Index Catalog // ScholarsArchive@OSU

Alternative design considerations for a wave energy converter : a sustainability approach

Creator:: Collins, Erin
Abstract:: As the negative impacts of a fossil fueled electricity market are becoming more prevalent and destructive, the necessity for alternative energy techniques increases as well. However, before commercial implementation is underway, these alternatives must be assessed from three important perspectives: environmentally, economically, and socially, which are known as the three...
Resource Type:: Masters Thesis
Full Text:: and development (R&D) phase, but as the ma- rine renewable energy sector develops, it is important to

Utilizing smart manufacturing information in a job shop to support job selection and processing speed decisions

Creator:: Houck, Christopher
Abstract:: Creating schedules for the job shop manufacturing system is an extremely difficult task. Although researchers have devoted a lot of attention to generating optimal solutions, these solutions are static, thus they do not update as random events occur that disrupt the system. As smart manufacturing has grown, researchers have been...
Resource Type:: Masters Thesis
Full Text:: Chung, and Dr. Karl R. Haapala for serving as my committee members. I also want to express special

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
Full Text:: . I would like to thank my graduate committee members, Dr. Haapala, Dr. Eseonu and, Dr. Pavol for

Materials and process design for powder injection molding of silicon nitride for the fabrication of engine components

Creator:: Lenz, Juergen H. (Juergen Herbert)
Abstract:: A new material system was developed for fabricating the combustion engine of an unmanned aerial vehicle. The material system consisted of a mixture of nanoscale and microscale particles of silicon nitride. Magnesia and yttria were used as sintering additives. The powders were mixed with a paraﬃn binder system. The binder-powder...
Resource Type:: Masters Thesis

Cooling rate limitations in the diffusion bonding of large microchannel arrays

Creator:: Lingam, Gopi K.
Abstract:: A significant barrier to the diffusion bonding of large (i.e. 600 mm) microchannel devices is the large capital investment required to setup production. This large capital investment extends from long heating and cooling cycles leading to poor production capacities. Empirical studies in industry have shown that cooling rate is limited...
Resource Type:: Masters Thesis
Full Text:: Engineering and Dr. Karl Haapala for being on committee. I would like to extend my appreciation to Dr

Synthesis and evaluation of PEO-coated materials for microchannel-based hemodialysis

Creator:: Heintz, Keely
Abstract:: The marked increase in surface-to-volume ratio associated with microscale devices for hemodialysis leads to problems with hemocompatibility and blood flow distribution that are more challenging to manage than those encountered at the conventional scale. In this work, stable surface modifications with pendant polyethylene oxide (PEO) chains were produced on polycarbonate...
Resource Type:: Masters Thesis
Full Text:: learning experience! Thanks to my second-in-line (but not least!) advisor Dr. Karl “Rat” Schilke for

Dividing Complex Parts into Multiple Pieces for Advanced Joining and Additive Manufacturing

Creator:: Massoni, Brandon R.
Abstract:: Poor material utilization is inherent to conventional manufacturing processes, leading to high material waste and machining times. Additive manufacturing processes attempt to solve this issue by allowing production of near-net shapes, but the processes may be too expensive or infeasible. By leveraging both processes in a single part, the waste...
Resource Type:: Masters Thesis
Full Text:: of, Prof. Karl Haapala, Prof. David Kim, Harsha Malshe, Steven Lindberg, Ryan Allen, and Rothanak

Synthetic Lubricant Performance in Enclosed Gearbox Applications at Extreme Temperature

Creator:: Marr, Carter J.
Abstract:: The goal of this paper is to evaluate how synthetic lubricants perform in an enclosed gearbox application when compared with a proven mineral oil. This is in an effort to improve gearbox efficiency with the desired effect of lower emissions from of improved energy output from power generation. Four liquid...
Resource Type:: Masters Thesis
Full Text:: Jones, Karl R. Haapala, O. Burkan Isgor, John Parmigiani 4 Chapter 2: Lubrication performance

A Manufacturing Process Design for Producing a Membrane-based Energy Recovery Ventilator with High Aspect Ratio Support Ribs

Creator:: Kawula, Steven P.
Abstract:: Heating, ventilation, and air conditioning systems represent nearly half of building energy usage in the United States. Recent building regulations requiring increased air turnover within buildings will result in even greater air conditioning usage. To alleviate these concerns, membrane-based heat-and-moisture exchangers known as energy recovery ventilators have been developed to...
Resource Type:: Masters Thesis

Determining the dimensional requirements of a reliable compression sealing method for use in microchannel hemodialysers

Creator:: Ward, Dustin K.
Abstract:: Almost 600,000 people in the United States were treated for End Stage Renal Disease in 2010. A majority of those people received hemodialysis from central medical facilities. It has been reported a better treatment option for these patients would be realized if the patients had more frequent hemodialysis treatments. A...
Resource Type:: Masters Thesis
Full Text:: . Haapala and Dr. Marshall for being on my committee. Thank you Daniel Peterson for your daily

ScholarsArchive@OSU

Alternative design considerations for a wave energy converter : a sustainability approach

Utilizing smart manufacturing information in a job shop to support job selection and processing speed decisions

Medical diagnosis : a functional model and diagnostic aid

Materials and process design for powder injection molding of silicon nitride for the fabrication of engine components

Cooling rate limitations in the diffusion bonding of large microchannel arrays

Synthesis and evaluation of PEO-coated materials for microchannel-based hemodialysis

Dividing Complex Parts into Multiple Pieces for Advanced Joining and Additive Manufacturing

Synthetic Lubricant Performance in Enclosed Gearbox Applications at Extreme Temperature

A Manufacturing Process Design for Producing a Membrane-based Energy Recovery Ventilator with High Aspect Ratio Support Ribs

Determining the dimensional requirements of a reliable compression sealing method for use in microchannel hemodialysers

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