Hybrid Computer Simulation of Reactor Spatial Dynamics.

  • 0.81 MB
  • English
s.n , S.l
SeriesAtomic Energy of Canada Limited. AECL -- 5907
ContributionsHinds, H.W.
ID Numbers
Open LibraryOL21970606M

Title: Microsoft Word - Author: turso Created Date: 10/22/ Generation of results for any reactor simulation in considerable short times is a desirable achievement for computer code users [1]. Recent developments of high-performance computer equipment and.

Abstract. Much of the recent research on distillation control has been treating the question of control system configuration.

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Dual-composition control by controlling temperature differences and sums in a column, various ways of reducing interaction by use of flow ratios as manipulators, and use of decoupling strategies are examples on discussed structures.

A Hybrid Computer Simulation of Reactor Spatial Dynamics. book system approach is adopted to study the dynamic behavior of a controlled reverse flow reactor, where the occurrence of flow inversions is caused by a feedback control strategy. This book is a comprehensive description of hybrid plasma simulation models and will provide a very useful summary and guide to the vast literature on this topic.

It addresses researchers and graduate students knowledgeable about computational science and numerical analysis, and can be used in courses on astrophysical and space plasmas. Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to analyze and solve problems that involve fluid ers are used to perform the calculations required to simulate the free-stream flow of the fluid, and the interaction of the fluid (liquids and gases) with surfaces defined by boundary conditions.

In conventional atomic layer deposition (ALD), precursors are exposed sequentially to a substrate through short pulses while kept physically separated by intermediate purge steps. Spatial ALD (SALD) is a variation of ALD in which precursors are continuously supplied in different locations and kept apart by an inert gas region or zone.

Film growth is achieved by exposing the Cited by: 1. Sampson J.R., Dubreuil M. () A Computer Simulation System for Modeling Spatial Dynamics in Community Ecology. In: Rose J. (eds) Current Topics in Cybernetics and Systems. Springer, Berlin, HeidelbergAuthor: J.

Sampson, M. Dubreuil. Hybrid computer. DIGITAL MACHINE. __ _ PAGE 26 13 Hybrid computers have been used extensively in the past, primarily by the aerospace industry, tohelp facilitate what are basically large analog simulations.

In recent years interest has shifted from hybrid simulation to. 1 Niklas Juslin Computer simulation of H and He effects in fusion reactor materials, University of Helsinki,49 p.+appendices, University of Helsinki Report Series in Physics, HU­P­D, ISSN ­, ISBN ­­10­­6 (printed version), ISBN ­­10­­3 (PDF version).

Introduction 2 Chalmers University of Technology 1. Introduction • Nuclear reactor systems = complex multi-physics and multi-scale systems. Special modelling techniques required.

Description Hybrid Computer Simulation of Reactor Spatial Dynamics. FB2

• Increase interest in advanced computational methods for safety analyses of nuclear reactor systems. Advanced Modeling and Simulation for Nuclear Energy. Marius Stan (NE-1), Douglas Kothe (ORNL), Simulation: The process of running computer programs to reproduce, in a simplified way, the behavior of a system.

reactor simulation. Introduction. Good understanding and prediction of the nuclear reactor dynamics are essential parts of correct system simulation for overall nuclear power plant performance and safety during transients (Duderstadt and Hamilton, ).Previous studies have proposed generally simplified models to simulate the nuclear reactor by: 2.

simulation of a spatial turbulent planar jet. Performance is analyzed comparatively with hybrid cases and pure MPI cases, and pro ling is done. One 75 million point simulation is completed to demonstrate the feasibility of the hybrid parallelization of this program. The hybrid program shows a. In this way, the system dynamic behavior is reduced to the study of these coefficients and can be represented by a set of ordinary differential equations (ODEs), reducing the simulation computational burden.

In this paper, a test case involving three fuel pins of an innovative lead-cooled fast reactor has been set up and by: 4. Computer models of reactors help to bridge the gap between conception and operation of new nuclear facilities.

By using mathematical algorithms to process information—the reactor's geometry, composition, measured physical properties and targeted operating conditions—these models can predict how different reactors will function.

A HYBRID SYSTEM DYNAMICS-DISCRETE EVENT SIMULATION APPROACH TO SIMULATING THE MANUFACTURING ENTERPRISE by MAGDY HELAL Benha Higher Institute of Technology, Cited by:   CASL is DOE’s Nuclear Energy Innovation Hub, an effort to use computer modeling and simulation to advance reactor design and engineering.

It will receive up to $22 million this fiscal year and up to $25 million each of the next four years of the program. The program could be extended for another five years. This paper deals with simulation experiments on one type of nonlinear systems, CSTR reactor.

This simulations results in optimal working point, external linear model and they will be later used for choosing of an optimal working point and mainly for control purpose.

Keywords: Polymath, CSTR, steady-state, dynamics, Runge-Kutta’s Size: KB. Mechanical and Aerospace Engineering College of Engineering and Computer Science System Dynamics Modeling of Hybrid Renewable Energy Systems and Combined Heating and Power Generator Krishna R.

Reddi Syracuse University Weilin Li Syracuse University Bochao Wang Syracuse University Young B. Moon Syracuse University, [email protected] Vectorized quadrant model simulation and spatial control of Advanced Heavy Water Reactor Swetha R Kumar#1 Department of ICE, PSG College of Technology, Coimbatore, Tamilnadu, India1 1 [email protected] Abstract—This paper describes a method to develop a vectorized nonlinear quadrant model and controller design to achieve spatial stability of Advanced Heavy.

In this paper we present a hybrid simulation approach, that makes use of reduced 1D-models using e.g., the NEURON simulator—which couples to fully resolved models for simulating cellular and sub-cellular dynamics, including the detailed three-dimensional morphology of Cited by: 6.

research aimed to investigate the accuracy of hybrid computer calculation models in a real microscale urban space. 2 Method It was investigated the accuracy of results from the comparison between measurements of an actual urban space using the impulse response technique and a computer simulation of the same space using Odeon v13 Size: 1MB.

The U.S. Department of Energy's Office of Scientific and Technical InformationAuthor: Robert M. Edwards. Hybrid2 is a combined probabilistic/time series model designed to study a wide variety of hybrid power systems.

The types of hybrid systems that can be modeled include hose with one or more diesel generators of different types (up to 7), up to wind turbines of 10 different types. Advanced nuclear reactors and nuclear fuel cycles promise to further improve passive safety, fuel utilization, and environmental impacts of this key energy source.

This seminar will discuss open, reproducible, computational approaches to modeling and simulation of the multiple coupled physics and scales inherent to these systems.

Multiphase Fluid Dynamics computer program [14] for the simulation and prediction of combined mass, momentum and energy transfer processes in a variety of single-phase [15] and multiphase/multiscale systems, including gas/liquid [16, 17], solid/liquid [18, 19] and gas/solid/liquid [14] flows.

It uses two-phase k-ε models ofFile Size: 1MB. Real‐time hybrid simulation (RTHS) has increasingly been recognized as a powerful methodology to evaluate structural components and systems under realistic operating conditions.

It is a cost effective approach compared with large scale shake table testing. Moradi () proposed a hybrid simulation framework based on system dynamics (SD) and discrete event simulation (DES) which can take into account both the continuous and operational variables affecting the performance of construction projects.

Details Hybrid Computer Simulation of Reactor Spatial Dynamics. FB2

modelling and simulation of reactors which are used in the chemical and tanning technology. Material and energy balances are the key issues of mathematical models of chemical reactors and processes. The combination with chemical kinetics and transport effects an intellectual basis for chemical reactor design can be obtained.

Engineering Analysis with NX Advanced Simulation [P. Goncharov, I. Artamonov, T. Khalitov, ] on *FREE* shipping on qualifying offers. Engineering Analysis /5(7).The on–hand book teaches the reader the modelling of dynamic chemical engineering processes by the combination of simplified fundamental theory and direct hands–on computer simulation.

Software on [external URL] provides several examples of process equipment models, e.g. reactors and extraction columns, written in Berkley Madonna, a.Shifting the computational work ahead of the reactor simulation like this allows the fidelity to be improved without sacrificing runtime computational cost.

This dissertation describes a method that attempts to maximize the fidelity increase per unit time invested during this precomputation : Cem Bagdatlioglu.