Index Catalog // ScholarsArchive@OSU

Monte Carlo simulation of radiation heat transfer in a three-dimensional enclosure containing a circular cylinder

Creator:: Hong, Seung-Ho
Resource Type:: Masters Thesis
Full Text:: Monte Carlo method in Radiative Heat Transfer Analysis 5 2.3 Advantages and Disadvantages of Monte

Application of Advanced Hybrid Transport Methods for Nonproliferation Test Problems

Creator:: Somasundaram, Elanchezhian
Abstract:: The implementation of advanced hybrid (Monte Carlo/Deterministic) transport methods for realistic test problems has been a challenge due to the overhead efforts associated with interfacing a solution generated by a deterministic solver with a Monte Carlo based radiation transport code. In this work, with the help of Transpire, Inc., a...
Resource Type:: Dissertation

A "mildly inconsistent" method for accelerating upstream corner balance transport

Creator:: Gulick, John C.
Abstract:: A new method for accelerating the Upstream Corner Balance (UCB) discretization of the equation of transfer is introduced. The inconsistent acceleration equations for the UCB discretization are derived by applying the "Modified 4-Step" diffusion synthetic acceleration technique not to the UCB discretization, but instead to the simple corner balance (SCB)...
Resource Type:: Masters Thesis
Full Text:: . Radiation hydrodynamics is described mathematically by the radiative transfer equations, and constitutive

Extending the applicability of implicit Monte Carlo Diffusion : frequency dependence and variance reduction using the difference formulation

Creator:: Cleveland, Mathew A.
Abstract:: The intent of this work is to extend Implicit Monte Carlo Diffusion (IMD)[Gen. 2001] to account for frequency dependence and to incorporate the difference formulation[Szo. 2005] as a source manipulation variance reduction technique. This work shows the derivation of the probabilities and the associated proofs which govern the frequency dependent...
Resource Type:: Masters Thesis
Full Text:: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.2 Radiative Transfer Preliminaries

High Order Finite Elements SN Transport in X-Y Geometry on Meshes with Curved Surfaces in the Thick Diffusion Limit

Creator:: Woods, Douglas N.
Abstract:: The high-order finite element S[subscript N] transport equations are solved on several test problems to investigate the behavior of the discretization method on meshes with curved edges in X-Y geometry. Simpler problems ensured the correct implementation of MFEM, the general fi nite element library employed. A convergence study using the...
Resource Type:: Masters Thesis

The iterative thermal emission Monte Carlo method for thermal radiative transfer

Creator:: Long, Alex R.
Abstract:: For over 30 years, the Implicit Monte Carlo (IMC) method has been used to solve challenging problems in thermal radiative transfer. These problems are typically optically thick and di ffusive, as a consequence of the high degree of "pseudo-scattering" introduced to model the absorption and reemission of photons from a...
Resource Type:: Masters Thesis
Full Text:: Monte Carlo Method for Thermal Radiative Transfer. Abstract approved: Todd S. Palmer For over 30

Modeled and observed longwave radiances at the top of the atmosphere

Creator:: Stone, Kenneth A.
Abstract:: One method of estimating the longwave radiative heating of the atmosphere is to combine satellite observations of emitted radiances with those computed from synoptic temperature and humidity profiles. Modeled and observed radiances are brought into agreement by altering cloud properties or even by adjusting the temperature and water vapor profiles....
Resource Type:: Masters Thesis
Full Text:: radiative transfer model typical of those found in general circulation models. Calculated radiances are

Radiation from an infinite plane to parallel rows of infinitely long tubes - hottel extended

Creator:: Qualey, Douglas L.
Abstract:: A two-dimensional model for predicting the rate of radiation heat transfer for the interior of an industrial furnace is described. The model is two-dimensional due to the assumptions of the heat source as an infinite radiating plane and the heat sink as rows of parallel tubes that are both infinite...
Resource Type:: Masters Thesis
Full Text:: -dimensional model for predicting the rate of radiation heat transfer for the interior of an industrial

Modeling and application of multispectral oceanic sun glint observations

Creator:: Luderer, Gunnar
Abstract:: The atmospheric radiative transfer model MOCARAT was developed and is presented in this thesis. MOCARAT employs a Monte Carlo Technique for the accurate modeling of band radiances and reflectances in an atmospheric system with a ruffled ocean surface as a lower boundary. The atmospheric radiative transfer is modeled with consideration...
Resource Type:: Masters Thesis
Full Text:: radiative transfer model MOCARAT was developed and is presented in this thesis. MOCARAT employs a Monte

Radiative heat transfer in combustion applications : parallel efficiencies of two gas models, turbulent radiation interactions in particulate laden flows, and coarse mesh finite difference acceleration for improved temporal accuracy

Creator:: Cleveland, Mathew A.
Abstract:: We investigate several aspects of the numerical solution of the radiative transfer equation in the context of coal combustion: the parallel efficiency of two commonly used opacity models, the sensitivity of turbulent radiation interaction (TRI) effects to the presence of coal particulate, and an improvement of the order of temporal...
Resource Type:: Dissertation
Full Text:: the radiative transfer equation in the context of coal combustion: the parallel efficiency of two

ScholarsArchive@OSU

Monte Carlo simulation of radiation heat transfer in a three-dimensional enclosure containing a circular cylinder

Application of Advanced Hybrid Transport Methods for Nonproliferation Test Problems

A "mildly inconsistent" method for accelerating upstream corner balance transport

Extending the applicability of implicit Monte Carlo Diffusion : frequency dependence and variance reduction using the difference formulation

High Order Finite Elements SN Transport in X-Y Geometry on Meshes with Curved Surfaces in the Thick Diffusion Limit

The iterative thermal emission Monte Carlo method for thermal radiative transfer

Modeled and observed longwave radiances at the top of the atmosphere

Radiation from an infinite plane to parallel rows of infinitely long tubes - hottel extended

Modeling and application of multispectral oceanic sun glint observations

Radiative heat transfer in combustion applications : parallel efficiencies of two gas models, turbulent radiation interactions in particulate laden flows, and coarse mesh finite difference acceleration for improved temporal accuracy

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