous évaluons expérimentalement les échanges de chaleur entre les deux fluides, ce qui nous permet de construire un modèle simplifié. Nous avons complété ce travail avec quelques expériences effectuées sur un prototype de générateur à injection directe.
Author : Matthieu Faucheux
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.:/5 (494 download)
Download or read book Contribution à l'étude d'un procédé de cristallisation d'une solution aqueuse en écoulement written by Matthieu Faucheux and published by . This book was released on 2006 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ce travail concerne l'étude d'un générateur de fluides frigoporteurs diphasique fonctionnant à l'aide d'un échangeur tubulaire. L'utilisation de ces fluides secondaires permet de réduire la masse de fluide frigorigène qui contribue à l'effet de serre. Dans ce premier temps, nous avons étudié l'influence de la rugosité Ra d'une paroi sur la rupture de surfusion. Les résultats montrent que le degré de surfusion évolue selon une loi puissance de la rugosité. Nous avons étudié dans un deuxième temps la cristallisation en écoulement à l'aide d'un échangeur tubulaire transparent. Les enregistrements vidéo nous ont permis de déterminer les différentes étapes de la production de coulis de glace à l'aide d'un échangeur tubulaire et de mesurer les différentes vitesses de rétro-diffusion du front de cristallisation observées. Enfin nous avons développé un modèle numérique capable de simuler la cristallisation de solutions avec rupture de surfusion qu'elles soient statiques dans une cellule cylindrique ou en écoulement dans un tube. Ce travail financé par l'ADEME (Agence De l'Environnement et de la Maîtrise de l'Énergie) et la région Pays-de-Loire contribue à l'avancement sur l'étude des générateurs de coulis de glace qui est aujourd'hui le prinicipal verrou de cette technologie.
Author : Joao-Paulo Ribeiro
Publisher :
ISBN 13 :
Total Pages : 225 pages
Book Rating : 4.:/5 (493 download)
Download or read book Contribution à l’étude thermique et dynamique de la cristallisation de l’eau surfondue written by Joao-Paulo Ribeiro and published by . This book was released on 2007 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Depuis la confirmation de la contribution des fluides frigorigènes aux problèmes environnementaux, des techniques se développent pour réduire leur impact, notamment par l’emploi d’un fluide secondaire dans les installations frigorifiques tel que le coulis de glace. Parmi les méthodes de production d’un tel fluide, il y a celle fondée sur la cristallisation de l’eau à la rupture de surfusion. Afin d’en contrôler les performances, des connaissances sur les aspects phénoménologiques de la rupture de surfusion sont nécessaires, et plus particulièrement sur les effets dynamiques et thermiques de la cristallisation au moment de la rupture de surfusion. Dans ce contexte, l’ouvrage présente des études expérimentales sur la rupture de surfusion de l’eau. Dans un premier temps, des visualisations ont permis de visualiser la manière dont le coulis de glace est obtenu. Dans un second temps, une étude de la cristallisation d’une masse d’eau soumise à différents degrés de surfusion dans un canal capillaire a permis d’analyser l’aspect thermique du phénomène et l’évolution dynamique de l’interface liquide-solide. Dans une dernière partie, le développement d’une simulation numérique décrivant les phénomènes thermiques et dynamiques qui se manifestent à la rupture de surfusion est présenté.
Author : Heinz Stefan
Publisher :
ISBN 13 :
Total Pages : 313 pages
Book Rating : 4.:/5 (491 download)
Download or read book Contribution à l'étude du cheminement d'un coulis d'injection dans un milieu poreux perméable written by Heinz Stefan and published by . This book was released on 1963 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis R. Heldman
Publisher : Springer Science & Business Media
ISBN 13 : 9401093377
Total Pages : 441 pages
Book Rating : 4.4/5 (1 download)
Download or read book Food Process Engineering written by Dennis R. Heldman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 441 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Second Edition of Food Process Engineering by Dr. Dennis Heldman, my former student, and co-author Paul Singh, his former student, attests to the importance of the previous edition. In the Foreword to the First Edition, I noted the need for people in all facets of the food processing industry to consider those variables of design of particular importance in engineering for the food processing field. In addition to recognizing the many variables involved in the biological food product being handled from production to consumption, the engi neer must oftentimes adapt equations developed for non-biological materials. As more and more research is done, those equations are appropriately modified to be more accurate or new equations are developed specifically for designing to process foods. This Edition updates equations used. This book serves a very important need in acquainting engineers and technologists, particularly those with a math ematics and physics background, with the information necessary to provide a more efficient design to accomplish the objectives. Of prime importance, at present and in the future, is to design for efficient use of energy. Now, it is often economical to put considerably more money into first costs for an efficient design than previously, when energy costs were a much smaller proportion of the total cost of process engineering.
Author : Don Montague
Publisher : Taylor & Francis
ISBN 13 : 9780419199106
Total Pages : 472 pages
Book Rating : 4.1/5 (991 download)
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.
Author : Gabriel Surenne
Publisher :
ISBN 13 :
Total Pages : 580 pages
Book Rating : 4.:/5 (334 download)
Download or read book Dictionary of the French and English Languages written by Gabriel Surenne and published by . This book was released on 1856 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jean-Pierre Tournier
Publisher : CRC Press
ISBN 13 : 100060652X
Total Pages : 0 pages
Book Rating : 4.0/5 (6 download)
Download or read book Sustainable and Safe Dams Around the World / Un monde de barrages durables et sécuritaires written by Jean-Pierre Tournier and published by CRC Press. This book was released on 2019-08-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings include digital media with the full conference papers (3600+ pages). Sustainable and Safe Dams Around the World contains the contributions presented at the 2019 Symposium of the International Commission on Large Dams (ICOLD 2019, Ottawa, Canada, 9-14 June 2019). The main topics of the book include: 1. Innovation (recent advancements and techniques for investigations, design, construction, operation and maintenance of water or tailings dams and spillways) 2. Sustainable Development (planning, design, construction, operation, decommissioning and closure management strategies for water resources or tailings dams, e.g. climate change, sedimentation, environmental protection, risk management). 3. Hazards (design mitigation and management of hazards to water or tailings dams, appurtenant structures, spillways and reservoirs (e.g. floods, seismic, landslides). 4. Extreme Conditions (management for water or tailings dams (e.g. permafrost and ice loading, arid/wet climates, geo-hazards). 5. Tailings (design, construction, operation and closure for tailings dams; recent advancements and best practice) Sustainable and Safe Dams Around the World will be invaluable to academics and professionals interested or involved in dams. Un monde de barrages durables et sécuritaires contiennent les contributions présentées lors du symposium de 2019 de la Commission internationale des grands barrages (CIGB 2019, Ottawa, Canada, 9-14 juin 2019). Les principaux sujets du livre incluent: 1. Innovation (Avancées et techniques récentes pour l’investigation, la conception, la construction, l’exploitation et l’entretien de barrages hydrauliques, de barrages de stériles et d’évacuateurs de crues) 2. Développement durable (stratégies de gestion pour la planification, la conception, la construction, l’exploitation, la mise hors service et la fermeture de barrages hydrauliques ou des barrages de stériles, par exemple, changement climatique, sédimentation, protection de l’environnement, gestion des risques). 3. Risques (mesures d’atténuation et gestion des risques liés aux barrages hydrauliques et barrages de stériles, aux ouvrages annexes, aux évacuateurs de crues et aux réservoirs, par exemple, inondations, tremblements de terre, glissements de terrain). 4. Environnement extrême (gestion des barrages hydrauliques et barrages de stériles, par exemple, pergélisol et charge de glace, climats secs / humides, géorisques). 5. Barrages de stériles (conception, construction, exploitation et fermeture des barrages de stériles; avancées récentes et meilleures pratiques). Un monde de barrages durables et sécuritaires seront d'une valeur inestimable pour les universitaires et les professionnels intéressés ou impliqués dans les barrages.
Author : Judith A. Evans
Publisher : John Wiley & Sons
ISBN 13 : 1444302337
Total Pages : 368 pages
Book Rating : 4.4/5 (443 download)
Download or read book Frozen Food Science and Technology written by Judith A. Evans and published by John Wiley & Sons. This book was released on 2009-01-21 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive source of information on freezing and frozen storage of food. Initial chapters describe the freezing process and provide a fundamental understanding of the thermal and physical processes that occur during freezing. Experts in each stage of the frozen cold chain provide, within dedicated chapters, guidelines and advice on how to freeze food and maintain its quality during storage, transport, retail display and in the home. Individual chapters deal with specific aspects of freezing relevant to the main food commodities: meat, fish, fruit and vegetables. Legislation and new freezing processes are also covered. Frozen Food Science and Technology offers in-depth knowledge of current and emerging refrigeration technologies along the entire frozen food chain, enabling readers to optimise the quality of frozen food products. It is aimed at food scientists, technologists and engineers within the frozen food industry; frozen food retailers; and researchers and students of food science and technology.
Author : Alejandro G. Marangoni
Publisher : CRC Press
ISBN 13 : 142003054X
Total Pages : 872 pages
Book Rating : 4.4/5 (2 download)
Download or read book Fat Crystal Networks written by Alejandro G. Marangoni and published by CRC Press. This book was released on 2004-12-27 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first authoritative source on the subject, this reference discusses the various levels of structure that influence the macroscopic physical properties of fat crystal networks. Fat Crystal Networks summarizes 50 years of structural research in the field, as well as a wealth of information on fat crystal networks pertinent to real-world challenge
Author : David Taras
Publisher : University of Calgary Press
ISBN 13 : 1552381048
Total Pages : 333 pages
Book Rating : 4.5/5 (523 download)
Download or read book How Canadians Communicate written by David Taras and published by University of Calgary Press. This book was released on 2003 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: How Canadians Communicate, Vol. 1 is a timely collection that chronicles the extraordinary changes that are shaking the foundations of Canada's cultural and communications industries in the twenty-first century. With essays from some of Canada's foremost media scholars, this book discusses the major trends and developments that have taken place in government policy, corporate strategies, creative communities, and various communication mediums: newspapers, films, cellular and palm technology, the Internet, libraries, TV, music, and book publishing. This volume addresses many issues unique to Canada in a broader framework of global communications. Specifically, it looks at new media communications in Aboriginal communities, the changing role of the state in cultural institutions, the conglomeratization of the media, the threat of American and global communications to Canadian voices, and the struggle to retain and reclaim local and national identities in the face of globalization. With articles from academics and professionals across Canada, How Canadians Communicate, Vol.1 provides the most current perspectives on communication in Canada in a rapidly changing world of technology and global communication.
Author : Harald Mehling
Publisher : Springer Science & Business Media
ISBN 13 : 354068557X
Total Pages : 316 pages
Book Rating : 4.5/5 (46 download)
Download or read book Heat and cold storage with PCM written by Harald Mehling and published by Springer Science & Business Media. This book was released on 2008-08-15 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The years 2006 and 2007 mark a dramatic change of peoples view regarding c- mate change and energy consumption. The new IPCC report makes clear that - mankind plays a dominant role on climate change due to CO emissions from en- 2 ergy consumption, and that a significant reduction in CO emissions is necessary 2 within decades. At the same time, the supply of fossil energy sources like coal, oil, and natural gas becomes less reliable. In spring 2008, the oil price rose beyond 100 $/barrel for the first time in history. It is commonly accepted today that we have to reduce the use of fossil fuels to cut down the dependency on the supply countries and to reduce CO emissions. The use of renewable energy sources and 2 increased energy efficiency are the main strategies to achieve this goal. In both strategies, heat and cold storage will play an important role. People use energy in different forms, as heat, as mechanical energy, and as light. With the discovery of fire, humankind was the first time able to supply heat and light when needed. About 2000 years ago, the Romans started to use ceramic tiles to store heat in under floor heating systems. Even when the fire was out, the room stayed warm. Since ancient times, people also know how to cool food with ice as cold storage.
Author : Michael Kauffeld
Publisher :
ISBN 13 : 9782913149441
Total Pages : 360 pages
Book Rating : 4.1/5 (494 download)
Download or read book Handbook on Ice Slurries written by Michael Kauffeld and published by . This book was released on 2005 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Da-Wen Sun
Publisher : CRC Press
ISBN 13 : 1351263463
Total Pages : 734 pages
Book Rating : 4.3/5 (512 download)
Download or read book Computational Fluid Dynamics in Food Processing written by Da-Wen Sun and published by CRC Press. This book was released on 2018-10-26 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since many processes in the food industry involve fluid flow and heat and mass transfer, Computational Fluid Dynamics (CFD) provides a powerful early-stage simulation tool for gaining a qualitative and quantitative assessment of the performance of food processing, allowing engineers to test concepts all the way through the development of a process or system. Published in 2007, the first edition was the first book to address the use of CFD in food processing applications, and its aims were to present a comprehensive review of CFD applications for the food industry and pinpoint the research and development trends in the development of the technology; to provide the engineer and technologist working in research, development, and operations in the food industry with critical, comprehensive, and readily accessible information on the art and science of CFD; and to serve as an essential reference source to undergraduate and postgraduate students and researchers in universities and research institutions. This will continue to be the purpose of this second edition. In the second edition, in order to reflect the most recent research and development trends in the technology, only a few original chapters are updated with the latest developments. Therefore, this new edition mostly contains new chapters covering the analysis and optimization of cold chain facilities, simulation of thermal processing and modeling of heat exchangers, and CFD applications in other food processes.
Author : Honoré de Balzac
Publisher : BEYOND BOOKS HUB
ISBN 13 :
Total Pages : pages
Book Rating : 4./5 ( download)
Download or read book Cousin Betty by Honoré de Balzac written by Honoré de Balzac and published by BEYOND BOOKS HUB. This book was released on 2021-01-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: La Cousine Bette is an 1846 novel by French author Honoré de Balzac. Set in mid-19th-century Paris, it tells the story of an unmarried middle-aged woman who plots the destruction of her extended family. Bette works with Valérie Marneffe, an unhappily married young lady, to seduce and torment a series of men.
Author : Thomas Nugent
Publisher :
ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.1/5 (481 download)
Download or read book A New Pocket Dictionary of the French and English Languages in Two Parts written by Thomas Nugent and published by . This book was released on 1770 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
