A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments PDF Download
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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.
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.
Author: Alexander Vorobyev
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
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.
Author: Songbai Cheng
Publisher: Frontiers Media SA
ISBN: 2832516769
Category : Technology & Engineering
Languages : en
Pages : 244
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Book Description
Author: Wookey Lee
Publisher: Springer
ISBN: 9811306958
Category : Technology & Engineering
Languages : en
Pages : 214
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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.
Author: Schulenberg, Thomas
Publisher: KIT Scientific Publishing
ISBN: 3731502437
Category :
Languages : en
Pages : 80
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Book Description
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.
Author: Liang Shen
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
As a branch of CFD, Meshless method called 'Smoothed Particle Hydrodynamics' (SPH) has the advantage to deal with complicated free surface flows and some other attractive features. In this thesis, a robust, accurate and efficient SPH code was developed to simulate the 3D nonlinear free surface flows. MPI (message passing interface) was adopted for parallelization. Approximate solid ghost particles were proposed to simulate general 3D geometry on solid boundaries. Local pressure evaluation method was used to calculate response loads on structure and to simulate fully coupling motion between solid and liquid. Some other techniques were developed and adopted in our code in order to construct a more accurate and stable simulation. For verification and validation of SPH method, one-phase and two-phase dam break and wedge entry were tested with discussion of solid boundary, pressure evaluation method and variable smoothed length. Subsequently, the method was used to study 2D and 3D sloshing and flooding problems. Comparisons were carried out between experimental and other numerical results. The features of the phenomenon for instance in terms of wave height, structural loads and large deformation of free surface were analyzed and discussed. Key words: SPH (Smoothed Particle Hydrodynamics), three dimension, nonlinear, free surface, sloshing, flooding.
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.
Author: Harold Trease
Publisher: Springer
ISBN:
Category : Mathematics
Languages : en
Pages : 348
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Book Description
