Index Catalog // ScholarsArchive@OSU

Progress in the development of a portable phoswich-style skin contamination dosimeter

Creator:: Tang, Matthew M.
Abstract:: The Code of Federal Regulations (10CFR20.1201) mandates occupational dose limits to the shallow, lens and deep tissue layers. The NRC-accepted procedure of estimating dose to these layers from contamination events is laborious. The current work aims to further the development of a portable phoswich-style skin dosimeter that will operate in...
Resource Type:: Masters Thesis
Full Text:: Skin Contamination Dosimeter AN ABSTRACT OF THE THESIS OF Matthew M. Tang for the degree

Eye Lens Doses from Oblique Sources

Creator:: Trakowski, Ian M.
Abstract:: Since the International Commission on Radiation Protection (ICRP) recommended a revision to the eye lens dose limits in ICRP Publication 118 (Stewart, 2012) the radiation protection community has conducted many new studies related to eye dosimetry. The recommended reduction of eye lens dose limits may result in the reduction of...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Ian M. Trakowski for the

Retrospective thermal neutron fluence determination using lithium-ion mobile telephone batteries

Creator:: Dorrell, Nick J.
Abstract:: Fortuitous dosimeters are radiosensitive objects carried by an individual who was exposed to radiation. These objects can be analyzed some time after exposure and the results can be used to aid in calculating radiation fields and doses received by individuals. Items that make good fortuitous dosimeters are those that are...
Resource Type:: Masters Thesis
Full Text:: approved: David M. Hamby Fortuitous dosimeters are radiosensitive objects carried by an

Human Eye Dosimetry: Air Gap Analysis by Shield Placement and Photon Energy

Creator:: Herrera, Joshua P.
Abstract:: When the ICRP updated their recommended limits for eye dose, they ignited a renewed interest in eye dosimetry. Especially, how the updated eye dose estimates affect current regulations and what that would mean to a radiation worker. Radiation workers are commonly required to wear leaded eyeglasses to reduce their dose...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________________________ David M. Hamby Abstract: When the ICRP updated their recommended limits for eye dose, they

Use of CR-39 for nuclear criticality accident dosimetry and high neutron dose monitoring

Creator:: Tai, Lydia I.
Abstract:: CR-39 foils were irradiated as part of nuclear accident dosimetry experiments using the Godiva reactor at the Nevada National Security Site and the Caliban and Prospero reactors at the Valduc Centre for Nuclear Studies in France. The irradiated foils were chemically etched using the standard Lawrence Livermore National Laboratory process...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ____________________________________________________ David M. Hamby CR-39

Beta-particle backscatter factors and energy-absorption scaling factors for use with dose-point kernels

Creator:: Mangini, Colby D.
Abstract:: 'Hot particle' skin dosimetry calculations are commonly performed using homogeneous dose-point kernels (DPK) in conjunction with scaling and backscatter models to account for non-homogeneous geometries. A new scaling model for determining the actual DPK for beta-particles transmitted by a high-Z source material has been developed. The model is based on...
Resource Type:: Dissertation
Full Text:: for Use with Dose-Point Kernels Abstract approved: David M. Hamby

Neutronic Analysis of a Liquid Metal Fast Reactor Experiment in the Large-I Position of the Advanced Test Reactor

Creator:: Lilley, Benjamin C.
Abstract:: Material testing experiments are needed to enable the next generation of nuclear fission reactors. Concluding in 2009, the Boosted Fast Flux Loop (BFFL) project was devised as a way to test fast reactor materials and fuels in the Advanced Test Reactor (ATR), however the experiment location it used is now...
Resource Type:: Masters Thesis
Full Text:: . BIONDO, K. HUFF, K. KIESLING, A. SCOPATZ, R. CARLSEN, A. DAVIS, M. GIDDEN, T. HAINES, J. HOWLAND, ET AL

A Study of Artificial Neural Networks for the Solution of Multi-group Slab Geometry Discrete Ordinates Transport Problems with Material Heterogeneity

Creator:: Kumar, Ravi
Abstract:: In this thesis, we expand the scope of a previously introduced Artificial Neural Network (ANN) method to solve the slab-geometry discrete ordinates (S$_N$) neutron transport equations. Specifically, we extend the method to energy-dependent (multi-group) fixed source problems involving heterogeneous media and more general boundary conditions - vacuum and incident flux...
Resource Type:: Masters Thesis
Full Text:: the weight, wm, and µm product 1∫ −1 µdµ ≈ N∑ m=1 µm · wm (28) Also, the weights sum to 2 N∑ m=1

Scaling analysis of the Direct Reactor Auxiliary Cooling System for Gas-cooled Fast Reactors during a Depressurized Loss of Forced Convection Event

Creator:: Blake, Grant C.
Abstract:: The Direct Reactor Auxiliary Cooling System (DRACS) is a passive safety system capable of removing decay heat directly from the reactor core. Its modularity makes it scalable for use in reactors with various power levels. Work has previously been completed to support inclusion of the DRACS in liquid metal reactors...
Resource Type:: Masters Thesis

Vibration Analysis of Advanced Test Reactor Miniplate Hydraulic Test in the OSU HMFTF

Creator:: Latimer, Griffen D.
Abstract:: Current research on the topic of advanced reactor fuel types include the use of ultrahigh density Uranium-Molybdenum fuels, towards their use in high-performance research reactors. These reactors operate with high power densities, and the increased cooling requirements therefore place high relevance on the fluid-structure interaction with these fuel elements; therefore...
Resource Type:: Masters Thesis
Full Text:: 28: Frequency plot of in-phase mode for m = 1 .................................................... 53

ScholarsArchive@OSU

Progress in the development of a portable phoswich-style skin contamination dosimeter

Eye Lens Doses from Oblique Sources

Retrospective thermal neutron fluence determination using lithium-ion mobile telephone batteries

Human Eye Dosimetry: Air Gap Analysis by Shield Placement and Photon Energy

Use of CR-39 for nuclear criticality accident dosimetry and high neutron dose monitoring

Beta-particle backscatter factors and energy-absorption scaling factors for use with dose-point kernels

Neutronic Analysis of a Liquid Metal Fast Reactor Experiment in the Large-I Position of the Advanced Test Reactor

A Study of Artificial Neural Networks for the Solution of Multi-group Slab Geometry Discrete Ordinates Transport Problems with Material Heterogeneity

Scaling analysis of the Direct Reactor Auxiliary Cooling System for Gas-cooled Fast Reactors during a Depressurized Loss of Forced Convection Event

Vibration Analysis of Advanced Test Reactor Miniplate Hydraulic Test in the OSU HMFTF

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