Browsing Department of Chemical Engineering Graduate Theses by Title
Now showing items 158-177 of 284
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Mathematical Modeling of Nonpremixed Turbulent Methane-Air Flameless Combustion in a Strong-Jet/Weak-Jet Burner
(2010-09-23)Flameless combustion technology has been developed over the past twenty years achieving low-NOx emissions and high energy efficiency for industrial applications. In the present work, three aspects of flameless combustion ... -
Mathematical Modeling of Nylon 6/6,6 Copolymerization
This thesis develops a mathematical model for the hydrolytic copolymerization of caprolactam with hexamethylene diamine (HMD) and adipic acid (ADA) in a batch reactor to produce nylon 6/6,6 copolymer. The reaction mechanism ... -
Mathematical Modeling of PEM Fuel Cell Cathodes: Comparison of First-Order and Half-Order Reaction Kinetics
(2008-09-19)Mathematical modeling helps researchers to understand the transport and kinetic phenomena within fuel cells and their effects on fuel cell performance that may not be evident from experimental work. In this thesis, a 2-D ... -
Mathematical Modelling for Carbon Dioxide Removal from Flue Gas Using Micron-size Water Droplets
Numerous technologies have been developed to reduce the amount of CO2 released to the environment via combustion processes. A promising process named the C-3 process uses micron size water droplets to remove contaminants ... -
Mathematical Modelling of an Industrial Steam Methane Reformer
(2009-01-08)A mathematical model of a steam-methane reformer (SMR) was developed for use in process performance simulations and on-line monitoring of tube-wall temperatures. The model calculates temperature profiles for the outer-tube ... -
Mathematical Models of Polyether Production From Bio-Based 1,3-Propanediol
(2015-01-16)This research develops mathematical models to simulate PO3G productions using super-acid catalyst in a batch reactor, to predict super-acid catalyst effects on the polymerization rates and product qualities. The models ... -
Matrix-Derived Microcarriers for Adipose Tissue Engineering
(2010-12-01)In vivo, adipose tissue demonstrates only a limited capacity for self-repair, and the long-term treatment of subcutaneous defects remains an unresolved clinical problem. With the goal of regenerating healthy tissues, many ... -
A Mean-Squared-Error-Based Methodology for Parameter Ranking and Selection to Obtain Accurate Model Predictions at Key Operating Conditions
(2015-01-06)In this thesis, a new mean-squared-error (MSE)-based criterion, rCCW, is proposed to select the optimal number of parameters to estimate from the ranked list of parameters considering the operating region where accurate ... -
Measurement System Design for Chemical Processes
(2011-06-16)The problem of measurement system design for stochastic linear systems, a popular modeling strategy for chemical processes, is addressed. A multi-objective optimization approach is used. The design metrics are the capital ... -
Mechanistic Studies of Radical-mediated Polyolefin Modifications
(2009-01-12)The free radical addition of saturated polymers and small molecules to unsaturated monomers is used to prepare functional derivatives under solvent-free, reactive extrusion conditions. Of particular interest are the dynamics ... -
Medium-Chain-Length Poly (3-Hydroxyalkanoate) Nanoparticle Suspensions
(2016-08-18)The main goal of this thesis was to prepare medium-chain-length poly-3-hydroxyalkanoate (mcl-PHA) nanoparticle suspensions at high solids content (≥ 10 % w/v). A two-stage emulsification-solvent evaporation process was ... -
Membrane Electrode Assembly Fabrication and Test Method Development for a Novel Thermally Regenerative Fuel Cell
(2012-10-13)A test system for the performance analysis of a novel thermally regenerative fuel cell (TRFC) using propiophenone and hydrogen as the oxidant and fuel respectively was designed and built. The test system is capable of ... -
A Method to Improve Cartilage Integration
(2009-12-23)One major barrier that prevents cartilage integration following mosaic arthroplasty is the presence of a zone of chondrocyte death (ZCD) that is generated upon osteochondral graft harvest, which can extend up to 400 μm ... -
Micro/Nanoencapsulation of Proteins Within Alginate/Chitosan Matrix by Spray Drying
(2007-11-02)Currently, therapeutic proteins and peptides are delivered subcutaneously, as they are readily denatured in the acidic, protease rich environment of the stomach or gastrointestinal track and low bioavailability results ... -
Model Development and Parameter Estimation for Styrene Polymerization
(2012-02-22)A model is developed to describe the bulk thermally-initiated free-radical polymerization of styrene between 100 °C and 170 °C. This model incorporates a comprehensive thermal initiation mechanism including generation and ... -
Model-Based Optimal Design of Experiments with Noninvertible Fisher Information Matrix
In this thesis, different approaches are developed and compared to deal with a noninvertible Fisher Information Matrix (FIM) when designing sequential model-based (e.g., A, D, and V-optimal) experiments. Proposed approaches ... -
Modeling and Development of Three-Dimensional Gel Dosimeters
(2014-03-27)A dynamic mathematical model was developed to simulate the response of polyacrylamide gel (PAG) dosimeters to a single spherical radioactive brachytherapy seed. Simulations were conducted for a high dose-rate (HDR) seed ... -
Modeling of Molecular Weight Distributions in Ziegler-Natta Catalyzed Ethylene Copolymerizations
(2009-05-29)The objective of this work is to develop mathematical models to predict molecular weight distributions (MWDs) of ethylene copolymers produced in an industrial gas-phase reactor using a Ziegler-Natta (Z-N) catalyst. Because ... -
Modeling of pCO2 Point-of-Care Devices
(2014-02-06)A dynamic model is developed and presented that predicts the voltage response for a Severinghaus electrode-based point-of-care pCO2 sensor. Eight partial differential equations are derived to describe the diffusion and ... -
Modeling the Thermal Stability of in vitro Diagnostic Bioassays
(2011-02-02)The objective of this work is to develop mathematical models for predicting the thermal stability of commercial diagnostic assays. These assays are a product of the Point of Care division of Abbott laboratories, and are ...