Index Catalog // ScholarsArchive@OSU

Turbulent Combustion Analysis of Large Hydrocarbon Fuels in a Reduced Pressure Environment

Creator:: Schorn, Nathan E.
Abstract:: The aviation industry is pushing for better fuels and gas turbine engines for several reasons: cost, emissions, and to a lesser extent high-altitude relights. One aspect that research has been focused on to help reduce costs, emissions and better understand high-altitude relights is studying the combustion behavior of the fuel...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Nathan E. Schorn for the degree of Master of

A study of bubble size in a large particle fluidized bed at elevated temperatures

Creator:: Hockman, Jeffrey Nathan
Abstract:: The literature cites several examples of investigations made concerning the size of bubbles rising in small particle fluidized beds at room temperature. In many practical applications, however, fluidized beds require the use of large particles at very high temperatures. Despite this fact, little information has been reported on bubble size...
Resource Type:: Masters Thesis
Full Text:: at elevated temperatures AN ABSTRACT OF THE THESIS OF Jeffrey Nathan Hockman for the degree of

Functional analysis to inform early design decisions for novel systems with substantial operations and maintenance costs

Creator:: Algarra, Nathan
Abstract:: Long field-life systems are those for which operational, as opposed to capital, expenditures dominate the life time cost of the system. In established product categories, operational experience and historical maintenance data allows engineers to make informed decisions influencing maintenance during the early design stages when design changes are at their...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Nathan Algarra for the

Analysis of spillway hydrodynamics for total dissolved gas prediction downstream of hydropower projects with free, plunging spillway jets

Creator:: Germann, Nathan A.
Abstract:: During spring and early summer hydropower projects are often forced to spill water through their spillways due to increased river flows of the runoff season. Flows which are directed through spillways--instead of through turbines--contain a substantial amount of energy. Stemming from the high energy content, spillway flows entrain air at...
Resource Type:: Masters Thesis
Full Text:: Nathan A. Germann for the degree of Master of Science in Mechanical Engineering presented on October 2

The Design of a Multidisciplinary Capstone Course

Creator:: Rust, Nathan R.
Abstract:: The end goal of any educational program is to prepare a student for the challenges they will see after completion of their studies. In the realm of engineering, the pinnacle of this occurs during a student’s final Capstone course series, where students are asked to apply their various skills learned...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Nathan Rust for

The geometric characterization and thermal performance of a microchannel heat exchanger for diesel engine waste heat recovery

Creator:: Yih, James S.
Abstract:: Rising energy demands and the continual push to find more energy efficient technologies have been the impetus for the investigation of waste heat recovery techniques. Diesel engine exhaust heat utilization has the potential to significantly reduce the consumption of fossil fuels and reduce the release of greenhouse gases, because diesel...
Resource Type:: Masters Thesis
Full Text:: thank Dr. Nathan Gibson, of the math department, for serving as my Graduate Council Representative

Evaluating Stiffness Metrics for Predicting the Cost of Chemical Kinetics Integration

Creator:: Alferman, Andrew Thomas
Abstract:: Simulations of combustion and reacting flows often encounter stiffness in the equations governing chemical kinetics. Explicit solvers for these ordinary differential equations offer low computational expense, but typically cannot efficiently handle stiff systems. In contrast, implicit methods demand greater expense but offer unconditional stability—as a result, most reactive-flow solvers rely...
Resource Type:: Masters Thesis
Full Text:: dx = y −G(x) a(x, y) . (2.5) 8 They stated that, if ∆x is the desired resolution of x, the

Bi-level flexible-robust optimization for energy allocation problems

Creator:: Biswas, Arpan
Abstract:: A common problem in energy allocation problems is managing the trade-off between selling surplus energy to maximize short term revenue, versus holding surplus energy to hedge against future shortfalls. For energy allocation problems, this surplus represents resource flexibility and is quantified as the surplus energy after meeting the demand. The...
Resource Type:: Masters Thesis

Characterization of the near-field flow structure of an acoustically self-excited jet in a large enclosure using particle image velocimetry (PIV)

Creator:: Tobias, Jason A.
Abstract:: An experimental study of the near-field flow structure produced by an incompressible turbulent Acoustically Self-Excited Jet (ASEJ) in a large enclosure using Particle Image Velocimetry (PIV) is presented. The salient feature of this jet is that it provides an increase in near-field mixing and turbulence without additional external power input....
Resource Type:: Masters Thesis
Full Text:: . (2003); Nathan et al. (1998); Schachenmann and Rockwell (1980)) and mechanical pulsing with valves

Performance Evaluation of Air Shocks Implemented in a Formula Student Vehicle

Creator:: Fritz, Tim
Abstract:: The Formula Student Team Global Formula Racing from Oregon State University implemented an air suspension system in their 2017 combustion powered vehicle, mainly to save weight. This thesis covers the performance evaluation of such system by comparison to conventional coil over shocks. Utilizing two different Formula Student style courses, three...
Resource Type:: Masters Thesis
Full Text:: , Nathan Cheung, Kyla Dewald, Brit- tyn McAllister • Part manufacturing: Dylan Habiger, Zhetao Zhu

ScholarsArchive@OSU

Turbulent Combustion Analysis of Large Hydrocarbon Fuels in a Reduced Pressure Environment

A study of bubble size in a large particle fluidized bed at elevated temperatures

Functional analysis to inform early design decisions for novel systems with substantial operations and maintenance costs

Analysis of spillway hydrodynamics for total dissolved gas prediction downstream of hydropower projects with free, plunging spillway jets

The Design of a Multidisciplinary Capstone Course

The geometric characterization and thermal performance of a microchannel heat exchanger for diesel engine waste heat recovery

Evaluating Stiffness Metrics for Predicting the Cost of Chemical Kinetics Integration

Bi-level flexible-robust optimization for energy allocation problems

Characterization of the near-field flow structure of an acoustically self-excited jet in a large enclosure using particle image velocimetry (PIV)

Performance Evaluation of Air Shocks Implemented in a Formula Student Vehicle

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