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Fatigue, fracture, and life prediction criteria for composite materials in magnetsWong, Frank Michael Gerard January 1990 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1990. / Includes bibliographical references (leaves 173-179). / by Frank Michael Gerard Wong. / Ph.D.
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Effects of variation of uranium enrichment on nuclear submarine reactor designIppolito, Thomas Dominic January 1990 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1990. / Includes bibliographical references (leaves 181-186). / by Thomas Dominic Ippolito, Jr. / M.S.
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The use of bilinearly weighted cross sections for few-group transient analysisKim, Myung Hyun January 1988 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1988. / Includes bibliographical references. / by Myung Hyun Kim. / Ph.D.
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Reactivity estimation using delayed neutron precursor smoothingZerkle, Michael L January 1989 (has links)
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1989. / Includes bibliographical references (leaves 76-77). / by Michael Leigh Zerkle. / M.S.
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Systematic derivation, from 3-D nodal equations, of simpler models for describing reactor transientsDias, Antonio Fernando Vilhena January 1987 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1987. / Bibliography: leaf 94. / by Antonio Fernando Vilhena Dias. / Ph.D.
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Economic evaluation of fissile fuel production using resistive magnet tokamaksDoyle, James Coleman January 1985 (has links)
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1985. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE. / Includes bibliographies. / by James Coleman Doyle, Jr. / Sc.D.
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The quasi-static nodal method for reactor core kineticsTaiwo, Temitope Afolabi January 1985 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1985. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE. / Bibliography: leaves 201-204. / by Temitope Afolabi Taiwo. / Ph.D.
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A core reload pattern and composition optimzation methodology for pressurized water reactorsSauer, Ildo Luis January 1985 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1985. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE. / Includes bibliographical references. / by Ildo Luis Sauer. / Ph.D.
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A multiple-loop primary system model for pressurized water reactor plant sensor validationKao, Shih-Ping January 1984 (has links)
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 1984. / MICROFICHE COPY AVAILABLE IN ARCHIVES AND SCIENCE. / Bibliography: leaves 366-370. / by Shih-Ping Kao. / Ph.D.
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Physics and application of impurity plume dispersal as an edge plasma flow diagnostic on the Alcator C-Mod tokamakGangadhara, Sanjay, 1972- January 2003 (has links)
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Nuclear Engineering, 2003. / Includes bibliographical references (p. 265-273). / This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections. / A unique system has been developed for studying impurity transport in the edge plasma of Alcator C-Mod. Impurity gas (which for these experiments is deuterated ethylene, C₂D₄) is injected locally into the scrape-off layer (SOL) through the end of a reciprocating fast-scanning probe, and the resultant emission ("plume") is imaged from two near-perpendicular views. Plumes are generated at various SOL depths, while views are obtained using coherent fiber bundles optically coupled to gated, intensified CCD cameras through beam-splitters, allowing for the simultaneous acquisition of C⁺¹ and C⁺² emission. Plume structure is observed to depend on local values of electron density and temperature, background parallel flow (v[sub][parallel]), and radial electric field (E[sub]r). Emission resulting from sputtering of carbon deposited on the probe surface also contributes to the structure. For plumes generated in the near SOL, emission contours are non-elliptical and the parallel extent relative to the ionization mean-free path is large, indicating that transport of impurities near the probe is "jet"-like along B. Plume results also suggest an elongation of the impurity ion density down the probe axis. A Monte Carlo impurity transport code (LIM) was used to simulate the plumes. Results indicate that contributions to the emission from sputtering explain the cross-field plume width, and that the parallel extent of emission generated in the far SOL is well-described using a sputter launch-energy distribution for the impurities. In the near SOL, the presence of a localized parallel electric field arising from background ion recycling off the probe surface is necessary to explain the parallel extent of emission generated in this region. / (cont.) This electric field accelerates impurity ions formed near the probe tip away from the probe, causing jet-like behavior. LIM was also used to investigate causes for the vertical elongation of the impurity emission. Results suggest the existence of a probe-induced E x B drift, of order [approximately] 1000 m/s in the near SOL. This drift may be responsible for the transport of both impurity and bulk plasma ions down the probe axis. Values for v in the far SOL and E[sub]r in the near SOL have been extracted from the plume structure. A comparison between plume and probe results for E[sub]r suggests that calculations which employ a probe-sheath model may be in error, and that measurement of the poloidal propagation velocity of edge plasma fluctuations may be a more reliable means of inferring E[sub]r from probe data. Comparisons between plume- and probe-inferred values for the parallel Mach number suggest that the probe over-estimates parallel flow to the divertor in the far SOL, where effects of short field line connection to the divertor are important. This result strengthens the argument for the main-chamber recycling view of particle flows in the Alcator C-Mod SOL. / by Sanjay Gangadhara. / Ph.D.
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