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Author: Monica V. Pham Publisher: ISBN: Category : Languages : en Pages : 148
Book Description
Multiphase Computational Fluid Dynamics (M-CFD) has the potential to provide high fidelity simulation of complex boiling phenomena in Light Water Reactors (LWRs), thereby accelerating the development cycle and reducing the need for expensive large-scale experiments. M-CFD relies on two-phase closure models to consistently represent the relevant physical phenomena in flow boiling. However, the still incomplete understanding of the ability of these closures to accurately capture the underlying physics limits the adoption of M-CFD in reactor development and design optimization. Due to the interaction of complex physical phenomena present in subcooled flow boiling, local measurements are necessary to assess the performance of existing closures. Additionally, because previous validation was performed using low pressure data, measurements at high pressure are needed to understand the performance of multiphase closures at PWR conditions.
Author: Monica V. Pham Publisher: ISBN: Category : Languages : en Pages : 148
Book Description
Multiphase Computational Fluid Dynamics (M-CFD) has the potential to provide high fidelity simulation of complex boiling phenomena in Light Water Reactors (LWRs), thereby accelerating the development cycle and reducing the need for expensive large-scale experiments. M-CFD relies on two-phase closure models to consistently represent the relevant physical phenomena in flow boiling. However, the still incomplete understanding of the ability of these closures to accurately capture the underlying physics limits the adoption of M-CFD in reactor development and design optimization. Due to the interaction of complex physical phenomena present in subcooled flow boiling, local measurements are necessary to assess the performance of existing closures. Additionally, because previous validation was performed using low pressure data, measurements at high pressure are needed to understand the performance of multiphase closures at PWR conditions.
Author: Vivek V. Ranade Publisher: John Wiley & Sons ISBN: 3527812040 Category : Technology & Engineering Languages : en Pages : 838
Book Description
Discover the cutting-edge in multiphase flows used in the process industries In Multiphase Flows for Process Industries: Fundamentals and Applications, a team of accomplished chemical engineers delivers an insightful and complete treatment of the state-of-the-art in commonly encountered multiphase flows in the process industries. After discussing the theoretical background, experimental methods, and computational methods applicable to multiphase flows, the authors explore specific examples from the process industries. The book covers a wide range of multiphase flows, including gas-solid fluidized beds and flows with phase change. It also provides direction on how to use current advances in the field to realize efficient and optimized processes. Filling the gap between theory and practice, this unique reference also includes: A thorough introduction to multiphase flows and the process industry Practical discussions of flow regimes, lower order models and correlations, and the chronological development of mathematical models for multiphase flows Comprehensive explorations of experimental methods for characterizing multiphase flows, including flow imaging and visualization In-depth examinations of computational models for simulating multiphase flows Perfect for chemical and process engineers, Multiphase Flows for Process Industries: Fundamentals and Applications is required reading for graduate and doctoral students in the engineering sciences, as well as professionals in the chemical industry.
Author: IAEA Publisher: International Atomic Energy Agency ISBN: 9201004214 Category : Business & Economics Languages : en Pages : 121
Book Description
This publication documents the results of an IAEA coordinated research project (CRP)on the application of computational fluid dynamics (CFD) codes for nuclear power plant design. The main objective was to benchmark CFD codes, model options and methods against CFD experimental data under single phase flow conditions. This publication summarizes the current capabilities and applications of CFD codes, and their present qualification level, with respect to nuclear power plant design requirements. It is not intended to be comprehensive, focusing instead on international experience in the practical application of these tools in designing nuclear power plant components and systems. The guidance in this publication is based on inputs provided by international nuclear industry experts directly involved in nuclear power plant design issues, CFD applications, and in related experimentation and validation highlighted during the CRP.
Author: Publisher: ISBN: Category : Languages : en Pages : 34
Book Description
Recent progress in the development and application of homogenous multiphase CFD methods for large-scale gas cavities in liquid flows are presented. The focus of the presentation is on work in n-species transport approaches applied to developed and super-cavitation. Numerical formulation, physical modeling, and applications are included. Numerical issues to be discussed include: preconditioning in the context of incompressible through supersonic Mach numbers, arbitrary numbers of species, high density ratios, and large gas volume/mass fractions; computational grid requirements; dual-time formulation; and general large-scale high-performance computing. Physical modeling issues to be discussed include: homogeneous mixture compressibility; mass-transfer modeling; condensable and non-condensable gas species; turbulence modeling; and 6-degree-of-freedom 6DOF flowfield/rigid-body interaction. The applications to be presented range from naturally cavitating modeled flow on simple configurations (ogives, nozzles, airfoils/wedges) to more industrially relevant, complex-geometry applications including turbomachinery (cavitation breakdown), and super-cavitation (underwater rockets, hypervelocity darts, condensable and non-condensable cavities, gas-on/off transients, twin-vortex regime). Recent applications including Detached Eddy Simulation DES of natural cavities, and 6DOF analysis of a propelled notional super-cavitating vehicle are presented.
Author: Jun Wang Publisher: Woodhead Publishing ISBN: 0128181915 Category : Technology & Engineering Languages : en Pages : 612
Book Description
Nuclear Power Plant Design and Analysis Codes: Development, Validation, and Application presents the latest research on the most widely used nuclear codes and the wealth of successful accomplishments which have been achieved over the past decades by experts in the field. Editors Wang, Li,Allison, and Hohorst and their team of authors provide readers with a comprehensive understanding of nuclear code development and how to apply it to their work and research to make their energy production more flexible, economical, reliable and safe.Written in an accessible and practical way, each chapter considers strengths and limitations, data availability needs, verification and validation methodologies and quality assurance guidelines to develop thorough and robust models and simulation tools both inside and outside a nuclear setting. This book benefits those working in nuclear reactor physics and thermal-hydraulics, as well as those involved in nuclear reactor licensing. It also provides early career researchers with a solid understanding of fundamental knowledge of mainstream nuclear modelling codes, as well as the more experienced engineers seeking advanced information on the best solutions to suit their needs. Captures important research conducted over last few decades by experts and allows new researchers and professionals to learn from the work of their predecessors Presents the most recent updates and developments, including the capabilities, limitations, and future development needs of all codes Incudes applications for each code to ensure readers have complete knowledge to apply to their own setting
Author: Vivek V. Ranade Publisher: John Wiley & Sons ISBN: 3527346430 Category : Technology & Engineering Languages : en Pages : 357
Book Description
Hydrodynamic Cavitation A systematic introduction to critical technologies and applications of hydrodynamic cavitation In Hydrodynamic Cavitation: Devices, Design, and Applications, a distinguished team of researchers delivers an authoritative discussion of key aspects of hydrodynamic cavitation, including the design, characterization, and modeling of the devices. The book offers discussions of state-of-the-art applications of the technology, including the disinfection of water, wastewater treatment, biomass processing, and many other industrial applications. In addition to expansive case studies, the book provides an up-to-date exploration of emerging innovations and future applications of the technology. Readers will also find: A thorough introduction to hydrodynamic cavitation devices, including those based on axial and rotational flows An in-depth examination of the experimental characterization of cavitation devices and computational models Comprehensive explorations of the applications of hydrodynamic cavitation, including the disinfection of water and wastewater treatment Accessible discussions of industrial applications of hydrodynamic cavitation Perfect for chemical and process engineers, water chemists, mechanical engineers, and food chemists, Hydrodynamic Cavitation will also earn a place in the libraries of food and environmental technologists.
Author: Monica V. Pham
Author: Monica V. Pham
Author: Vivek V. Ranade
Author: IAEA
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Author: 
Author: 
Author: Jun Wang
Author: Nikolay Ivanov Kolev
Author: Vivek V. Ranade
Author: Zhaoming Meng