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Skip to Search Results- 1Freeman, Benjamin R.S.
- 1Goswami, Shubham
- 1Gungor, Ahmet
- 1Jayamaha, Don Jehan Savio Reshon
- 1Jia, Yuxi
- 1Masoumifar, Mehran
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A Data-Driven Neural Network Model to Correct Derived Features in a RANS-Based Simulation of the Flow Around a Sharp-Edge Bluff Body
DownloadSpring 2023
In this dissertation, a machine-learning method is utilized to enhance the accuracy of wake parameters calculated by Reynolds Averaged Navier Stokes (RANS) k-ω SST model of flow on and around wall-mounted rectangular cylinders. Using high-quality results from Large Eddy Simulation (LES), this...
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Spring 2023
This dissertation introduces a new flow analysis technique based on the Fourier-Averaged Navier- Stokes (FANS) equations. It details their application to educing the effect of fluid forces on flow physics. The derivation and interpretation of the method is described, and details of how...
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A Thin-Film Model to Characterize a Luminescent Solar Concentrator for Higher Efficiency Electricity Generation
DownloadSpring 2023
Jayamaha, Don Jehan Savio Reshon
A Luminescent Solar Concentrator (LSC) is a device that consists of a transparent plate with photovoltaic (PV) cells connected to one or more sides. The transparent plate functions as a waveguide and contains luminescent particles, such as organic dyes or quantum dots. The luminescent particles...
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Fall 2020
This dissertation characterizes the wake dynamics of long depth-ratio wall-mounted rectangular cylinders at a range of Reynolds numbers between 250-1000 at different incidence (yaw) angles, 0° - 45° with respect to the free stream flow. The effect of large depth-ratio on flow characteristics and...
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Fall 2024
Hydrodynamics of the flow around multi-foil systems, representing the tailfin dynamics of collectively swimming fish or fish schooling, were investigated by directly solving the Navier-Stokes equations across a range of flow conditions. The wake and performance of the pitching foils in schooling...
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Fall 2021
Instability, morphology, and dewetting of thin films have been the subject of intensive research due to their important industrial and technological applications, including decorative or protective coatings, an intervening media in liquid-liquid emulsions, and polymer films in soft lithography....
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Fall 2020
This dissertation looks at the response and recovery of turbulent pipeflow past square bar roughness elements with two heights at Reynolds numbers of 5000 and 156000. The response of turbulent pipeflow to multiple square bar roughness elements is also evaluated at the higher Reynolds number...
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Response and Recovery of Turbulent Pipeflow Past Wall Changes Targeting Distinct Azimuthal Fourier Modes
DownloadFall 2021
This study focuses on numerical evaluation of the response and recovery of turbulent pipe flow to three-dimensional perturbed wall changes at a range of Reynolds numbers. These perturbations (pipe inserts) were designed based on distinct azimuthal Fourier modes corresponding to $m=3$ (Case I),...
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The Implications of Coarctation and Indentation of the Aorta on Blood Flow Characteristics in Pediatric Patients
DownloadFall 2020
Aorta coarctation is one of the most common geometrical anomalies observed in children that requires intervention in an early stage. Another equally important, but less common, anomaly of the aorta involves the indentation of the aortic arc. This study examines the blood flow characteristics in...