# Browse Dissertations and Theses - Nuclear, Plasma, and Radiological Engineering by Title

• (2001)
Results suggest that preferential sputtering of deuterium atoms over lithium atoms in D-treated samples significantly decrease the absolute sputtering yield of lithium by at least 60% in the case of He+ bombardment. The ...

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• (1987)
In a well-defined experimental system the neutralization of polonium-218 ions was investigated as a function of the physical and chemical properties of the controlled composition atmosphere. The mobilities of ${\rm Po}\sp+$ ...

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• (2015-11-10)
The effect of helium in iron is an important issue in nuclear systems, as iron and iron alloys (steels) are the primary materials used for structural elements. Helium is known to cause embrittlement and decrease fatigue ...

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• (1990)
Energy spectra of charged-fusion products escaping laser-imploded deuterium-tritium filled glass microballoon targets were measured with a time-of-flight (TOF) spectrometer. The TOF spectrometer was carefully designed, ...

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• (2004)
Evidence of significant dislocation formation has been confirmed with high-resolution electron microscopy (HREM) for the 1200A Nb film. The HREM images were used to estimate a dislocation density of 1012 cm-2 after repeated ...

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• (1994)
Finite difference techniques are used to solve a variety of differential equations. For the neutron diffusion equation, the typical local truncation error for standard finite difference approximation is on the order of the ...

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• (1987)
Linear and nonlinear stability analyses of density-wave oscillations in uniformly and non-uniformly heated channels are reported. The two-phase flow is represented by the drift flux model. A constant characteristic velocity ...

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• (2007)
The simultaneous process of deposition, evaporation, and sputtering of lithium was modeled and corroborated with experimental observations such that no net deposition on the collector optic was measured and showed the model ...

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• (1980)
Coarse mesh numerical methods, based on the use of a local Green's function, are developed and applied to the numerical solution of heat conduction and incompressible fluid flow problems. In the solution of heat conduction ...

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• (1997)
The phenomenon of ion-induced sputtering is integral to many applications. In magnetically confined fusion this sputtering is important for both the lifetime of plasma facing components as well as contamination of the ...

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• (1984)
Monte Carlo computer codes were employed to calculate depth doses for parallel beams of low-energy, monoenergetic photons incident on slab and spherical phantoms. Photon energies ranged from 10 to 150 keV. Phantom compositions ...

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• (2007)
Preliminary validation of the model is carried out by simulating a free stream entering the porous medium under consideration. Simulations are carried out for 75% and 95% porosities. Different inlet turbulence intensities ...

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• (1995)
Mechanical and magnetic property changes due to neutron irradiation and heat treatment were investigated for the sake of developing a nondestructive method of monitoring nuclear pressure vessel steel embrittlement during ...

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• (2013-05-24)
For decades, the semiconductor industry has followed a trend known as Moore’s Law by doubling the number of transistors that can fit on a given area every two years. Moore’s Law has been obeyed with remarkable reliability. ...

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• (1998)
In this work, we have applied a systematic calibration, validation and application procedure based on the methodology of mathematical modeling to international thermonuclear experimental reactor (ITER) ignition studies. ...

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• (1976)

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• (1971)

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• (1992)
The problem of measuring the gamma heating in a mixed DT neutron and gamma ray environment was explored. A new detector technique was developed to make this measurement. Gamma heating measurements were made in a low-Z ...

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• (1973)

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• (1967)

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