A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments

A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments PDF Author: Alexander Vorobyev
Publisher: KIT Scientific Publishing
ISBN: 3866449534
Category : Science
Languages : en
Pages : 144

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Book Description
The Smoothed Particle Hydrodynamics (SPH) method is proposed for studying hydrodynamic processes related to nuclear engineering problems. A problem of possible recriticality due to the sloshing motions of the molten reactor core is studied with SPH method. The accuracy of the numerical solution obtained in this study with the SPH method is significantly higher than that obtained with the SIMMER-III/IV reactor safety analysis code.

A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments

A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments PDF Author: Alexander Vorobyev
Publisher: KIT Scientific Publishing
ISBN: 3866449534
Category : Science
Languages : en
Pages : 144

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Book Description
The Smoothed Particle Hydrodynamics (SPH) method is proposed for studying hydrodynamic processes related to nuclear engineering problems. A problem of possible recriticality due to the sloshing motions of the molten reactor core is studied with SPH method. The accuracy of the numerical solution obtained in this study with the SPH method is significantly higher than that obtained with the SIMMER-III/IV reactor safety analysis code.

Safety of Sodium-Cooled Fast Reactors

Safety of Sodium-Cooled Fast Reactors PDF Author: Songbai Cheng
Publisher: Springer Nature
ISBN: 9811661162
Category : Science
Languages : en
Pages : 313

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Book Description
This book highlights the advances and trends in the safety analysis of sodium-cooled fast reactors, especially from the perspective of particle bed-related phenomena during core disruptive accidents. A sodium-cooled fast reactor (SFR) is an optimized candidate of the next-generation nuclear reactor systems. Its safety is a critical issue during its R&D process. The book elaborates on research progresses in particle bed-related phenomena in terms of the molten-pool mobility, the molten-pool sloshing motion, the debris bed formation behavior, and the debris bed self-leveling behavior. The book serves as a good reference for researchers, professionals, and postgraduate students interested in sodium-cooled fast reactors. Knowledge provided is also useful for those who are engaging in severe accident analysis for lead-cooled fast reactors and light water reactors.

Numerical Simulation of the Gravity-Inertial Spreading of Oil Using Smoothed Particle Hydrodynamics

Numerical Simulation of the Gravity-Inertial Spreading of Oil Using Smoothed Particle Hydrodynamics PDF Author: Carlos Alberto Dutra Fraga Filho
Publisher: Cambridge Scholars Publishing
ISBN: 1036409112
Category : Technology & Engineering
Languages : en
Pages : 190

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Book Description
Oil spills at sea are a severe environmental concern. They can occur during the various stages of well-drilling, repair operations or transportation. The spreading of oil occurs due to the pollutant's tendency to flow over itself. Knowledge of its physical properties during the phenomenon, such as velocities and spatial positions, allows the timely adoption of environmental protection measures. This book presents, in a simple and objective way, the development and implementation of purely Lagrangian numerical modelling using the Smoothed Particle Hydrodynamics (SPH) method for the study of the spreading of oil in its first stage (gravity-inertial regime) on a calm sea. The computational code's implementation and validation were carried out through the simulation of classical problems in the scientific literature, i.e., heat diffusion in a homogeneous flat plate, a still volume of water inside an immobile reservoir and a dam failure. From the coupling of the software with a collision detection and response algorithm, numerical results in concordance with the curve adjusted by James Fay (a pioneering scientist in the study of oil spills) for the prediction of oil slick diameters at the end of the gravity-inertial regime were achieved.

Experimental and numerical studies on liquid metal cooled fast reactors

Experimental and numerical studies on liquid metal cooled fast reactors PDF Author: Songbai Cheng
Publisher: Frontiers Media SA
ISBN: 2832516769
Category : Technology & Engineering
Languages : en
Pages : 244

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Book Description


Reflective Boundary Conditions in SPH Fluid Dynamics Simulation

Reflective Boundary Conditions in SPH Fluid Dynamics Simulation PDF Author: Carlos Alberto Dutra Fraga Filho
Publisher: Springer Nature
ISBN: 3031715829
Category :
Languages : en
Pages : 112

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Book Description


Big Data Applications and Services 2017

Big Data Applications and Services 2017 PDF Author: Wookey Lee
Publisher: Springer
ISBN: 9811306958
Category : Technology & Engineering
Languages : en
Pages : 219

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Book Description
This proceedings volume contains selected papers from the Fourth International Conference on Big Data Applications and Services (BigDAS 2017), held in Tashkent, Uzbekistan on August 15-18, 2017. Big data has become a core technology providing innovative solutions in many fields including social media, healthcare and manufacturing. The Fourth International Conference on Big Data Applications and Services (BigDAS 2017) presented innovative results, encouraged academic and industrial interaction, and promoted collaborative research in the field of big data worldwide. The conference was organized by the Korea Big Data Services Society and National University of Uzbekistan.

CFD Applications in Nuclear Engineering

CFD Applications in Nuclear Engineering PDF Author: Wenxi Tian
Publisher: Frontiers Media SA
ISBN: 2832533264
Category : Technology & Engineering
Languages : en
Pages : 219

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Book Description
High fidelity nuclear reactor thermal hydraulic simulations are a hot research topic in the development of nuclear engineering technology. The three-dimensional Computational Fluid Dynamics (CFD) and Computational Multi-phase Fluid Dynamics (CMFD) methods have attracted significant attention in predicting single-phase and multi-phase flows under steady-state or transient scenarios in the field of nuclear reactor engineering. Compared with three-dimensional thermal hydraulic methods, the traditional one-dimensional system analysis method contains inherent defects in the required accuracy and spatial resolution for a number of important nuclear reactor thermal-hydraulic phenomena. At present the CFD method has been widely adopted in the nuclear industry, across both light water reactors and liquid metal cooled fast reactors, providing an effective solution for complex issues of thermal hydraulic analysis. However, the CFD method employs empirical models for turbulence simulation, heat transfer, multi-phase interaction and chemical reactions. Such models must be validated before they can be used with confidence in nuclear reactor applications. In addition, user practice guidelines play a critical role in achieving reliable results from CFD simulations.

Smoothed Particle Hydrodynamics

Smoothed Particle Hydrodynamics PDF Author: Gui-Rong Liu
Publisher: World Scientific
ISBN: 9812384561
Category : Technology & Engineering
Languages : en
Pages : 473

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Book Description
This is the first-ever book on smoothed particle hydrodynamics (SPH) and its variations, covering the theoretical background, numerical techniques, code implementation issues, and many novel and interesting applications. It contains many appealing and practical examples, including free surface flows, high explosive detonation and explosion, underwater explosion and water mitigation of explosive shocks, high velocity impact and penetration, and multiple scale simulations coupled with the molecular dynamics method. An SPH source code is provided and coupling of SPH and molecular dynamics is discussed for multiscale simulation, making this a friendly book for readers and SPH users.

The Material Point Method

The Material Point Method PDF Author: Xiong Zhang
Publisher: Academic Press
ISBN: 0124078559
Category : Technology & Engineering
Languages : en
Pages : 302

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Book Description
The Material Point Method: A Continuum-Based Particle Method for Extreme Loading Cases systematically introduces the theory, code design, and application of the material point method, covering subjects such as the spatial and temporal discretization of MPM, frequently-used strength models and equations of state of materials, contact algorithms in MPM, adaptive MPM, the hybrid/coupled material point finite element method, object-oriented programming of MPM, and the application of MPM in impact, explosion, and metal forming. Recent progresses are also stated in this monograph, including improvement of efficiency, memory storage, coupling/combination with the finite element method, the contact algorithm, and their application to problems. - Provides a user's guide and several numerical examples of the MPM3D-F90 code that can be downloaded from a website - Presents models that describe different types of material behaviors, with a focus on extreme events. - Includes applications of MPM and its extensions in extreme events, such as transient crack propagation, impact/penetration, blast, fluid-structure interaction, and biomechanical responses to extreme loading

Introduction to Permanent Plug and Abandonment of Wells

Introduction to Permanent Plug and Abandonment of Wells PDF Author: Mahmoud Khalifeh
Publisher: Springer Nature
ISBN: 3030399702
Category : Technology & Engineering
Languages : en
Pages : 285

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Book Description
This open access book offers a timely guide to challenges and current practices to permanently plug and abandon hydrocarbon wells. With a focus on offshore North Sea, it analyzes the process of plug and abandonment of hydrocarbon wells through the establishment of permanent well barriers. It provides the reader with extensive knowledge on the type of barriers, their functioning and verification. It then discusses plug and abandonment methodologies, analyzing different types of permanent plugging materials. Last, it describes some tests for verifying the integrity and functionality of installed permanent barriers. The book offers a comprehensive reference guide to well plugging and abandonment (P&A) and well integrity testing. The book also presents new technologies that have been proposed to be used in plugging and abandoning of wells, which might be game-changing technologies, but they are still in laboratory or testing level. Given its scope, it addresses students and researchers in both academia and industry. It also provides information for engineers who work in petroleum industry and should be familiarized with P&A of hydrocarbon wells to reduce the time of P&A by considering it during well planning and construction.