Two-Dimensional Computational Modeling and Simulation of Wood Particles Pyrolysis in a Fixed Bed Reactor

2008 ◽  
Vol 180 (5) ◽  
pp. 833-853 ◽  
Author(s):  
Chekib Ghabi ◽  
Hmaied Benticha ◽  
Mohamed Sassi
Keyword(s):  
Computational Modeling ◽  
Modeling And Simulation ◽  
Fixed Bed ◽  
Fixed Bed Reactor ◽  
Two Dimensional ◽  
Wood Particles ◽  
Computational Modeling And Simulation

Computational Modeling and Simulation of Linear Accelerator Performance for General Radiotherapy

2019 ◽  
Vol 23 (2) ◽  
Author(s):  
Andelson Berondo ◽  
◽  
Lilian Rodriguez ◽  
Alwielland Bello ◽  
◽  
...  
Keyword(s):  
Monte Carlo ◽  
Computational Modeling ◽  
Modeling And Simulation ◽  
Linear Accelerator ◽  
Depth Dose ◽  
Computational Modeling And Simulation

linear accelerator, depth-dose, Geant4, Monte Carlo

Overview of Computational Modeling and Simulation

2019 ◽  
pp. 39-47
Author(s):  
Roland R. Mielke ◽  
James F. Leathrum ◽  
Andrew J. Collins ◽  
Michel Albert Audette
Keyword(s):  
Computational Modeling ◽  
Modeling And Simulation ◽  
Computational Modeling And Simulation

scholarly journals Agent-Based Modeling for Archaeologists: Part 1 of 3

2019 ◽  
Author(s):  
Iza Romanowska ◽  
Stefani Crabtree ◽  
Kathryn Harris ◽  
Benjamin Davies
Keyword(s):  
Computational Modeling ◽  
Modeling And Simulation ◽  
Computer Science ◽  
Social Processes ◽  
Agent Based Modeling ◽  
Archaeological Research ◽  
Formal Models ◽  
Agent Based ◽  
Global Patterns ◽  
Computational Modeling And Simulation

Formal models of past human societies informed by archaeological research have a high potential for shaping some of the most topical current debates. Agent-based models, which emphasize how actions by individuals combine to produce global patterns, provide a convenient framework for developing quantitative models of historical social processes. However, being derived from computer science, the method remains largely specialized in archaeology. In this paper and the associated tutorial, we provide a jargon-free introduction to the technique, its potential and limits as well as its diverse applications in archaeology and beyond. We discuss the epistemological rationale of using computational modeling and simulation, classify types of models, and give an overview of the main concepts behind agent-based modeling.

scholarly journals Two-Dimensional Modeling of the Oxidative Coupling of Methane in a Fixed Bed Reactor: A Comparison among Different Catalysts

2017 ◽  
Vol 21 (3) ◽  
pp. 77-99 ◽  
Author(s):  
Salamah Manundawee ◽  
Amornchai Arpornwichanop ◽  
Suttichai Assabumrungrat ◽  
Wisitsree Wiyaratn
Keyword(s):  
Oxidative Coupling ◽  
Fixed Bed ◽  
Oxidative Coupling Of Methane ◽  
Fixed Bed Reactor ◽  
Two Dimensional ◽  
Dimensional Modeling

scholarly journals Computational Modeling and Simulation to increase Laser Shooting Accuracy of Autonomous LEO Trackers

2021 ◽  
Author(s):  
Jose M. Gambi ◽  
Maria L. Garcia del Pino ◽  
Jonathan Mosser ◽  
Ewa B. Weinmüller
Keyword(s):  
Computational Modeling ◽  
Modeling And Simulation ◽  
Computational Procedure ◽  
Laser Beams ◽  
Medium Size ◽  
The Earth ◽  
Computational Modeling And Simulation ◽  
Current Accuracy ◽  
Laser Trackers

In this paper, we introduce a computational procedure that enables autonomous LEO laser trackers endowed with INSs to increase the current accuracy when shooting at middle distant medium-size LEO debris targets. The code is designed for the trackers to throw the targets into the Atmosphere by means of ablations. In case that the targets are eclipsed to the trackers by the Earth, the motions of the trackers and targets are modeled by equations that contain post-Newtonian terms accounting for the curvature of space. Otherwise, when the approaching targets become visible for the trackers, we additionally use more accurate equations, which allow to account for the local bending of the laser beams aimed at the targets. We observe that under certain circumstances the correct shooting configurations that allow to safely and efficiently shoot down the targets, differ from the current estimations by distances that may be larger than the size of many targets. In short, this procedure enables to estimate the optimal shooting instants for any middle distant medium-size LEO debris target.

Optimal Design, Modeling and Simulation of an Ethanol Steam Reforming Reactor

2009 ◽  
Vol 7 (1) ◽  
Author(s):  
Luis E Arteaga ◽  
Luis M Peralta ◽  
Yannay Casas ◽  
Daikenel Castro
Keyword(s):  
Hydrogen Production ◽  
Modeling And Simulation ◽  
Design Patterns ◽  
Plug Flow ◽  
Fixed Bed ◽  
Cell System ◽  
Fixed Bed Reactor ◽  
Effect Of Temperature ◽  
Ethanol Conversion ◽  
Renewable Hydrogen

The optimum design, modeling and simulation of a fixed bed multi-tube reformer for the renewable hydrogen production are carried out in the present paper. The analogies between plug flow model and a fixed bed reactor are used as design patterns. The steam reformer is designed to produce enough hydrogen to feed a 200kW fuel cell system (>2.19molH/s) and considering 85% of fuel utilization in the cell electrodes. The reactor prototype is optimized and then analyzed using a multiphysics and axisymmetric model, implemented on FEMLABM(R) where the differential mass balance by convection-diffusion and the energy balance for convection-conduction are solved. The temperature profile is controlled to maximize hydrogen production. The catalyst bed internal profiles and the effect of temperature on ethanol conversion and carbon monoxide production are discussed as well.

Sign in / Sign up

Export Citation Format

Share Document