Browsing by Author "Tatarchuk, Bruce"

Now showing items 1-20 of 23

Aerosol Filtration Performance of Novel 3-Dimensional Nonwoven Composites

Karwa, Amogh (2012-01-30)

The studies described in this dissertation focus on the design and aerosol filtration performance of novel filter media with homogeneous 3-dimensional distribution of all its components. Air purification by removal of ...

Computational Fluid Dynamics Simulation Of Chemically Reacting Gas Flows Through Microfibrous Materials

Duggirala, Ravi (2008-05-15)

This dissertation presents results of research efforts to propose a design space for new microfibrous materials with enhanced chemical reactivity with optimum pressure gradient. These microfibrous materials material are ...

Design and Characterization of Nonwoven Fabrics for Gas Diffusion Layer in Polymer Electrolyte Membrane Fuel Cell

Isikel, Lale (2007-05-15)

The aim of this research is to develop and evaluate materials for polymer electrolyte membrane fuel cells. Gas diffusion layer (GDL) is a part of membrane electrode assembly (MEA) that is the locomotive of polymer electrolyte ...

Desulfurization of Hydrocarbon Fuels at Ambient Conditions Using Supported Silver Oxide-Titania Sorbents

Nair, Sachin (2010-11-10)

Sulfur in refined fuels is considered a significant cause for atmospheric pollution such as acid rain and smog. Sulfur is also a poison for electrocatalysts in fuel cells and catalysts in hydrocarbon refining and reformation ...

Development of High Performance Filtration System Using Composite Bed Filter and Multi-element Structured Array

Xu, Guomin (2015-07-28)

A composite nonwoven (CNW) material, activated carbon fiber enhanced microfibrous entrapped sorbent (ACF-MFES) , was prepared by incorporating micro sized (100-500µm) sorbent particulates into the blended microfiber ...

Electrochemical Characterization and Modelling of Fuel Cells via AC Impedance and Residence Time Distribution

Payne, Robert (2008-12-15)

The performance of commercially available fuel cells was tested under a variety of test conditions and models were formulated to explain the experimental results. Several techniques were applied to single cells and groups ...

Enhancement in NaCl aerosol filtration in a filter media through the use of porous fibers with multiscale, multidomain porosities: Unveiling novel filtration mechanisms governed by capillary and thermodynamic forces.

Poudyal, Amulya (2024-05-01) ETD File Embargoed

Studying NaCl aerosol filtration holds significant importance for several reasons. It is commonly used as a standard challenge aerosol for testing air filter media because it resembles properties of many airborne particles. ...

Fischer Tropsch Catalyst Structures & Process Design for JP-5 Fuel Integrated with MFEC

Dokun, Tunde B. A. (2010-05-11)

Modern societies are seeking new sources and corresponding technology as traditional fossil fuels are becoming more difficult to access because of their remote locations. A potentially attractive solution is to convert ...

Gas Phase Desulfurization Using Regenerable Microfibrous Entrapped Metal Oxide Based Sorbents for Logistic PEM Fuel Cell Applications

Yang, Hongyun (2007-08-15)

This dissertation presents results of R&D efforts to develop a thin, low pressure drop, high efficiency zinc oxide based sorbent using glass fibrous media as carrier to remove gaseous sulfur compounds from reformates for ...

Importance of Heat Transfer During Carbon Monoxide Oxidation

Henderson, Robert (2015-07-28)

Interest in Carbon Monoxide Oxidation dates back to 1922 by Irving Langmuir himself. Since, a wide body of work has surfaced. Commercially available catalysts work in low humidity and high CO concentrations, such as ...

Improvement of Indoor Air Quality Through The Development of Polymeric Microfibrous Material

Luna, Eric (2009-12-15)

It was desired to create a healthier and more comfortable living environment for persons whom spend an increasingly amount of time indoors. Two main goals are necessary for the accomplishments of this objective: develop ...

Low Temperature Oxidation of Carbon Monoxide Using Microfibrous Entrapped Catalysts for Fire Escape Mask Application

Karanjikar, Mukund (2005-08-15)

The prime reason for life casualties in fire is not the fire itself but poisoning caused by presence of carbon monoxide. It has been reported by American Medical Association that CO causes about 2100 deaths per year and ...

Microfibrous Entrapped Catalysts for Low Temperature CO Oxidation in Humid Air

Punde, Shirish (2013-05-14)

CO oxidation at ambient conditions poses a major challenge due to CO self-poisoning at low temperature as well as passivation of the catalyst in the presence of moisture. A highly active novel catalyst has been developed ...

A Multi-Technique Comparative Evaluation of Silver Dispersion on Polycrystalline Titania

Davis, Zenda (2012-11-06)

Energy independence, coupled with the increasing demands on energy supply, and rising environmental, health, and efficiency concerns have fueled the need for more appropriate refining processes in the petroleum industry. ...

A Multi-Technique Perspective for the Calibration of Metal Dispersion and Oxygen Chemisorption on AgTiO2 Supported Adsorbents

Davis, Zenda (2015-07-23)

Absorption studies were performed in an attempt to gain a better understanding of the discrepancies that exist between the previously reported average crystallite sizes for silver titania adsorbents using oxygen chemisorption ...

Nanofiber Inclusion and Fiber Pore Volume Potential to Affect Fundamental Filtration of NaCl Aerosols

Poudyal, Amulya (2019-11-12)

Sea salt aerosols are generated when the high-speed vessels travelling in the ocean collide with white caps from wake or bow of the ships. These aerosols have salt particulates ranging from 0.1 to 10 microns. These high-speed ...

Novel Packaging Designs for Improvements in Air Filter Performance

Sothen, Ryan (2009-07-29)

Adsorbent entrapped media, such as microfibrous materials engineered at Auburn University, provide a novel method to effectively remove harmful airborne contaminants such as volatile organic compounds and particulate matter ...

Optimization and Investigation of SO2 Adsorption Process for Solid Oxide Fuel Cell Cathode Protection

Cheng, Peng (2017-04-25)

Gas-phase contaminant removal is a critical process for power supply systems (e.g. fuel cells and gas turbines). Because of high-energy efficiency, low emissions, and fuel flexibility, Solid Oxide Fuel Cells (SOFCs) are ...

Photo-assisted Adsorptive Desulfurization of Hydrocarbon Fuels over TiO2 and Ag-TiO2

Sun, Xueni (2016-05-05)

Organic sulfur compounds are one of the most common impurities in crude oil which is widely used as transportation fuels such as gasoline, diesel and jet fuels. Sulfur in liquid hydrocarbon fuels is also considered as one ...

Promoted ZnO Sorbents for Wide Temperature Range H2S and COS Removal from Reformate Streams for Applications in Fuel Cells

Dhage, Priyanka (2011-05-18)

High efficiency desulfurization is critical to maintain the activity of fuel processing catalysts and high-value membrane electrode assemblies in logistic fuel cell systems. On-board fuel processing of liquid hydrocarbon ...