Index Catalog // ScholarsArchive@OSU

Utilizing the thermodynamic properties of E85 to increase the specific efficiency of a high specific output single cylinder Formula SAE engine

Creator:: Duncan, Derek N.
Abstract:: Formula SAE is a collegiate engineering competition that has participants from around the globe. Of the 1000 points available throughout the event, 100 (10%) are dedicated to the fuel efficiency of the student built race cars. Competition rules allow either gasoline or E85, a mix of 85% ethanol and 15%...
Resource Type:: Masters Thesis

Two-stage flexible flow shop scheduling with blocking constraint and batching machines

Creator:: Panahi, Hadi
Abstract:: In this dissertation, a two stage flexible flow shop scheduling problem is studied, where in stage 1, there are identical batch processors (burnout ovens) and in stage 2, there are identical discrete processors (furnaces). Batch processors perform a pre-heating process on a batch of jobs at a time and discrete...
Resource Type:: Dissertation

Theoretical and implementation improvements for difference evaluation functions

Creator:: Colby, Mitchell Kataichi
Abstract:: Multiagent learning with cooperative coevolutionary algorithms is a critical area of research, and is relevant to many real-world applications including air traffic control, distributed sensor network control, and game-theoretic applications such as border patrol. A key difficulty in multiagent learning is the credit assignment problem, where the impact of each...
Resource Type:: Dissertation

The effects of ocean variability and breaking waves on wave energy converter reliability and survivability

Creator:: Brown, Adam
Abstract:: The reliability and survivability of a wave energy converter (WEC) is highly dependent on the variability and non-linearity of the ocean itself. Ocean variability occurs on many time scales. Climate variability occurs decade-to-decade, and year-to-year in the number and intensity of winter storms. Seasonal variation of wave height and period...
Resource Type:: Dissertation

Sustainability assessment during early product development : the manufacturing case and the use case

Creator:: Seyedmahmoudighomi, Seyedhamed
Abstract:: The research explored in this thesis helps provide a better understanding of efforts that have been undertaken to more precisely calculate environmental impacts and human health risks, such as energy consumption, carbon footprint, and toxicity, to support environmental sustainability assessment of products. The work is comprised of two research objectives,...
Resource Type:: Masters Thesis

Optimal control of an underactuated bipedal robot

Creator:: Jones, Mikhail S.
Abstract:: Bipedal robots represent a unique class of control problems that combine many of the most difficult elements of nonlinear control. These robots are typically designed to be mobile and as such have limited energy and actuator authority making efficiency a prime concern. Unlike wheeled robots, legged robots must transition between...
Resource Type:: Masters Thesis

Numerical design of a high-flux microchannel solar receiver

Creator:: Rymal, Charles
Abstract:: This thesis discusses the design of several microchannel solar receiver devices for use in CSP (concentrated solar power) using CFD (computational fluid dynamics) simulations. The goal is to demonstrate that, by taking advantage of the higher heat transfer coefficienct of microchannels, solar receivers can achieve higher efficiency than current receiver...
Resource Type:: Masters Thesis

Multiagent learning for locomotion and coordination in tensegrity robotics

Creator:: Iscen, Atil
Abstract:: Tensegrity structures are composed of pure compressional elements that are connected via a network of pure tensional elements. The concept of tensegrity promises numerous advantages to the field of robotics. Tensegrity robots are, however, notoriously difficult to control due to their oscillatory nature and nonlinear interaction between the components. Multiagent...
Resource Type:: Dissertation

Microchannel extraction of Te⁴⁺ from a stream of CdTe via MIBK in supported liquid membrane

Creator:: Liburdy, Heather Johnson
Abstract:: A new technique is developed to recover elemental tellurium (Te) from cadmium telluride (CdTe) which is abundantly available in photovoltaic semiconductor waste. The method is based on microchannel fluid flow with the use of a supported liquid membrane (SLM) between the donor (feed) and acceptor (strip) channels. A predictive theoretical...
Resource Type:: Masters Thesis

Medical diagnosis : a functional model and diagnostic aid

Creator:: Zolfaghari, Kiumars
Abstract:: Improving the quality of the medical system has always been of great importance but has not always made the largest advances. A significant percentage of medical errors are due to wrong, missed, or delayed medical diagnosis. Diagnostic errors are among the most preventable categories of medical errors, but when an...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Utilizing the thermodynamic properties of E85 to increase the specific efficiency of a high specific output single cylinder Formula SAE engine

Two-stage flexible flow shop scheduling with blocking constraint and batching machines

Theoretical and implementation improvements for difference evaluation functions

The effects of ocean variability and breaking waves on wave energy converter reliability and survivability

Sustainability assessment during early product development : the manufacturing case and the use case

Optimal control of an underactuated bipedal robot

Numerical design of a high-flux microchannel solar receiver

Multiagent learning for locomotion and coordination in tensegrity robotics

Microchannel extraction of Te⁴⁺ from a stream of CdTe via MIBK in supported liquid membrane

Medical diagnosis : a functional model and diagnostic aid

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