Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 80 for “"Kinetic Modeling"”.
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Kinetic modeling of carbon oxidation
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1990.
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Kinetic modeling of electrodynamic space tethers
… in-space experimental results and previous kinetic modeling was limited from the computational and physical standpoints: wake partly outside the simulation domain, artificial ion/electron mass ratios, single tether, etc. In the present work we improve our computational techniques and …
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Kinetic Modeling of a Transport Coal Gasifier
… TRDU.</p> <p>The focus of this research was to kinetically model char gasification in the TRDU, which will help define control parameters and optimize production. Kinetic parameters of char were determined with the use of Thermogravimetry (TGA). TGA is a thermal analysis and involves studying …
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Kinetic modeling and experimentation of anaerobic digestion
… time. This work provides an intermediate kinetic model that predicts biogas output over time with few inputs. This kinetic model is justified by a small-scale laboratory experiment, and parameters are adjusted to match experimental results. This model can be used to optimize design …
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Kinetic Modeling of Microbial Inactivation by Ultraviolet Light
Ultraviolet (UV) light reactors are currently being designed for the disinfection of water and wastewater. However, little information is available relating the effects of mixing, light intensity, reaction time, and water quality to UV disinfection efficiency. This study was designed to develop …
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Shaping the bacterial transcriptome: Perspectives from kinetic modeling
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-12-01
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Kinetic modeling and automated optimization in microreactor systems
The optimization, kinetic investigation, or scale-up of a reaction often requires significant time and materials. Silicon microreactor systems have been shown advantageous for studying chemical reactions due to their small volume, rapid mixing, tight temperature control, large range of operating …
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Predictive kinetic modeling of low-temperature hydrocarbon oxidation
… option for exploring and elucidating the kinetics of these complex processes through detailed kinetic modeling and requires efforts in three key areas: single reaction kinetics, reaction networks and coupling kinetics with mass/momentum/energy balance models. This thesis presents several …
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Kinetic modeling frameworks for the chemical recycling of polyolefins
… in a reactor scale that stretch traditional kinetic tools past their limits. This dissertation develops a set of kinetic modeling frameworks for the chemical recycling of polyolefins. First, we examine mass-transfer limits using a diffusion–reaction model that describes how processive …
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Fully kinetic modeling of a divergent cusped-field thruster
A fully kinetic, particle-in-cell plasma simulation tool has been incrementally developed by members of the Massachusetts Institute of Technology Space Propulsion Laboratory. Adapting this model to simulate the performance and plasma dynamics of a divergent cusped-field thruster is discussed. …
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IN VITRO AND IN VIVO KINETIC MODELING OF DIAZEPAM METABOLISM
… it is crucial to understand the mechanism and kinetics of drug metabolism by various drug-metabolizing enzymes (DMEs). Cytochrome P450 enzymes (CYPs) are responsible for the metabolism of more than 60% of the top 200 prescribed drugs. X-ray and NMR data of CYP enzyme suggest that relatively …
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Stoichiometry and kinetic modeling of an anaerobic baffled reactor, The
… An understanding of the stoichiometry and kinetics of an ABR receiving raw wastewater influent at ambient temperatures, is lacking. It is critical to develop this understanding in order to characterize the organic removal potential for further upscale and design of the ABR technology. A …
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Kinetic modeling of low temperature plasmas: space and laboratory plasmas
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01
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Integrating Cell-level Kinetic Modeling into the Optimization of Cancer Therapeutics
… the complex interplay between the drug's pharmacokinetics and its effect, is largely missing. For complex diseases such as cancer, systems biology models of therapeutically relevant cellular processes have proven valuable for identifying potent drug targets. So far, such information about the …
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Kinetic Modeling of Ionospheric Outflows Observed by the VISIONS-1 Sounding Rocket
… at higher altitudes.</p> <p>A new fully kinetic model is constructed from first principles which traces large numbers of individual O+ ion macro-particles along curved magnetic field lines, using a guiding-center approximation, in order to facilitate calculation of ion distribution …
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Chemical kinetic modeling of oxidation of hydrocarbon emissions in spark ignition engines
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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I. Kinetic Modeling of Surface Reactions II. Computational Design of Organic Semiconductors
… moment closure methods to simulate the chemical kinetics of surface reactions. For systems with static disorder in the rate constants and short-range correlation in the densities of reactants, we propose the half heterogeneous pair approximation (HHPA). Combining the intuitions of the mean-field …
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Multi-reactional kinetic modeling of phosphate sorption on goethite using artificial neural networks
… temperatures and then investigating the kinetic mechanisms by applying multi-reactional modeling through Hopfield artificial neural network (HANN). Two mechanisms were investigated, a sequential reactions type (P in solution ⇌ B⇌ C) and another with independent reactions (B ⇌ P in …
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Statistical Methods For Kinetic Modeling Of Fischer Tropsch Synthesis On A Supported Iron Catalyst
… the development of a supported iron catalyst and kinetic models of FTS on the catalyst using advanced statistical methods for experimental design and analysis. A high surface area alumina, modified by the addition of approximately 2 wt% lanthanum, was impregnated with approximately 20 wt% Fe and …
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Kinetic Modeling of Mesophilic Digestion of Swine Manure Containing an Antibiotic Inhibitor (Methane, Biogas)
… study was conducted to investigate the Monod kinetic parameters associated with the design and operation of mesophilic digestion of swine manure containing the antibiotic chlortetracycline (CTC). The experimental design was set up to determine the effects retention time (RT) and antibiotic …
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