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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"Chemically reacting"”.
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Chemically Reacting Boundary-Layer Over a Vaporizing Surface
Made available in DSpace on 2014-12-10T23:36:43Z (GMT). No. of bitstreams: 1 7309967.pdf: 9234167 bytes, checksum: 4c65291ea957b540f93eb4678d234742 (MD5) Previous issue date: 1972
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Multiscale computational simulation of multidimensional chemically reacting flow over washcoated heterogeneous catalysts
… distinct advantages. They are cost effective, chemically inert, are capable of operating at high temperatures, and integrate well with internal catalysts. In this work, a particular design for a ceramic microchannel reactor is evaluated. A 3D computational fluid dynamics model with conjugate …
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Physicochemical Interactions at Interfaces: Mass and Charge Transfer at Chemically Reacting Interfaces
… poor mass transport of the reactant gas to their reacting electrodes. Taken together, these studies aim to demonstrate how fundamental interfacial engineering principles can be applied to enhance a variety of chemical processes involving multiphase aqueous reactions. As a consequence of the …
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Numerical Methods for Simulation and Optimization of Chemically Reacting Flows in Catalytic Monoliths
The aim of this work is to develop numerical methods and software for simulation and optimization of complex processes in catalytic monoliths to achieve better understanding of the physic-chemical processes in catalytic reactors. The fluid dynamics are modelled by the boundary layer equations …
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A Parallel Multiblock Structured Grid Method with Automated Interblocked Unstructured Grids for Chemically Reacting Flows.
North Carolina State University Theses Mechanical & Aerospace Engineering.
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Unsteady hydromagnetic chemically reacting mixed convection MHD flow over a permeable stretching sheet embedded in a porous medium with thermal radiation and heat source/sink
The unsteady hydromagnetic chemically reacting mixed convection MHD ow over a permeable stretching sheet embedded in a porous medium with thermal radiation and heat source/sink is investigated numerically. The original partial di erential equations are converted into ordinary di erential equations …
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A master equation approach to nonlinear optics and chemical reactions
… concentration fluctuations and correlations in chemically reacting systems, using the stochastic master equation approach. The time dependent fluctuations and spatial correlations are discussed for a space dependent model of a linear chemically reacting system. These results are compared with …
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Parallel Multigrid Method for Adaptive Finite Elements with Application to 3D Flow Problems
… The equations under consideration arise from chemically reacting flows. A focal point is the analysis of a finite element discretization with stabilized finite elements of degree two. Aspects of error estimation, solution techniques and mesh adaptivity are discussed with regard to the …
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Visualization of the Budding Yeast Cell Cycle
… of budding yeast is controlled by a complex chemically reacting network of a large group of species, including mRNAs and proteins. Many mathematical models have been proposed to unravel its molecular mechanism. However, it is hard for people with less training to visually interpret the …
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A consumer guide to the benefits and obstacles of transitioning to the hydrogen fuel cell
… unlimited amounts of non-polluting power by chemically reacting hydrogen, the most abundant element in the universe, with oxygen without combustion. Our analysis indicates that fuel cells are indeed a promising technology still under development. Our analysis concludes that there are …
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Combustion Simulations Using Graphic Processing Units
… platform to solve complex problems involving chemically reacting flows. In the present study, computer programs for combustion simulations with detailed chemical kinetic mechanisms were compiled in the Compute Unified Device Architecture (CUDA) language for NVIDIA GPU architecture. Ignition …
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Three-dimensional nonequilibrium viscous shock-layer flow over the space shuttle orbiter
… Computational solutions have been obtained for chemically reacting flowfields over the entire windward surface of the space shuttle orbiter at high angles-of-attack. Boundary conditions studied include noncatalytic wall, finite-catalytic wall, fully-catalytic wall, and nonequilibrium slip …
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High Order Explicit Semi-Lagrangian Method for the Solution of Lagrangian Transport and Stochastic Differential Equations
… probabilistic models used for the simulation of chemically reacting turbulent flows or particle-laden flows. Motivated by the high-fidelity simulation of chemically, reacting, turbulent shear layers in propulsion systems, this thesis also reports on the stability of the interaction of two cold …
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Stochastic Simulation Methods for Solving Systems with Multi-State Species
… including simplified mathematical models and chemically reacting networks which are simulated stochastically.
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Design and calibration of a high temperature continuous run electric arc wind tunnel
… studies and (3) Qualitative studies of chemically reacting gas flows.
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Computer modelling and analysis of particulate laden gas flows
… performed for a particulate phase comprising non-reacting particles and a gaseous phase comprising chemically reacting gases. Both exothermic and endothermic reactions are considered. The effects of thermal radiation, particle solidification, chemical reactions and heat transfer on the two-phase …
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SIMULATION OF COMPLEX MULTIPHASE, MULTI-COMPONENT, REACTING FLOWS IN POROUS MEDIA
… the modelling of multi-component, multiphase chemically reacting flows in porous media, with particular application to the spontaneous combustion of coal and the extraction of coalbed methane. These two related problems involve complex multiphase, multi-component flow in a porous medium. …
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Modeling and Simulation of High-Density Spray Combustion
… framework for accounting for real gas effects in chemically reacting flow. It verifies the need for this complicated solution by comparing the simulations of standard flows with real gas and ideal gas models. The method draws from existing kinetic model resources and the relation of real gas …
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