This book is the maiden volume in a new series devoted to lectures delivered through the annual seminars “Short Courses on Multiphase Flow, ” held primarily at ETH Zurich continuously since 1984. The Zurich short courses, presented by prominent specialists in the various topics covered, have attracted a very large number of participants. This series presents fully updated and when necessary re-grouped lectures in a number of topical volumes.
The collection aims at giving a condensed, critical and up-to-date view of basic knowledge on multiphase flows in relation to systems and phenomena encountered in industrial applications.
The present volume covers the background of Multiphase Flows (MPF) that introduces the reader to the particular nature and complexity of multiphase flows and to basic but critical aspects of MPFs including concepts and the definition of the quantities of interest, an introduction to modelling strategies for MPFs, flow regimes, flow regime maps and tr
ansition criteria. It also deals with the ubiquitous needs of the multiphase-flow modeller, namely pressure drop and phase distribution, i.e., the void fraction and the topology of the phases that determines the flow regimes.
Mục lục
Nature of Multiphase Flows and Basic Concepts.- Modelling Strategies and Two-Phase Flow Models.- Interfacial Instabilities.- Flow Regimes.- Void Fraction – Empirical Methods.- Pressure Drop – Empirical Methods.- Appendix I: Tutorial.- Appendix II: Common Nomenclature.- Appendix III: Most Common Conversion Factors.
Giới thiệu về tác giả
George Yadigaroglu is Professor emeritus of Nuclear Engineering, ETH-Zurich and President and co-founder of ASCOMP AG, originally an ETH spin-off company specializing in Computational Multi-Fluid Dynamics simulations. Was also heading the Thermal-Hydraulics Laboratory at the national Paul Scherrer Institute (PSI) in Switzerland. Previously Professor of Nuclear Engineering at the University of California-Berkeley. Director and local organizer since 1984 of the Zurich Multiphase flow Short Courses. Active in research and consulting on two-phase flows and heat transfer with phase change, flow dynamics and instabilities, and their applications to nuclear power plant safety. Member of several international committees dealing with nuclear safety issues. ANS Technical Achievement Award. ANS and ASME Fellow. Former Assoc. Editor of the Int. J. of Multiphase Flow.Geoffrey F. Hewitt is Professor emeritus of Chemical Engineering at Imperial College, London. Founder of the He
at Transfer and Fluid Flow Service (HTFS) at the Harwell national Laboratory in the UK. He has authored and edited many books and published over 500 papers and reports on two-phase flows and heat transfer with phase change. Former Editor of Multiphase Science and Technology and Founding Editor of the Heat Exchanger Design Handbook. Recipient of the AICh E Donald Q. Kern, the ASME Max Jacob awards, the Nusselt Reynolds Prize, the Luikov Medal, the IChem E Council and Armstrong medals, the Senior Multiphase Flow Award and the Global Energy Prize. He has Hon. Doctorates from Louvain, UMIST and Heriot Watt. Fellow of the Royal Academy of Engineering, Fellow of the Royal Society and Foreign Associate of the US Natl Academy of Engineering.
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