Index Catalog // ScholarsArchive@OSU

Analysis and measurement of charge injection in switched-capacitor circuits

Creator:: Shen, Min
Abstract:: It has been verified by theoretical analysis, circuit simulation and test that two switch transistors in parallel in a simple sample and hold circuit can be achieve high speed with low error voltage due to charge injection. The wide transistor provides low RC time constant when it is closed and...
Resource Type:: Masters Thesis
Full Text:: Injection in Switched-Capacitor Circuits. Abstract approved: Gabor C. Temes It has been verified by

An efficient high-performance computing based three-dimensional numerical wave basin model for the design of fluid-structure interaction experiments

Creator:: Nimmala, Seshu B.
Abstract:: Fluid-structure interaction (FSI) is an interesting and challenging interdisciplinary area comprised of fields such as engineering- fluids/structures/solids, computational science, and mathematics. FSI has several practical engineering applications such as the design of coastal infrastructure (such as bridges, levees) subjected to harsh environments from natural forces such as tsunamis, storm surges,...
Resource Type:: Dissertation
Full Text:: : _______________________________________________________ Solomon C. Yim Abstract: Fluid-structure interaction (FSI) is an interesting and

Improving the Performance of High Early Strength Concrete by Controlling Self-Desiccation and Mitigating Shrinkage

Creator:: Wilson, Cameron A.
Abstract:: High early strength (HES) concrete is becoming increasingly used to repair damaged concrete pavement sections. The use of HES concrete enables the repaired pavement to be opened to traffic within hours of placing the concrete. A common approach used for the rapid repair of concrete pavement consists of closing a...
Resource Type:: Masters Thesis
Full Text:: different age for varying w/c (using capacitive sensors

Determining contact angle of solutions with varying surface tension on dry and pre-wetted silica sands

Creator:: McGinnis, Thomas L.
Abstract:: Infiltration of highly concentrated solutions into unsaturated sand is suspected to be affected by the liquid-gas interfacial tension between the resident water and that of the infiltrating solution. The wetting of non-porous solid surfaces by liquids is commonly quantified by contact angle measurements. However, it is well known that wettability...
Resource Type:: Masters Thesis
Full Text:: appreciated. I want to thank Maria Dragila and Jack Higginbotham for serving on my committee. Maria provided

Institutional Path Dependence in NASA’s Human Spaceflight Program: A Case Study of Technological Evolution and Persistence

Creator:: Waddell, Trevor W.
Abstract:: Despite extensive research on the historical and technical aspects of national space policy, little has attempted to understand the links between technological evolution in NASA’s spaceflight program in relation to its administrative, political and economic context. This essay explores these connections in the development and evolution of core systems in...
Resource Type:: Capstone Project
Full Text:: _________________________________________________________________ Jack Higginbotham, representing College of Science, Space Programs

The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study

Creator:: Schütfort, Erwin G.
Abstract:: The San Vicente zinc lead deposit is located in the Eastern Andes of Central Peru. The deposit is an epigenetic Mississippi Valley-type deposit based on stratigraphic, geologic, petrographic, and geochemical evidence. The dolomite host rocks of the Pucara Group are of Triassic-Jurassic age. The source of metals are red sandstones...
Resource Type:: Masters Thesis
Full Text:: . Sulfate was reduced to hydrogen sulfide at temperatures above 200 °C under acidic conditions in the lower

A comparison of compact ionization chamber performance and relative readings

Creator:: Gerber, Ryan L.
Abstract:: The purpose of this study is to investigate the relative performance of compact ionization chambers as it changes based on the speed of detector motion and collection volume. To quantify changes, multiple scans were made with each of a selection of compact chambers and repeated varying detector speed. Each scan...
Resource Type:: Masters Thesis

Low voltage techniques for pipelined analog-to-digital converters

Creator:: Carnes, Joshua Kenneth
Abstract:: To realize pipelined ADCs in deep-submicron processes, low voltage techniques must be developed to work around problems created by limited supply voltages such as the floating switch dead zone, reduced SNR, and reduced OpAmp performance. This thesis analyzes standard and low voltage design issues for pipelined ADCs and proposes a...
Resource Type:: Masters Thesis
Full Text:: of a (a) amplifying MDAC structure caused by resistances in the (b) sampling path – RS, (c

Some communication algorithms for Gaussian and Eisenstein-Jacobi networks

Creator:: Albader, Bader
Abstract:: Interconnection networks play important roles in designing high performance computers. Recently two new classes of interconnection networks based on the concept of Gaussian and Eisenstein-Jacobi integers were introduced. In this research, efficient routing and broadcasting algorithms for these networks are developed. Furthermore, constructing edge disjoint Hamiltonian cycles in Gaussian networks...
Resource Type:: Dissertation
Full Text:: like to express my sincere gratitude to Dr. Jack F. Higginbotham, Dr. Timothy A. Budd, and Dr. Thinh

Multi-mode resource-constrained project scheduling problem with resource vacations and task splitting

Creator:: Buddhakulsomsiri, Jirachai
Abstract:: The research presented in this dissertation addresses the Multi-Mode Resource-Constrained Project Scheduling Problem (MMRCPSP) in the presence of resource unavailability. This research is motivated by the scheduling of engineering design tasks in automotive product development to minimize the project completion time, but addresses a general scheduling situation that is applicable...
Resource Type:: Dissertation
Full Text:: . Daniel Schafer for his guidance on statistical aspect of this work; Dr. Kimberly Douglas and Dr. Jack

ScholarsArchive@OSU

Analysis and measurement of charge injection in switched-capacitor circuits

An efficient high-performance computing based three-dimensional numerical wave basin model for the design of fluid-structure interaction experiments

Improving the Performance of High Early Strength Concrete by Controlling Self-Desiccation and Mitigating Shrinkage

Determining contact angle of solutions with varying surface tension on dry and pre-wetted silica sands

Institutional Path Dependence in NASA’s Human Spaceflight Program: A Case Study of Technological Evolution and Persistence

The genesis of the San Vicente lead zinc rhythmite deposit, Peru : a petrologic, geochemical, and sulfur isotope study

A comparison of compact ionization chamber performance and relative readings

Low voltage techniques for pipelined analog-to-digital converters

Some communication algorithms for Gaussian and Eisenstein-Jacobi networks

Multi-mode resource-constrained project scheduling problem with resource vacations and task splitting

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