Index Catalog // Hyrax

Development of a Novel Device to Measure the Viscosity of High Temperature Molten Salts

Creatore:: Blyther, Joshua D.
Abstract:: This thesis presents a novel design for a rheometer style viscometer by implementing high temperature and inert atmospheric requirements on the device. The goals of this device are to measure the viscosity of high temperature molten salts, which are corrosive and extremely hydroscopic. It also aims to be able to...
Resource Type:: Masters Thesis

Turnover, Memory, Persistence: Four Decades of Ecological Community at Lost Valley

Creatore:: Bruno, Mark P.
Abstract:: This study is an ethnographic investigation of residential turnover, organizational memory, and the persistence of Lost Valley, an Oregon ecovillage founded in 1989. Literature on organizational turnover, memory, and persistence is reviewed and integrated with scholarship on intentional communities and ecovillages, generating a theoretical framework for data collection and analysis....
Resource Type:: Masters Thesis

Using Machine Learning Models and SVD Dimension Reduction to Predict Cancer Outcomes

Creatore:: Wofford, Rachel
Abstract:: Machine learning models are powerful tools which may aid in the prediction of survival outcomes of cancer patients. This study evaluated eight classification models and eight regression models on their ability to predict survival outcomes on breast cancer and prostate cancer data sets from the SEER database. The most accurate...
Resource Type:: Capstone Project

Phenotyping Degeneration of the Intervertebral Disc with Principal Component Analysis and K-Means Clustering

Creatore:: Chen, Joseph
Abstract:: The human intervertebral disc (IVD) provides support for the vertebral bodies, allowing for movement and load bearing. The IVD can degenerate with age or injury, impeding function and causing chronic pain. Despite disc degeneration affecting over 90% of adults over age 50, and back pain being the leading global cause...
Resource Type:: Masters Thesis

Stochastic Collocation Error Analysis Within a Kinematic Magnetohydrodynamics Framework

Creatore:: Rajbhandari, Evan, Gibson, Nathan L., and Woodside, C. Rigel
Abstract:: We explore one numerical method for dealing with uncertainty quantification, stochastic collocation. We adapt this method for the uncertain kinematic magnetohydrodynamic system. We then demonstrate well-posedness of the uncertain forward problem. We also describe the method in detail, and perform an error analysis of the method, describing the necessary assumptions...
Resource Type:: Preprint

Quantifying uncertainty with stochastic collocation in the kinematic magentohydrodynamic framework

Creatore:: Rajbhandari, Evan, Gibson, Nathan L., and Woodside, C. Rigel
Abstract:: We discuss an efficient numerical method for the uncertain kinematic magnetohydrodynamic system. We include aleatoric uncertainty in the parameters, and then describe a stochastic collocation method to handle this randomness. Numerical demonstrations of this method are discussed. We find that the shape of the parameter distributions affect not only the...
Resource Type:: Preprint

Parameter Estimation within a Kinematic Magnetohydrodynamics Framework

Creatore:: Rajbhandari, Evan, Gibson, Nathan L., and Woodside, C. Rigel
Abstract:: We discuss the well-posedness of the forward problem for the magnetohydrodynamic system with the inclusion of the ion-slip parameter. We also demonstrate the convergence of a parameter estimation scheme. Focusing on power-generation, we implement and the validate a numerical model with an engineering multi-physics software, COMSOL, using ideal-power equations. We...
Resource Type:: Preprint

An Interdisciplinary-Botanical Perspective for Cultural Resource Management: A Definition and the Application of Culturally Significant Plants in Identification, Interpretation, and Evaluation for the National Register of Historic Places

Creatore:: Burk, Rene F.
Abstract:: Cultivated plants are often living artifacts that can aid in evaluation of historic or cultural landscapes. However, a working definition for “culturally significant plant” is currently lacking in the guidance literature for the cultural resource management practitioners. Based on a review of the literature on cultivated plants as indicators of...
Resource Type:: Masters Thesis

HazAr: Immersive Safety Training

Creatore:: Shinde, Akshay
Abstract:: Safety at home and other indoor venues is one of the most important aspects of everyday life. Yet according to the National Fire Protection Association (NFPA), in 2018, approximately 3000 people died in home fires, while 11.7 thousand people were injured. Most household fires start as cooking accidents, which can...
Resource Type:: Capstone Project

Mitigation Banks in Washington State: Case Study of Developing the Schold Farm Mitigation Bank

Creatore:: Dadisman, Jennifer
Abstract:: Wetland habitats are disappearing at an alarming rate and research is finding that establishment and creation of wetland habitat is generally unsuccessful. Typical mitigation strategies in the past have created multiple small isolated wetlands with little functioning habitat. Within Washington State, guidance and research recommends utilizing mitigation banks to compensate...
Resource Type:: Capstone Project

Hyrax

Development of a Novel Device to Measure the Viscosity of High Temperature Molten Salts

Turnover, Memory, Persistence: Four Decades of Ecological Community at Lost Valley

Using Machine Learning Models and SVD Dimension Reduction to Predict Cancer Outcomes

Phenotyping Degeneration of the Intervertebral Disc with Principal Component Analysis and K-Means Clustering

Stochastic Collocation Error Analysis Within a Kinematic Magnetohydrodynamics Framework

Quantifying uncertainty with stochastic collocation in the kinematic magentohydrodynamic framework

Parameter Estimation within a Kinematic Magnetohydrodynamics Framework

An Interdisciplinary-Botanical Perspective for Cultural Resource Management: A Definition and the Application of Culturally Significant Plants in Identification, Interpretation, and Evaluation for the National Register of Historic Places

HazAr: Immersive Safety Training

Mitigation Banks in Washington State: Case Study of Developing the Schold Farm Mitigation Bank

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