Index Catalog // ScholarsArchive@OSU

A simulated two-group method for computing boiling water reactor power distributions

Creator:: Hatteberg, Ronald Leonard
Abstract:: A computer code capable of modeling the burnup dependent static behavior of a boiling water reactor was developed. The code calculates three-dimensional quarter core power distributions using a simulated two-group diffusion theory model. Thermal-hydraulic calculations account for the interaction between power, coolant flow, and void fraction distributions. Cross sections are...
Resource Type:: Masters Thesis

One and two dimensional space-energy flux synthesis with spatially discontinuous trial functions

Creator:: Olson, Willard Orvin
Abstract:: The development of nuclear reactors as an energy source requires a substantial investment in capital and effort. This development depends heavily on accurate calculational methods. Space-energy flux synthesis, also variously called the spectral synthesis method, modal method, and overlapping group method, is one possible method. In this method the energy...
Resource Type:: Dissertation

High speed motion neutron radiography

Creator:: Bossi, Richard Henry
Abstract:: A system to perform neutron radiographic analysis of dynamic events taking place over the order of several milliseconds has been developed at Oregon State University. The design consists of a TRIGA reactor capable of pulsing to 3000 MW peak power, a neutron beam collimator with an L/D of about 30:1,...
Resource Type:: Dissertation

A study of the behavior of actinides continuously recycled in a hard spectrum reactor

Creator:: Schofield, Paul Edwin
Resource Type:: Masters Thesis

High speed motion neutron radiography of two-phase flow

Creator:: Wang, Shou-Kong Lancelot
Abstract:: Current research in the area of two-phase flow utilizes a wide variety of sensing devices, but some limitations exist on the information which can be obtained. Neutron radiography is a feasible alternative to "see" the two-phase flow. A system to perform neutron radiographic analysis of dynamic events which occur on...
Resource Type:: Masters Thesis

A comparison of iterative methods for the solution of elliptic partial differential equations, particularly the neutron diffusion equation

Creator:: Schwinkendorf, Kevin N.
Abstract:: Two new concepts have been explored in solving the neutron diffusion equation in one and two dimensions. At the present time, the diffusion equation is solved using source iterations. These iterations are performed in a mathematical form which has a great deal of physical significance. Specifically, the neutron production term...
Resource Type:: Masters Thesis

Hard spectrum reactor design criterion for actinide utilization

Creator:: Prichard, Andrew W.
Abstract:: The United States nuclear industry is under significant public pressure to close the nuclear fuel cycle. Closing the fuel cycle will require that nuclear waste, fission products and transuranics, except plutonium (actinides), be disposed of by permanent burial. The actinides can be buried with the fission products, but this will...
Resource Type:: Masters Thesis

Neutron shadow holography: a feasibility study

Creator:: Coe, Douglas H.
Abstract:: Neutron shadow holography is a method of obtaining a three-dimensional neutron radiograph of an object using a Fresnel zone plate as an encoding aperture. The object is reconstructed by passing laser light through a miniature copy of the radiograph. The technique has been applied extensively with X-rays and gamma rays...
Resource Type:: Masters Thesis

A comparison of three coarse-mesh nodal methods for boiling water reactor analysis

Creator:: Cho, Byung-Oh
Abstract:: Computer codes for versions of STORM, capable of calculating power distributions in a three-dimensional quarter-core of a boiling water reactor, were developed by using both a modified one-group and two-group diffusion theory model with several different power calculation schemes. Several numerical examples that demonstrate the high efficiency of the coarse-mesh...
Resource Type:: Masters Thesis

A two-group study on the gadolinium particle depletion in light water reactor fuel rods

Creator:: Lee, Chungchan
Abstract:: The effect of gadolinia particles on the assembly criticality of a light water reactor was investigated using two 2-group models. The particle effect was calculated by comparing the criticalities of two fuel assemblies, each containing one gadolinia-poisoned rod. For purposes of comparison, both rods contained an equal quantity of gadolinia,...
Resource Type:: Dissertation

ScholarsArchive@OSU

A simulated two-group method for computing boiling water reactor power distributions

One and two dimensional space-energy flux synthesis with spatially discontinuous trial functions

High speed motion neutron radiography

A study of the behavior of actinides continuously recycled in a hard spectrum reactor

High speed motion neutron radiography of two-phase flow

A comparison of iterative methods for the solution of elliptic partial differential equations, particularly the neutron diffusion equation

Hard spectrum reactor design criterion for actinide utilization

Neutron shadow holography: a feasibility study

A comparison of three coarse-mesh nodal methods for boiling water reactor analysis

A two-group study on the gadolinium particle depletion in light water reactor fuel rods

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