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dc.contributor.authorBarnard, Melissa
dc.date.accessioned2010-10-26T18:27:44Z
dc.date.available2010-10-26T18:27:44Z
dc.date.issued2010-10-26
dc.identifier.urihttp://hdl.handle.net/10464/3052
dc.description.abstractTo investigate the thennal effects of latent heat in hydrothennal settings, an extension was made to the existing finite-element numerical modelling software, Aquarius. The latent heat algorithm was validated using a series of column models, which analysed the effects of penneability (flow rate), thennal gradient, and position along the two-phase curve (pressure). Increasing the flow rate and pressure increases displacement of the liquid-steam boundary from an initial position detennined without accounting for latent heat while increasing the thennal gradient decreases that displacement. Application to a regional scale model of a caldera-hosted hydrothennal system based on a representative suite of calderas (e.g., Yellowstone, Creede, Valles Grande) led to oscillations in the model solution. Oscillations can be reduced or eliminated by mesh refinement, which requires greater computation effort. Results indicate that latent heat should be accounted for to accurately model phase change conditions in hydrothennal settings.en_US
dc.language.isoengen_US
dc.publisherBrock Universityen_US
dc.subjectGeothermal resourcesen_US
dc.subjectHydrothermal alterationen_US
dc.subjectCalderasen_US
dc.titleImpact of considering the effects of latent heat on caldera-hosted hydrothermal systemsen_US
dc.typeElectronic Thesis or Dissertationen_US
dc.degree.nameM.Sc. Earth Sciencesen_US
dc.degree.levelMastersen_US
dc.contributor.departmentDepartment of Earth Sciencesen_US
dc.degree.disciplineFaculty of Mathematics and Scienceen_US


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