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.
Results
Showing 1 to 20 of 23 for “"micro reactor"”.
-
A thermally efficient micro-reactor for thermophotovoltaic power generation
… fuels exhibit very high energy densities, and micro-generators converting the stored chemical energy into electrical power are interesting alternatives to batteries in certain applications. The increasing demands in power and total energy delivered to portable consumer electronics such as …
-
Neutronic-Thermal Simulation of Micro Reactor Designs for the Purpose of Analyzing the Impact of Thermal Expansion and Hydrogen Migration in Metal Hydride Moderator
The recent increased interest in microreactor designs has presented the opportunity to take advantage of the smaller core dimensions to perform steady state neutronic-thermal coupled simulation with the inclusion of an additional physics system. This work accomplishes this, by adding thermal …
-
Electroorganic synthesis in microreactors
… of applications, using electrochemical micro reactor are rare. Such techniques are extremely desirable to pharmaceutical companies who are interested in the high throughput synthesis of combinatorial libraries for pharmaceutical evaluation. Furthermore, techniques such as electrochemical …
-
Conversion of n-pentenes over H-ZSM-5
… zeolite catalyst was studied in a fixed-bed micro reactor.
-
Scaling siting criteria and identifying alternative licensing pathways for micro-reactors within the existing regulatory framework
Micro-reactors are a relatively recent subset of Gen IV reactors currently being developed, and due to their design features (i.e., no refueling onsite, easily transported, and mass produced), micro-reactors have the potential to tap into broader markets never accessed before by the nuclear sector …
-
Computergestützte Analyse des reaktiven Strömungsmischens in T-Mikroreaktoren
Due to the large area-to-volume ratio micro-reactors exhibit an effective mass and heat transfer. They also show immediately responses to changes in operating conditions. Therefore micro-reactors are suitable for the analysis of fast exothermic chemical reactions. The multiscale analysis of laminar …
-
Development of new steam methane reforming mobile plant with micro-scale catalytic channels
… of SMR yield intensification using experimental micro reactor and active noble metal catalyst (Rhodium aluminide and Ruthenium aluminide). For that purpose, a laboratory scale SMR test rig bench was designed, fabricated and developed. A new micro channel reactor with interchangeable catalyst …
-
Hydroformylation of high temperature Fischer-Tropsch synthol products for the production of detergent alcohols
… of a "working" kinetic model on a batch micro-reactor scale; and extrapolation of the results to a continuous catalyst testing unit. An integral part of the work therefore involved characterization and quantification of these complex hydroformylation systems, as well as the development of …
-
Consequence-Based Methodology to Determine Physical Security Requirements for Micro-Reactors
Micro-reactors are an emerging advanced fission technology seeking to provide clean energy solutions to aid in the global de-carbonization of energy systems. Without changes to current NRC regulations, micro-reactors may face unduly burdensome onsite physical security costs, leading to reduced …
-
Towards a high-efficiency micro-thermophotovoltaic generator
… fueled catalytic silicon based MEMS microreactor integrated with low-bandgap GaInAsSb (0.53 eV bandgap) photovoltaic cells to create a fully operational millimeter scale TPV system. The initial fuel to electricity system efficiency was measured at 0.8%. A cell area of 2 cm2 produced …
-
Geochemistry of fluid-rock processes
… crystal lattice and fractures of minerals. These microscopic features are called fluid and melt inclusions, and are one of the best tools available to probe, measure and determine the chemical and physical properties of crustal fluids. In the present study we examine new developments into our …
-
Integrated micro fuel cells with on-board hydride reactors and autonomous control schemes
… fuel cell, is the object of this research. The micro fuel cell approach has been adopted for advantages of both high power and energy densities. On-board hydrogen production/storage and an efficient control scheme that facilitates integration with a fuel cell membrane electrode assembly (MEA) …
-
Scalable direct electrochemical nanopatterning of silver films
Metallic nanostructures play an important role in micro and nanotechnology, from interconnects in electronics, electrodes in chemical sensors, batteries, plasmonic waveguides, structural color generation in sub-wavelength optics and catalysts in micro-reactor surfaces. Silver, of all the elements, …
-
The Application Of Polymer Particles In Industrial Processes
… for further research in novel plasma micro-reactors and their applications in diverse fields such as chemical synthesis, chemical engineering and biotechnology. The nature of the research is multi-disciplinary, and involved investigations across several fields including applied …
-
The Application Of Polymer Particles In Industrial Processes
… for further research in novel plasma micro-reactors and their applications in diverse fields such as chemical synthesis, chemical engineering and biotechnology. The nature of the research is multi-disciplinary, and involved investigations across several fields including applied …
-
Estudio de reacciones catalíticas para la producción de hidrógeno a partir de etanol
… es incorporada al modelo matemático de un micro-reactor de canales paralelos, propuesto para llevar a cabo el ESR en condiciones no isotérmicas. El reactor se asume calefaccionado a co-corriente por medio de gases provenientes de una cámara de combustión externa. Mediante simulación, se …
-
Evaluating Surface Mechanisms for Catalytic Combustion Of H2 and CH4 on Pd Catalysts
… exhaust heat recovery have raised the desire for reactor optimization. Such optimization requires adequately detailed surface chemistry models to predict reactor performance over a broad range of conditions relevant to the application. This study presents experimental studies in well-defined …
-
Microreactor synthesis of labelled polyphenols : a route to antibacterial modes of action in important hospital pathogens
… synthesize deuterium labelled epicatechin in a microreactor, discover if theaflavin and epicatechin possess antibacterial action against important hospital pathogens and to determine if synergy exists between polyphenols and between polyphenol and current antibiotics. Other aims were to …
-
Functionalized silicone composites: omniphobic coatings, microspheres and plastic explosives
… Chapter 3 describes the synthesis of silicone microspheres via ultrasonic spray pyrolysis. A viable route to silicone microspheres has eluded researchers for many years, in large part due to the very low surface energy of silicone polymers. This prevents a simple emulsion route; the surface …
-
Evaluating new Oxygen Transfer Materials for Air Separation, Oxy-Fuel Combustion and other Processes
… selected for further investigation. In a tubular micro-reactor, developed and optimised for minimum noise and response time, oxygen transfer capacities and reaction kinetics of the pure, Mn-doped and Co-doped SrFeO$_{3-\delta}$ are investigated. The rate constants of the reduction reaction have …
Page 1 of 2