Index Catalog // ScholarsArchive@OSU

Stability and Liftoff of Non-premixed Large Hydrocarbon Flames in MILD Conditions

Creator:: Walters, Eric M.
Abstract:: The Moderate or Intense Low-oxygen Dilution (MILD) combustion regime has received interest from the industrial furnace and gas turbine engine industries due to attractive properties of reduced NO[subscript x] emissions and high thermal efficiency. MILD combustion is characterized by low oxygen concentrations (i.e. 3%-9% by volume) and high reactant temperatures....
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Eric M. Walters for the

Numerical and Experimental Investigation of Wing Flutter Suppression via Distributed Propulsion

Creator:: Anderson, Cole J.
Abstract:: In a seminal paper published in 1982, scientist have warned that humanity was pushing earth’s ecosystems beyond their capacities to support the web of life. One response to the concern was outlined by NASA with its vision for advanced fixed wing transport aircraft to be environmentally compatible and have revolutionary...
Resource Type:: Masters Thesis
Full Text:: 13.5 m/s wind speed. Consistent pitch and plunge oscillations were observed at 15° AoA and 14.5 m/s

Ground Gen Airborne Wind Energy Conversion Systems: Tools for Conceptual Design and Rapid Prototyping

Creator:: Muschler, Alexander
Abstract:: Airborne Wind Energy System (AWES) are quickly coming to fruition, with increased energy production while reducing the cost of implementation and materials. This thesis develops a new computational model for a tethered AWES and characterizes a new rapid prototyping method with the objective of supporting the design and rapid prototyping...
Resource Type:: Masters Thesis
Full Text:: power generation of the Delta Wing and ASK21 Glider with 5, 10, 15, and 20 m/s winds. The results are

Modeling convective boiling flow with in-situ local vapor extraction

Creator:: Salakij, Saran
Abstract:: The pressure drop of convective boiling flow may be reduced by extracting vapor locally since the entire generated vapor does not have to travel through the entire channel length. In this study, the theoretical model was developed to simulate a convective boiling flow through a fractal-like branching microchannel network with...
Resource Type:: Masters Thesis
Full Text:: 750 Watt and extracting pressure of 60 kPa when Rext = 3x1010 m-1 63 LIST OF TABLES

Determination of cutting forces with asymmetric wedged blades

Creator:: Phan, Andrew Vinh
Abstract:: Cutting operations using blades appear in several different industries such as food processing, surgical operations, gardening equipment, and so forth. As our society continues to increase our technological prowess, there is an ongoing need to better understand the underlying causes of simple tasks such as cutting so that cutting operations...
Resource Type:: Masters Thesis
Full Text:: characteristics. These units provide 1.57 N-m, double the torque of a comparable brushed motor. Also, DC

Automated Synthesis of Hybrid Energy Network Optimization using A* & Ensemble Forecasting

Creator:: Luc, Jonathan H.
Abstract:: This thesis describes a method for automatically generating and evaluating small-scale off-grid energy systems. Such systems are comprised of components such as solar panels, residential-scale wind turbines, batteries, inverters and charge controllers. These disparate components are assembled into feasible networks through the use of topological optimization and graph grammar rules....
Resource Type:: Masters Thesis
Full Text:: committee Dr. Bryony DuPont, Dr. Ted Brekken, and Dr. Rakesh Gupta for taking time out of their work

Energy Harvesting Performance of a Flapping Foil with Leading Edge Motion

Creator:: Prier, Michael W.
Abstract:: Force data for a flapping foil energy harvester with active leading edge motion operating in the low reduced frequency range is collected to determine how leading edge motion affects energy harvesting performance. The foil pivots about the midchord and operates in the low reduced frequency range of 0.06, 0.08, and...
Resource Type:: Masters Thesis
Full Text:: thank my committee members Dr. Sourabh Apte, Dr. Joshua Gess, and Dr. Rakesh Gupta for their time and

Simulation-based micro-scale system modeling and design optimization of a portable absorption cycle cooling system (tactical energy system) under uncertainty

Creator:: Shielee, David
Abstract:: Product design is often driven by customer needs and desires. In this case the customer is the US military, and the desire is to have a cooling unit small enough and light enough to incorporate into hazard suits for use in desert combat. The Micro technology-based Energy and Chemical Systems...
Resource Type:: Masters Thesis

A technique for spatially resolved wall temperature measurements in microchannel heat sinks using infrared thermography

Creator:: Krebs, Daniel P.
Abstract:: A non-intrusive measurement technique for direct quantitative thermal visualization of channel wall temperatures in two phase microchannel flows using infrared thermography (IRT) is presented. Specifically, the measurement of top channel wall temperatures in a fractal-like branching microchannel silicon heat sink during flow boiling is demonstrated and thoroughly documented. Obtaining quantitative...
Resource Type:: Masters Thesis
Full Text:: during flow boiling can be obtained with a spatial resolution of 10 μm and an uncertainty varying from

Modeling, control, and estimation of flexible, aerodynamic structures

Creator:: Ray, Cody W.
Abstract:: Engineers have long been inspired by nature's flyers. Such animals navigate complex environments gracefully and efficiently by using a variety of evolutionary adaptations for high-performance flight. Biologists have discovered a variety of sensory adaptations that provide flow state feedback and allow flying animals to feel their way through flight. A...
Resource Type:: Dissertation
Full Text:: utilizing muscles located within the membrane itself, as pictured in figure 2.5 and suggested by Gupta in

ScholarsArchive@OSU

Stability and Liftoff of Non-premixed Large Hydrocarbon Flames in MILD Conditions

Numerical and Experimental Investigation of Wing Flutter Suppression via Distributed Propulsion

Ground Gen Airborne Wind Energy Conversion Systems: Tools for Conceptual Design and Rapid Prototyping

Modeling convective boiling flow with in-situ local vapor extraction

Determination of cutting forces with asymmetric wedged blades

Automated Synthesis of Hybrid Energy Network Optimization using A* & Ensemble Forecasting

Energy Harvesting Performance of a Flapping Foil with Leading Edge Motion

Simulation-based micro-scale system modeling and design optimization of a portable absorption cycle cooling system (tactical energy system) under uncertainty

A technique for spatially resolved wall temperature measurements in microchannel heat sinks using infrared thermography

Modeling, control, and estimation of flexible, aerodynamic structures

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