Cryogenic Heat Management

Cryogenic Heat Management PDF

Author: Jonathan Demko

Publisher: CRC Press

Published: 2022-07-21

Total Pages: 459

ISBN-13: 1000579689

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Cryogenic engineering (cryogenics) is the production, preservation, and use or application of cold. This book presents a comprehensive introduction to designing systems to deal with heat – effective management of cold, exploring the directing (or redirecting), promoting, or inhibiting this flow of heat in a practical way. It provides a description of the necessary theory, design methodology, and advanced demonstrations (thermodynamics, heat transfer, thermal insulation, fluid mechanics) for many frequently occurring situations in low-temperature apparatus. This includes systems that are widely used such as superconducting magnets for magnetic resonance imaging (MRI), high-energy physics, fusion, tokamak and free electron laser systems, space launch and exploration, and energy and transportation use of liquid hydrogen, as well as potential future applications of cryo-life sciences and chemical industries. The book is written with the assumption that the reader has an undergraduate understanding of thermodynamics, heat transfer, and fluid mechanics, in addition to the mechanics of materials, material science, and physical chemistry. Cryogenic Heat Management: Technology and Applications for Science and Industry will be a valuable guide for those researching, teaching, or working with low-temperature or cryogenic systems, in addition to postgraduates studying the topic. Key features: Presents simplified but useful and practical equations that can be applied in estimating performance and design of energy-efficient systems in low-temperature systems or cryogenics Contains practical approaches and advanced design materials for insulation, shields/anchors, cryogen vessels/pipes, calorimeters, cryogenic heat switches, cryostats, current leads, and RF couplers Provides a comprehensive introduction to the necessary theory and models needed for solutions to common difficulties and illustrates the engineering examples with more than 300 figures

Cryogenic Heat Management

Cryogenic Heat Management PDF

Author: Jonathan Demko

Publisher:

Published: 2022

Total Pages:

ISBN-13: 9780367565251

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"Cryogenic engineering (cryogenics) is the production, preservation, and use of the cold. As long as there are two different temperatures, and some physical proximity or connection between the two, the heat is flowing. This book presents a comprehensive introduction into the management, preservation and efficient use of the cold, exploring the directing (or redirecting), organizing, promoting or inhibiting this flow of heat in a practical way. This book provides a description of the necessary theory, design methodology and advanced demonstrations (thermodynamics, heat transfer, thermal insulation, fluid mechanics) for many frequently occurring situations in low temperature apparatus. This includes systems that are widely used such as magnets for MRI, HEP, fusion (tokamak systems); space explorations; as well as potential future applications of cryo-life-sciences and chemical industrials. It assumes that the reader has had an undergraduate understanding of thermodynamics, heat transfer, and fluid mechanics, in addition to the mechanics of materials and material science. It will be a valuable guide for those researching or working with low temperature, or cryogenic systems, of postgradutes studying the topic"--

A Text Book Of Cryogenics

A Text Book Of Cryogenics PDF

Author: Valery V. Kostionk

Publisher: Discovery Publishing House

Published: 2003

Total Pages: 292

ISBN-13: 9788171416424

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This book is prepared on various sections of cryogenics: properties of cryogenic products and solid bodies at low temperatures, methods of internal cooling, heat transfer at low temperatures, gas liquefaction and separation, micro-cryogenic systems, storage and transport of cryogenic fluids, and cryogenic systems for scientific research and development. Contents: Properties of Cryogenic Products and their use, Helium Properties Superfluidity, Properties of Solid Bodies at Low Temperatures, Classification of Cryogenic Systems, Thermomechanical Processes of Internal Cooling: Throttling and Expanding, Thermomechanical Processes of Internal Cooling: Exhaust, Vapor Pump-out, Desorption, Low Literature Thermodynamics Cycles, Electromagnetic Methods of Cooling, Cooling Methods Based on Specific Properties of Helium Isotopes, Heat Transfer at Low Temperatures, Gas Liquefaction and Separation Systems, Microcryogenic Systems, Liquid and Solid-state Microcryogenic Systems, Storage and Transportation of Cryogenic Fluids, Processes in Cryogenic Vessels, Cryogenic Systems for Scientific Research.

Cryogenic Heat Transfer

Cryogenic Heat Transfer PDF

Author: Randall F. Barron

Publisher: CRC Press

Published: 2017-12-19

Total Pages: 597

ISBN-13: 1315356015

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Cryogenic Heat Transfer, Second Edition continues to address specific heat transfer problems that occur in the cryogenic temperature range where there are distinct differences from conventional heat transfer problems. This updated version examines the use of computer-aided design in cryogenic engineering and emphasizes commonly used computer programs to address modern cryogenic heat transfer problems. It introduces additional topics in cryogenic heat transfer that include latent heat expressions; lumped-capacity transient heat transfer; thermal stresses; Laplace transform solutions; oscillating flow heat transfer, and computer-aided heat exchanger design. It also includes new examples and homework problems throughout the book, and provides ample references for further study. New in the Second Edition: Expands on thermal properties at cryogenic temperatures to include latent heats and superfluid helium Develops the material on conduction heat transfer and divides it into four separate chapters to facilitate understanding of the separate features and computational techniques in conduction heat transfer Introduces EES (Engineering Equation Solver), a computer-aided design tool, and other computer applications such as Maple Describes special features of heat transfer at cryogenic temperatures such as analysis with variable thermal properties, heat transfer in the near-critical region, Kapitza conductance, and network analysis for free-molecular heat transfer Includes design procedures for cryogenic heat exchangers Cryogenic Heat Transfer, Second Edition discusses the unique problems surrounding conduction heat transfer at cryogenic temperatures. This second edition incorporates various computational software methods, and provides expanded and updated topics, concepts, and applications throughout. The book is designed as a textbook for students interested in thermal problems occurring at cryogenic temperatures and also serves as reference on heat transfer material for practicing cryogenic engineers.

Cryogenic Heat Transfer

Cryogenic Heat Transfer PDF

Author: Randall F. Barron

Publisher: Taylor & Francis

Published: 1999-05-01

Total Pages: 393

ISBN-13: 1482224097

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Presents applied heat transfer principles in the range of extremely low temperatures. The specific features of heat transfer at cryogenic temperatures, such as variable properties, near critical convection, and Kapitza resistance, are described. This book includes many example problems, in each section, that help to illustrate the applications of t

Low-Loss Storage and Handling of Cryogenic Liquids

Low-Loss Storage and Handling of Cryogenic Liquids PDF

Author: Thomas D. Bostock

Publisher: Springer

Published: 2019-06-21

Total Pages: 170

ISBN-13: 3030106411

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The revised second edition of this practical book reviews the fundamentals of cryogenic liquid behaviour in small and large scale storage systems. The text is based on research findings on the convective and evaporative behaviour of cryogenic fluids, aimed at improving the design, construction and operation of low-loss cryogenic liquid storage systems, with a view to minimising cost and improving operational safety. Since the first edition was published in 2006, the breadth of cryogenic applications and the modelling of cryogenic fluid dynamics (CFD) have expanded in several directions. In this second edition, most chapters have been extended to introduce discussions of these new applications and their safety and energy economy. These include advances in the modelling of CFD required in, for example, the design of miniature cryocoolers and condensers and reboilers, large-scale cryogenic liquid mixture properties and their stability, and the understanding that hazards and safety problems in the public domain increase with the scaling up of cryogenic systems. With helpful summaries at the end of each chapter, the book is an essential reference for anyone working on the design and operation of cryogenic liquid storage and transportation systems.

Modeling of cryogenic sloshing including heat and mass transfer

Modeling of cryogenic sloshing including heat and mass transfer PDF

Author: Arnold van Foreest

Publisher: Cuvillier Verlag

Published: 2014-03-10

Total Pages: 214

ISBN-13: 3736946538

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Sloshing of cryogenic liquid propellants in launch vehicle tanks creates unwanted thermodynamic side-effects such as pressure changes in the tank. The goal of this PhD research was to develop a practical engineering model which is able to describe the influence of the sloshing of a cryogenic liquid on the heat and mass transfer and the associated temperature and pressure. The pressure changes caused by sloshing were investigated experimentally and numerically. Using the experimental and numerical results, a one dimensional (1D) engineering model was developed which is able to describe the experimental results.

Advances in Cryogenic Engineering

Advances in Cryogenic Engineering PDF

Author: K. D. Timmerhaus

Publisher: Springer Science & Business Media

Published: 2013-11-09

Total Pages: 802

ISBN-13: 1475704895

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The University of Colorado and the National Bureau of Standards have once again served as hosts for the Cryogenic Engineering Conference in Boulder, Colorado. In presenting the papers of this twelfth annual meeting, the 1966 Cryogenic Engineering Conference Committee has again recognized the excellent cooperation which has existed between these two organizations over the past decade with regard to both cryogenic research and conference activity. This cooperation was demonstrated not only at the 1966 Cryogenic Engineering Conference but also at the International Institute of Refrigeration, Commission I Meeting, which was also hosted by these two organizations immediately following the Cryogenic Engineering Conference. These two meetings have provided attendees with one of the most comprehensive coverages of cryogenic topics that has ever been presented at one location. Emphasis on major international advances in helium technology at the International Institute of Refrigeration, Commission I Meeting has been possible largely through the National Science Foundation Grant GK 1116 to the University of Colorado. The Cryogenic Engineering Conference Committee gratefully acknowledges this support because of its valuable international contribution to the Cryogenic Engineering Conference. As in the past, the Cryogenic Engineering Conference Committee is grateful for the continued assistance of all the dedicated workers in the cryogenic field who have contributed their time reviewing the preliminary papers for the program and the final manuscripts for this volume.

Analysis of Thermal-protection Systems for Space-vehicle Cryogenic-propellant Tanks

Analysis of Thermal-protection Systems for Space-vehicle Cryogenic-propellant Tanks PDF

Author: George R. Smolak

Publisher:

Published: 1962

Total Pages: 100

ISBN-13:

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Analytical techniques are presented that permit the calculation of heat-transfer rates with various thermal-protection systems for liquid-cryogenic-propellant tanks subjected to on-board, solar, and planetary heat fluxes. The effectiveness of these protection systems in reducing propellant heating is shown both for ideal heat-transfer models and for a simplified hydrogen-oxygen terminal state used for typical Mars missions.