Search Results - "Kubinski, David"

Microwave-Based State Diagnosis of Three-Way Catalysts: Impact Factors and Application Recommendations by Steiner, Carsten, Malashchuk, Vladimir, Kubinski, David, Hagen, Gunter, Moos, Ralf

“…This study reassesses an overview of the potential of the radio frequency (RF)-based state diagnostics of three-way catalysts (TWC) based on a previous study…”
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Catalyst State Diagnosis of Three-Way Catalytic Converters Using Different Resonance Parameters-A Microwave Cavity Perturbation Study by Steiner, Carsten, Malashchuk, Vladimir, Kubinski, David, Hagen, Gunter, Moos, Ralf

“…Recently, radio frequency (RF) technology was introduced as a tool to determine the oxygen storage level of a three-way catalyst (TWC) for gasoline vehicles…”
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Current amplification in an electrostatic trap by soot dendrite growth and fragmentation: Application to soot sensors by Bilby, David, Kubinski, David J., Maricq, M. Matti

“…This paper examines the surprisingly large electrical current, nanoamps instead of picoamps, observed when sampling soot aerosol through an electrostatic trap…”
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Dual mode NOx sensor: measuring both the accumulated amount and instantaneous level at low concentrations by Groß, Andrea, Beulertz, Gregor, Marr, Isabella, Kubinski, David J, Visser, Jaco H, Moos, Ralf

“…The accumulating-type (or integrating-type) NO(x) sensor principle offers two operation modes to measure low levels of NO(x): The direct signal gives the total…”
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Radio-Frequency-Controlled Urea Dosing for NH₃-SCR Catalysts: NH₃ Storage Influence to Catalyst Performance under Transient Conditions by Dietrich, Markus, Hagen, Gunter, Reitmeier, Willibald, Burger, Katharina, Hien, Markus, Grass, Philippe, Kubinski, David, Visser, Jaco, Moos, Ralf

“…Current developments in exhaust gas aftertreatment led to a huge mistrust in diesel driven passenger cars due to their NO emissions being too high. The…”
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Radio-Frequency-Based NH₃-Selective Catalytic Reduction Catalyst Control: Studies on Temperature Dependency and Humidity Influences by Dietrich, Markus, Hagen, Gunter, Reitmeier, Willibald, Burger, Katharina, Hien, Markus, Grass, Philippe, Kubinski, David, Visser, Jaco, Moos, Ralf

“…The upcoming more stringent automotive emission legislations and current developments have promoted new technologies for more precise and reliable catalyst…”
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Dosimeter-type NOx sensing properties of KMnO4 and its electrical conductivity during temperature programmed desorption by Groß, Andrea, Kremling, Michael, Marr, Isabella, Kubinski, David J, Visser, Jacobus H, Tuller, Harry L, Moos, Ralf

“…An impedimetric NOx dosimeter based on the NOx sorption material KMnO4 is proposed. In addition to its application as a low level NOx dosimeter, KMnO4 shows…”
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The Effect of the Thickness of the Sensitive Layer on the Performance of the Accumulating NOx Sensor by Groß, Andrea, Richter, Miriam, Kubinski, David J., Visser, Jacobus H., Moos, Ralf

“…A novel and promising method to measure low levels of NOx utilizes the accumulating sensor principle. During an integration cycle, incoming NOx molecules are…”
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Design principles for controlling soot deposition location in resistive PM sensors by Bilby, David, Kubinski, David

“…[Display omitted] •Soot deposition location is affected by electrode angle relative to flow and electrode finger width.•Agreement between experimental and…”
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Detection of the ammonia loading of a Cu Chabazite SCR catalyst by a radio frequency-based method by Rauch, Dieter, Kubinski, David, Simon, Ulrich, Moos, Ralf

“…Zeolites are in use as catalyst materials in the selective catalytic reduction of NOx with NH3 as reducing agent. An initial NH3-adsorption on the catalyst is…”
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A microwave-based method to monitor the ammonia loading of a vanadia-based SCR catalyst by Rauch, Dieter, Albrecht, Gaby, Kubinski, David, Moos, Ralf

“…•Article is concerned with vanadia-based SCR catalysts (SCR).•A novel method (microwave cavity perturbation) can determine in operando the amount of adsorbed…”
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Ammonia Loading Detection of Zeolite SCR Catalysts using a Radio Frequency based Method by Rauch, Dieter, Kubinski, David, Cavataio, Giovanni, Upadhyay, Devesh, Moos, Ralf

“…Ammonia adsorption on the catalyst surface is a crucial step in the selective catalytic reduction of nitrogen oxides over zeolites with NH₃ as the reducing…”
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Using a MISiC-FET sensor for detecting NH3 in SCR systems by Wingbrant, H, Svenningstorp, H, Salomonsson, P, Kubinski, D, Visser, J.H, Lofdahl, M, Spetz, A.L

“…NH3 will react with NOx in the catalytic converter to form N2 and water, which is called selective catalytic reduction (SCR)…”
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Dependence of giant magnetoresistance on the size and composition of ferromagnetic 3d metal precipitates in a silver matrix by Kubinski, David John

“…The structure and the giant magnetoresistance (GMR) of granular magnetic alloys are described. A study using epitaxial Ag-Co and Ag-Ni granular alloys films…”
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Examination of subchondral bone architecture in experimental osteoarthritis by microscopic computed axial tomography by Layton, M W, Goldstein, S A, Goulet, R W, Feldkamp, L A, Kubinski, D J, Bole, G G

“…Subchondral bone changes have been proposed as an early event in the pathogenesis of osteoarthritis. In this study, microscopic computed axial tomography was…”
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Dependence of giant magnetoresistance on the size and composition of ferromagnetic 3d metal precipitates in a silver matrix by Kubinski, David John

“…The structure and the giant magnetoresistance (GMR) of granular magnetic alloys are described. A study using epitaxial Ag-Co and Ag-Ni granular alloys films…”
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Absence of a martensitic phase transformation (even an embryonic phase) in potassium as determined by an ultrasound study by KUBINSKI, D, TRIVISONNO, J

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Magnetic-field and polarization dependence of the direct electromagnetic generation of ultrasound in potassium by KUBINSKI, D, TRIVISONNO, J

“…The magnetic-field and polarization dependence of the direct electromagnetic generation of ultrasound in single-crystal potassium was studied for various…”
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