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Author: Fernando Ortega Vásquez
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Book Description
Las aletas o en general el uso de superficies extendidas en el diseño de equipos de transferencia de calor, permite primordialmente la reducción de tamaño y costo de dicho equipo. Por esta razón es de suma importancia para las diferentes ramas de ingeniería de diseño. Como en el caso del ingeniero químico al estar en contacto con procesos de evaporación, condensación, calentamiento y enfriamiento de fluídos; al ingeniero electricista al diseñar transformadores, generadores y motores electromecánicos que requieren enfriamiento, y al ingeniero mecánico en los diseños de equipos de refrigeración, acondicionamiento y ventilación, plantas generadoras de vapor y máquinas de combustión en general. Se justifica el uso de aletas o superficies extendidas cuando el fluido y la condición de flujo en un lado de la superficie o pared dan por resultado un coeficiente de superficie mucho menor que el coeficiente de superficie que se obtiene con las condiciones de fluido y flujo de el otro lado de la pared.
Author: Fernando Ortega Vásquez
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Book Description
Las aletas o en general el uso de superficies extendidas en el diseño de equipos de transferencia de calor, permite primordialmente la reducción de tamaño y costo de dicho equipo. Por esta razón es de suma importancia para las diferentes ramas de ingeniería de diseño. Como en el caso del ingeniero químico al estar en contacto con procesos de evaporación, condensación, calentamiento y enfriamiento de fluídos; al ingeniero electricista al diseñar transformadores, generadores y motores electromecánicos que requieren enfriamiento, y al ingeniero mecánico en los diseños de equipos de refrigeración, acondicionamiento y ventilación, plantas generadoras de vapor y máquinas de combustión en general. Se justifica el uso de aletas o superficies extendidas cuando el fluido y la condición de flujo en un lado de la superficie o pared dan por resultado un coeficiente de superficie mucho menor que el coeficiente de superficie que se obtiene con las condiciones de fluido y flujo de el otro lado de la pared.
Author: Nathan I. Cherny
Publisher: Oxford University Press, USA
ISBN: 0199656096
Category : Medical
Languages : en
Pages : 1281
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Book Description
Emphasising the multi-disciplinary nature of palliative care the fourth edition of this text also looks at the individual professional roles that contribute to the best-quality palliative care.
Author: Kenneth J. Valentas
Publisher: CRC Press
ISBN: 9781420049077
Category : Technology & Engineering
Languages : en
Pages : 732
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Book Description
Food engineering has become increasingly important in the food industry over the years, as food engineers play a key role in developing new food products and improved manufacturing processes. While other textbooks have covered some aspects of this emerging field, this is the first applications-oriented handbook to cover food engineering processes and manufacturing techniques. A major portion of Handbook of Food Engineering Practice is devoted to defining and explaining essential food operations such as pumping systems, food preservation, and sterilization, as well as freezing and drying. Membranes and evaporator systems and packaging materials and their properties are examined as well. The handbook provides information on how to design accelerated storage studies and determine the temperature tolerance of foods, both of which are important in predicting shelf life. The book also examines the importance of physical and rheological properties of foods, with a special look at the rheology of dough and the design of processing systems for the manufacture of dough. The final third of the book provides useful supporting material that applies to all of the previously discussed unit operations, including cost/profit analysis methods, simulation procedures, sanitary guidelines, and process controller design. The book also includes a survey of food chemistry, a critical area of science for food engineers.
Author: Tuncer Cebeci
Publisher: Elsevier
ISBN: 0323151051
Category : Technology & Engineering
Languages : en
Pages : 423
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Book Description
Analysis of Turbulent Boundary Layers focuses on turbulent flows meeting the requirements for the boundary-layer or thin-shear-layer approximations. Its approach is devising relatively fundamental, and often subtle, empirical engineering correlations, which are then introduced into various forms of describing equations for final solution. After introducing the topic on turbulence, the book examines the conservation equations for compressible turbulent flows, boundary-layer equations, and general behavior of turbulent boundary layers. The latter chapters describe the CS method for calculating two-dimensional and axisymmetric laminar and turbulent boundary layers. This book will be useful to readers who have advanced knowledge in fluid mechanics, especially to engineers who study the important problems of design.
Author: Max Watson
Publisher: Oxford University Press
ISBN: 0199234353
Category : Medical
Languages : en
Pages : 1078
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Book Description
Revised throughout with an additional emphasis on nursing care, this handbook is a concise and authoritative guide to modern palliative care. An ideal resource for the busy professional management of patients with end of life care needs.
Author: J. Comyn
Publisher: Springer Science & Business Media
ISBN: 9400948581
Category : Technology & Engineering
Languages : en
Pages : 387
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Book Description
Polymers are permeable, whilst ceramics, glasses and metals are gener ally impermeable. This may seem a disadvantage in that polymeric containers may allow loss or contamination of their contents and aggressive substances such as water will diffuse into polymeric struc tures such as adhesive joints or fibre-reinforced composites and cause weakening. However, in some cases permeability is an advantage, and one particular area where this is so is in the use of polymers in drug delivery systems. Also, without permeable polymers, we would not enjoy the wide range of dyed fabrics used in clothing and furnishing. The fundamental reason for the permeability of polymers is their relatively high level of molecular motion, a factor which also leads to their high levels of creep in comparison with ceramics, glasses and metals. The aim of this volume is to examine some timely applied aspects of polymer permeability. In the first chapter basic issues in the mathema tics of diffusion are introduced, and this is followed by two chapters where the fundamental aspects of diffusion in polymers are presented. The following chapters, then, each examine some area of applied science where permeability is a key issue. Each chapter is reasonably self-contained and intended to be informative without frequent outside reference. This inevitably leads to some repetition, but it is hoped that this is not excessive.
Author: Iain G. Currie
Publisher: CRC Press
ISBN: 0203910540
Category : Technology & Engineering
Languages : en
Pages : 504
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Book Description
Retaining the features that made previous editions perennial favorites, Fundamental Mechanics of Fluids, Third Edition illustrates basic equations and strategies used to analyze fluid dynamics, mechanisms, and behavior, and offers solutions to fluid flow dilemmas encountered in common engineering applications. The new edition contains completely reworked line drawings, revised problems, and extended end-of-chapter questions for clarification and expansion of key concepts. Includes appendices summarizing vectors, tensors, complex variables, and governing equations in common coordinate systems Comprehensive in scope and breadth, the Third Edition of Fundamental Mechanics of Fluids discusses: Continuity, mass, momentum, and energy One-, two-, and three-dimensional flows Low Reynolds number solutions Buoyancy-driven flows Boundary layer theory Flow measurement Surface waves Shock waves
Author: Jorge E. Lozano
Publisher: CRC Press
ISBN: 9781566769914
Category : Technology & Engineering
Languages : en
Pages : 376
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Book Description
Trends in Food Engineering presents a wide vision of food engineering, with an emphasis on topics vital to the food industry today. The first section deals with physical and sensory properties of food. The emphasis in these chapters is on structure-function relationships, food rheology, and the correlations between physicochemical and sensory data. The second section, on advances in food processing, includes recent developments in minimal preservation and thermal and nonthermal processing of foods. The book concludes with current topics in food engineering, including applied biotechnology, food additives, and functional properties of proteins.
Author: Roderick D.M. Page
Publisher: John Wiley & Sons
ISBN: 1444313363
Category : Science
Languages : en
Pages : 352
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Book Description
The study of evolution at the molecular level has given the subject of evolutionary biology a new significance. Phylogenetic 'trees' of gene sequences are a powerful tool for recovering evolutionary relationships among species, and can be used to answer a broad range of evolutionary and ecological questions. They are also beginning to permeate the medical sciences. In this book, the authors approach the study of molecular evolution with the phylogenetic tree as a central metaphor. This will equip students and professionals with the ability to see both the evolutionary relevance of molecular data, and the significance evolutionary theory has for molecular studies. The book is accessible yet sufficiently detailed and explicit so that the student can learn the mechanics of the procedures discussed. The book is intended for senior undergraduate and graduate students taking courses in molecular evolution/phylogenetic reconstruction. It will also be a useful supplement for students taking wider courses in evolution, as well as a valuable resource for professionals. First student textbook of phylogenetic reconstruction which uses the tree as a central metaphor of evolution. Chapter summaries and annotated suggestions for further reading. Worked examples facilitate understanding of some of the more complex issues. Emphasis on clarity and accessibility.
Author: Tessel M. Bauduin
Publisher: Routledge
ISBN: 135137902X
Category : Art
Languages : en
Pages : 639
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Book Description
This volume examines the relationship between occultism and Surrealism, specifically exploring the reception and appropriation of occult thought, motifs, tropes and techniques by Surrealist artists and writers in Europe and the Americas, from the 1920s through the 1960s. Its central focus is the specific use of occultism as a site of political and social resistance, ideological contestation, subversion and revolution. Additional focus is placed on the ways occultism was implicated in Surrealist discourses on identity, gender, sexuality, utopianism and radicalism.
