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Development of an advanced Hybrid (U)RANS/LES turbulence models using Scale Adaptive Simulation (SAS) method
(2022)
in the near-wall region resulting in an exorbitant cost of LES methodology. In such cases, hybrid (U)RANS-LES models play a vital role as they perform as RANS in the near-wall region and LES in the regions away from the wall. However, currently available...
Assessing fall velocity-maximum dimension relationships and particle size distributions for snowfall
(University of Missouri--Columbia, 2021)
Snowfall is an atmospheric phenomenon that can cause significant impacts to many aspects of daily life in Missouri. Further, no two snowfall events are exactly the same, as even small differences in environmental characteristics can result...
Three essays on the labor market in China
(University of Missouri--Columbia, 2021)
graduates' first jobs. The negative impact of the college expansion on labor outcomes is smaller for older college graduates. Our results are consistent with findings published in the 1970s focusing on the effects of the U.S college expansion. In the third...
Three essays on racial discrimination
(University of Missouri--Columbia, 2022)
dependence among them. To separate the contributions of age, period, and cohort on racial preference, the third chapter uses the General Social Survey from multiple waves (1972-2018) and estimates the bounds of the effects instead of obtaining point estimates...
Essays in policy evaluation and labor economics
(University of Missouri--Columbia, 2021)
This dissertation contains three chapters. The first chapter evaluates the effect of a gun control act in California. State legislators in the U.S. are striving to curb gun violence. A common approach is to extend the existing firearms ban list...
Three essays on innovation, corporate control and household consumption-based asset pricing
(University of Missouri--Columbia, 2021)
Chapter I: Tracking more than 100 billion weekly transactions of two million products at the barcode level from 2007 to 2017, we identify and categorize new products as pioneers, followers and improvers to study corporate ...
Geochronologic and thermochronologic constraints on the Mesozoic to Cenozoic deformation history of southeastern California
(University of Missouri--Columbia, 2022)
of the Basin and Range province. This study aims to better understand how these tectonic regimes interact in the area around Death Valley. Apatite and zircon (U-Th)/He data from two transects in the Kingston and Mesquite ranges are first used to explore...
Financial leverage and predictability of earnings
(University of Missouri--Columbia, 2021)
This study investigates whether firms' financial leverage affects earnings predictability. I posit and find that earnings predictability is negatively associated with firms' leverage. Further analyses using an instrumental ...
The politics of CO2 emissions
(University of Missouri--Columbia, 2020)
Climate change poses a severe threat to humanity for the last few decades. Various forms of natural disasters, extreme weather events, the outbreak of deadly diseases, life, and food insecurity are among common threats of ...
What makes collaborations succeed or fail : understanding uncertainty in collaboration formation and outcomes
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 5/1/2024] Collaborative relationships are a distinct type of agreement that sets them apart from the broader concept of social networks. These relationships involve participants who commit to sharing ...
Uneven-aged management in the Missouri Ozarks: effects of site conditions, stand density, and prior populations on oak regeneration
(University of Missouri--Columbia, 2022)
While studies have shown the importance of site characteristics and overstory density on the success of white oak regeneration under uneven-aged management, few studies have analyzed the effects of these variables over time in the Missouri Ozarks...
Insights for rural health care provider retention : a quantitative survey analysis
(University of Missouri--Columbia, 2021)
Due to rural health disparities and an uneven distribution of health providers across the rural urban continuum, retaining the existing rural health care provider workforce may be an important strategy to maintain existing ...
Narrowing achievement gaps : essays on the impact of public policies on the academic achievement of English learners
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 8/1/2024] English Learners (ELs) represent a significant and growing proportion of students in US schools, from 3.8 million students in 2000 to 5.1 million in 2019, representing 10.2 percent of children ...
Generational status, social capital and family engagement in immigrant families
(University of Missouri--Columbia, 2021)
, the present research suggested that immigrant families were not only constrained from participating in their children's education, but also had their own strengths for family engagement such as positive expectations for and extensive communications...
A phase-field formulation for fracture modeling of quasi-brittle and rate- and temperature-dependent materials
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 8/1/2024] This thesis focuses on the development and application of the phase-field method for fracture modeling of brittle, quasi-brittle, and viscoelastic materials. The study begins with a comprehensive ...
Birth order and gender : differential parental investment in Medieval England and France in the eleventh, twelfth, and thirteenth centuries
(University of Missouri--Columbia, 2020)
This dissertation addresses the question: will parents invest differently in their children based on gender and birth order? Using parental investment theory and four major sets of outcome variables--child survival, parental ...
Three essays on the Conservation Reserve Program
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI-COLUMBIA AT REQUEST OF AUTHOR.] Over 35 years, the Conservation Reserve Program (CRP) has provided a variety of envi-ronmental benefits, reducing run-off of sediment, nitrogen, and phosphorus...
Influence of inert gases on heat and mass transfer in next-generation nuclear reactors
(University of Missouri--Columbia, 2021)
energy. We look into how fission gas (i.e., krypton and xenon) impacts the transport properties of U--Mo alloys. We start with an analysis of the impact of fission gas on the overall thermal conductivity of U--Mo. We find that the presence of fission gas...
Three essays on political polarization in the United States
(University of Missouri--Columbia, 2022)
Is the United States polarized? In order to address this question, this dissertation explores three dimensions of political polarization. Three related, but independent, essays on political polarization provide information ...
The relationship between athletic team fiscal expenditures on athletic and academic success for NCAA Division II football and basketball programs
(University of Missouri--Columbia, 2021)
with academic success of all sports at an institution. As sport-specific expenses may not be used to support academic services within the sport, total athletic department expenses may better represent a university's commitment to its student-athletes' academic...