Index Catalog // ScholarsArchive@OSU

Development of a Framework for Analyzing the Effects of a Micro Pin Fin Array on the Catalytic Combustion of Hydrogen in Micro-channels

Creator:: Walters, Eric M.
Abstract:: An experimental framework for investigation of the effects of Micro Pin Fin Arrays (MPFA) on the fuel oxidation efficiency of catalytic combustion is presented in this thesis. Complete combustion of the fuel is essential for operation at maximum efficiency and high standards of environmental cleanliness desired in existing microscale combustion...
Resource Type:: Honors College Thesis
Full Text:: , scanning electron microscopy to characterize the catalyst morphology, and Energy Dispersive X-ray

Effect of Laser Powder Bed Fusion Parameters and Hot Isostatic Pressing on the Microstructure and Mechanical Properties of C22 Alloy

Creator:: Yan, Dongqing
Abstract:: A nickel-based Hastelloy C22 powder with a nominal composition of Ni-21.30Cr-13.36Mo-1.92Co-2.94W-3.85Fe-0.23Mn-0.3V(wt%) and particle size distribution of D₁₀=23.8±0.3 μm, D₅₀=37.5±0.2μm, and D₉₀=59.3±1.1 μm was gas atomized to be used as a feedstock in Laser Powder Bed Fusion (LPBF). In this study, laser power and scanning speed were optimized to manufacture specimens...
Resource Type:: Masters Thesis
Full Text:: microscope, X-ray diffraction, scanning electron microscopy, and electron backscatter diffraction

Additive Manufacturing of FeCrCoCuNi High Entropy Alloy via Laser Powder Bed Fusion and Nickel Aluminum Bronze via Laser Directed Energy Deposition

Creator:: Doyle, Ryan P.
Abstract:: High Entropy Alloys (HEA) exhibit unusual properties and are gaining interest as new materials for challenging applications in the aerospace, hypersonic and medical fields. The application of HEAs have been limited by the development of powder production at scale. A recently developed process of plasma spheroidization by 6K, inc. has...
Resource Type:: Masters Thesis
Full Text:: cellular substructures. Energy dispersive X-ray spectroscopy revealed a single ferritic phase of the as

Multi-modal sensing data fusion for machining and additive manufacturing

Creator:: Fu, Xianzhe
Abstract:: With the increased demand for high-quality products, reliable and robust process monitoring has become a key capability for modern manufacturing systems. Through sensors installed in the machinery, the real-time information was measured to assess the state of the processes. The measured data can be used to infer the mechanical, material,...
Resource Type:: Dissertation
Full Text:: on a commercial L-PBF platform with a high-speed IR sensor. Ex-situ X-ray CT scanning was employed

Data-Driven Environmentally Sustainable Product Design: A Shift Toward Increased use of Sustainable Design Activities in the Early Design Phase

Creator:: Ferrero, Vincenzo J.
Abstract:: Modern product design drives the boundaries of innovation by encompassing complex Design-for-X objectives, and the inclusion of multidimensional stakeholders. This growing complexity in product design has left design teams unequipped, as classical design theory is bounded by designer experience, expertise, and cognition. One novel approach to tackling product complexity is...
Resource Type:: Dissertation
Full Text:: drives the boundaries of innovation by encompassing complex Design-for-X objectives, and the inclusion of

Properties of a niobium-titanium multilayer thin film

Creator:: Norris, Jeffrey A., (Jeffrey Alan), 1965-
Resource Type:: Masters Thesis
Full Text:: Larbalestier (1981) Multilayers A Sato (1990) lnm bilayer period Sato (1990) lOnm bilayer period x Zheng

Radiation Emissions from Turbulent Premixed Jet-A/Air Flames Diluted with Combustion Products

Creator:: Hoter, Zohar R.
Abstract:: Heat flux measurements of radiation emissions from turbulent premixed flames diluted with N 2 and CO 2 were taken to identify sensitivities of radiation heat loss to diluent fraction and species. This work is motivated by the desire to better characterise radiant heat transfer in the presence of combustion products,...
Resource Type:: Honors College Thesis
Full Text:: increasing turbulence. Zheng et. al. [6] investigated radiation intensities emitted from non

Identifying customer requirements and designing for modularity in developing specialized, low production volume products

Creator:: van Tamelen, Peter G.
Abstract:: Field biologists are in need of more specialized and technical equipment than they are able to produce on their own in order to collect data more efficiently or gather data that is not currently available. This presents a challenge for design engineers because these products are typically highly specialized and...
Resource Type:: Masters Thesis
Full Text:: occur during their larval phase (Gaines and Roughgarden 1985, Myers and Cadigan 1993, Zheng and

Simulating Soot Formation and Growth using a Parallel Coupled Monte Carlo Method

Creator:: Peters, Jordan
Abstract:: Small hydrocarbon particles such as soot and soot precursors pose a serious threat to human health and Earth's climate. Understanding the mechanisms by which soot particles form and grow is the first step to reducing the prevalence of these particles. Computational simulations are used to investigate combusting systems which are...
Resource Type:: Masters Thesis
Full Text:: by Zhao and Zheng [44] selects two simulation particles ns,i and ns,j to collide and substitutes the

An approach to reduced-order modeling and feedback control for wave energy converters

Creator:: Shoori J., Hesam E.
Abstract:: Wave energy holds great promise to be part of the alternative energy portfolio that will provide independence from fossil fuels. As wave energy converter (WEC) technologies mature, designing effective control strategies to extract maximum energy, extend device life, coordinate WEC operation within an array, or mitigate negative impacts of a...
Resource Type:: Masters Thesis
Full Text:: is assumed that we have a set of data taken form a partial differential equation, x(s, t

ScholarsArchive@OSU

Development of a Framework for Analyzing the Effects of a Micro Pin Fin Array on the Catalytic Combustion of Hydrogen in Micro-channels

Effect of Laser Powder Bed Fusion Parameters and Hot Isostatic Pressing on the Microstructure and Mechanical Properties of C22 Alloy

Additive Manufacturing of FeCrCoCuNi High Entropy Alloy via Laser Powder Bed Fusion and Nickel Aluminum Bronze via Laser Directed Energy Deposition

Multi-modal sensing data fusion for machining and additive manufacturing

Data-Driven Environmentally Sustainable Product Design: A Shift Toward Increased use of Sustainable Design Activities in the Early Design Phase

Properties of a niobium-titanium multilayer thin film

Radiation Emissions from Turbulent Premixed Jet-A/Air Flames Diluted with Combustion Products

Identifying customer requirements and designing for modularity in developing specialized, low production volume products

Simulating Soot Formation and Growth using a Parallel Coupled Monte Carlo Method

An approach to reduced-order modeling and feedback control for wave energy converters

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