Two-Phase Flow Modeling of Cryogenic Loading Operations PDF Download
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Author: Dmitry G Luchinsky
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
We consider problem of modeling and controlling two-phase cryogenic flows during ground loading operations. We introduce homogeneous moving front and separated two-phase flow solvers that are capable of fast and accurate online predictions of flow dynamics during chilldown and transfer under nominal conditions and in the presence of faults. Concise sets of cryogenic correlations are proposed in each case. We present results of application of proposed solvers to the analysis of chilldown in large-scale experimental cryogenic transfer line build in Kennedy Space Center. We discuss optimization of parameters of cryogenic models obtained using general inferential framework and an application of the solvers to the fault detection and evaluation based on D-matrix approach. It is shown that solver,Äôs predictions are in good agreement with experimental data obtained for liquid nitrogen flow in nominal regime and in the presence of faults.
Author: Dmitry G Luchinsky
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 0
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Book Description
We consider problem of modeling and controlling two-phase cryogenic flows during ground loading operations. We introduce homogeneous moving front and separated two-phase flow solvers that are capable of fast and accurate online predictions of flow dynamics during chilldown and transfer under nominal conditions and in the presence of faults. Concise sets of cryogenic correlations are proposed in each case. We present results of application of proposed solvers to the analysis of chilldown in large-scale experimental cryogenic transfer line build in Kennedy Space Center. We discuss optimization of parameters of cryogenic models obtained using general inferential framework and an application of the solvers to the fault detection and evaluation based on D-matrix approach. It is shown that solver,Äôs predictions are in good agreement with experimental data obtained for liquid nitrogen flow in nominal regime and in the presence of faults.
Author: N. N. Filina
Publisher: Cambridge University Press
ISBN: 9780521481922
Category : Science
Languages : en
Pages : 152
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Book Description
Cryogenic systems that involve two-phase (vapor-liquid) flows are widely used in industries such as aerospace, metallurgy, power engineering, and food production, as well as in high energy physics research. The purpose of this book is to describe characteristic features of cryogenic systems involving two-phase flow, create mathematical models of these systems, and then show how the models may be used to develop optimal designs for practical cryogenic systems. The models are examined using analytical and numerical techniques, and then the predictions are compared to experimental measurements. Since transient phenomena can produce severe and unexpected effects in cryogenic systems, the authors pay particular attention to this important topic. Examples in the book are drawn from cryogenic fluid transport, gasification, and the stabilization of superconducting magnets. Much of this work is related to the development of large Russian systems in the areas of space technology, energy research, and particle physics. This book, the first devoted solely to cryogenic two-phase flow, will be a valuable reference for cryogenic engineers and scientists.
Author: Raymond Virgil Smith
Publisher:
ISBN:
Category : Helium
Languages : en
Pages : 84
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Book Description
Author: R. V. Smith
Publisher:
ISBN:
Category : Gas flow
Languages : en
Pages : 140
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Book Description
The literature summary presents a brief description and discussion of papers on choking, two-phase flow.The papers are arranged with respect to analysis methods and experimental systems.The ide * alized solutions utilize models intended to provide upper and lower limits for the actual flow cases.Charts are presented to provide for rapid determination of choking flow for the choking point condition and for Fanno and isentropic flow for the fluids H2, N2, O2, CCl2F2, CCl3F.A discussion of choking flow and relaxation phenomena is included.(Author).
Author:
Publisher: BoD – Books on Demand
ISBN: 1789844460
Category : Science
Languages : en
Pages : 408
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Book Description
Heat and mass transfer is the core science for many industrial processes as well as technical and scientific devices. Automotive, aerospace, power generation (both by conventional and renewable energies), industrial equipment and rotating machinery, materials and chemical processing, and many other industries are requiring heat and mass transfer processes. Since the early studies in the seventeenth and eighteenth centuries, there has been tremendous technical progress and scientific advances in the knowledge of heat and mass transfer, where modeling and simulation developments are increasingly contributing to the current state of the art. Heat and Mass Transfer - Advances in Science and Technology Applications aims at providing researchers and practitioners with a valuable compendium of significant advances in the field.
Author: S. Mostafa Ghiaasiaan
Publisher: Cambridge University Press
ISBN: 1316785300
Category : Technology & Engineering
Languages : en
Pages : 1322
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Book Description
Providing a comprehensive introduction to the fundamentals and applications of flow and heat transfer in conventional and miniature systems, this fully enhanced and updated edition covers all the topics essential for graduate courses on two-phase flow, boiling, and condensation. Beginning with a concise review of single-phase flow fundamentals and interfacial phenomena, detailed and clear discussion is provided on a range of topics, including two-phase hydrodynamics and flow regimes, mathematical modeling of gas-liquid two-phase flows, pool and flow boiling, flow and boiling in mini and microchannels, external and internal-flow condensation with and without noncondensables, condensation in small flow passages, and two-phase choked flow. Numerous solved examples and end-of-chapter problems that include many common design problems likely to be encountered by students, make this an essential text for graduate students. With up-to-date detail on the most recent research trends and practical applications, it is also an ideal reference for professionals and researchers in mechanical, nuclear, and chemical engineering.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: S. Mostafa Ghiaasiaan
Publisher: Cambridge University Press
ISBN: 9780521882767
Category : Technology & Engineering
Languages : en
Pages : 636
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Book Description
This text is an introduction to gas-liquid two-phase flow, boiling and condensation for graduate students, professionals, and researchers in mechanical, nuclear, and chemical engineering. The book provides a balanced coverage of two-phase flow and phase change fundamentals, well-established art and science dealing with conventional systems, and the rapidly developing areas of microchannel flow and heat transfer. It is based on the author's more than 15 years of teaching experience. Instructors teaching multiphase flow have had to rely on a multitude of books and reference materials. This book remedies that problem by covering all the topics that are essential for a graduate first course. Among the important areas that are discussed in the book, and are not adequately covered by virtually all the available textbooks, are: two-phase flow model conservation equations and their numerical solution; condensation with and without noncondensables; and two-phase flow, boiling, and condensation in mini and microchannels.
Author: Electric Power Research Institute
Publisher:
ISBN:
Category :
Languages : en
Pages : 200
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Book Description
Author: J. G. Weisend
Publisher: American Institute of Physics
ISBN: 9780735405042
Category : Science
Languages : en
Pages : 952
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Book Description
All papers have been peer-reviewed. This conference is the principal North American Conference on cryogenic engineering. It is attended by scientists and engineers from all over the world. The papers published here have been fully refereed and cover all aspects of cryogenic engineering including: refrigeration, superconductivity, cryocoolers, air liquefaction, heat and mass transfer, insulation systems, cryostat design and space cryogenics.
