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Skip to Search Results- 1Boddez, Jason Bradley
- 1Braun, Bennett L.
- 1Graves, Brian M
- 1Klikach, Robert
- 1McNally, Jakub T
- 1Ng, James C
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Applications of nonautonomous infinite-dimensional systems control theory for parabolic PDEs
DownloadFall 2013
Parabolic partial differential equations (PDEs) are used as models of transport-reaction phenomena in a variety of different industrial chemical and materials engineering processes, and can yield precise descriptions of process variables with complex temporal and spatially dependent system...
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Characterization and Control of Cyclic Variability in a Gasoline/Natural Gas Dual-Injection Spark Ignition Engine
DownloadSpring 2016
Reducing the cyclic variability of a gasoline/natural gas dual injection spark ignition engine using minimum variance control is the subject of this thesis. Cylinder pressure is used to calculate four combustion metrics, the standard deviation of which is used as an indicator of cyclic...
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Characterization of Particulate Matter Morphology and Volatility for Two Direct-Injection Engines
DownloadFall 2015
Particulate matter emitted from two direct injection engines has been characterized by morphology, volatility, mass-mobility exponent, effective density, and size distribution using tandem measurements from a centrifugal particle mass analyzer (CPMA) and differential mobility analyzers (DMA). The...
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Spring 2024
Hydrogen as a fuel has the potential to reduce tailpipe carbon dioxide emissions of vehicles to near-zero, while also allowing for the generation of a hydrogen-based economy and lowering humanity's dependence upon oil. Hydrogen-diesel dual fuel combustion, where hydrogen and diesel are combusted...
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Fall 2018
Dual-fuel Reactivity Controlled Compression Ignition (RCCI) combustion is investigated as an efficient combustion mode on a modified 4-cylinder production Gasoline Direct Injection (GDI) engine. RCCI uses Low-Temperature Combustion (LTC) to provide high efficiency combustion while avoiding NOx...
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Spring 2016
A dual-fuel system is used to control HCCI combustion timing and load in a CFR engine. The systems steady-state response to iso-octane and n-heptane injected energy is investigated then a dynamic ARMAX model is found using system identification. This model is used to design a norm-optimal...
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Lithium Recovery from Hydraulic Fracturing Flowback and Produced Water using a Manganese-Based Sorbent
DownloadFall 2020
Increased demand for lithium products for use in lithium ion batteries has led to a search for new lithium resources in recent years in order to meet projected future consumption. One such potential lithium resource is low lithium bearing brines that are discharged from hydraulically fractured...
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Spring 2024
Lithium is crucial for battery production and is utilized in electric vehicles and portable electronics. Among alternative sources of lithium is flowback and produced water (FPW) brines, which can be recovered utilizing ion-exchange with sorbents such as lithium manganese oxide spinels. Among...