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 9 of 9 for “"Microchannel Plasma"”.
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Al/Al2O3 microchannel plasma chemical reactor for ozone synthesis
… is produced efficiently in arrays of linear microplasmas at low temperatures and generated within alumina (Al2O3) microchannels. The array of microchannels device is fabricated from aluminum foil by chemical processing and mechanical ablation with photolithographic steps. Channels with 3 cm in …
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Disinfection of wastewater for reuse using microchannel plasma ozone generator
… performance of an energy efficient and compact microchannel plasma-based ozone generator to inactivate L. pneumophila for safer water reuse. Inactivation kinetics study quantified the inactivation. More than four Log10 of L. pneumophila inactivation was achieved within 1 minute at low energy …
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Dissociation of carbon dioxide in atmospheric pressure microchannel plasma devices
Plasma discharge of carbon dioxide at atmospheric pressure was successfully demonstrated in microchannel plasma devices at breakdown voltages lower than 1 kVRMS. Optical emissions of molecular and ionic fragments of carbon dioxide were observed in emission spectra of visible wavelength range …
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Silicon microcavity and microchannel plasma devices: spectroscopy and time-resolved optical experiments
Novel microcavity and microchannel plasma devices in Si have provided new and efficient sources of visible, ultraviolet (UV) and vacuum ultraviolet (VUV) radiation. The realization of this new platform for devices is implemented through VLSI and MEMS fabrication techniques. In this thesis, the …
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Coupled phenomena in arrays of microplasma devices and microchannel plasma devices as antennas
Arrays of microcavity and microchannel plasmas with characteristic dimensions of 25-800 micrometer have been generated in glass substrates. To reproducibly fabricate the arrays, glass micromaching using replica molding and micropowder blasting was proposed and demonstrated. The microplasmas were …
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Dissociation of carbon dioxide in an Al/Al2O3 microchannel plasma reactor at atmospheric pressure
The dissociation of CO2, using a microcavity plasma in an Al/Al2O3 reactor flowing pure CO2 is achieved with a maximum energy efficiency of 12.4%. This figure corresponds to a maximum dissociation rate of ~70 g/kWh. Additionally, optical emission spectra in UV and visible regions show the evidence …
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Hydrogen gas generation by water vapor dissociation in an Al/Al2O3 microchannel plasma device
An aluminum/alumina (Al/Al2O3) microchannel plasma reactor is used to generate H2 with an energy efficiency of 2.5 % by dissociating water vapor in Ar at atmospheric pressure and room temperature. The value compares favorably to other plasma reactors reported in the literature, having reported …
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Microstructural Control of Aluminum/aluminum Oxide Electrochemistry: Aluminum/aluminum Oxide Photonic Devices
The fully addressable microcavity plasma device, fabricated by the combination of modified electrochemical etching and anodization, is the first to be demonstrated. Intense luminance and luminous efficacies approaching 1800 cd/m2 and 4 lm/W, respectively, have been observed for 50 x 50 to 320 x 160 …
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Ar-Xe plasma laser and microplasma propagation
… part, we report on the development of Ar-Xe plasma in a SU-8 based microchannel structure which is suitable for on-chip gain medium for near-IR lasing at 823 nm wavelength. SU-8 microchannels with length varying from 1 cm to 5 cm and cross-section area of 100×100 µm were fabricated on silicon …