Academic literature on the topic 'Soot particle deposition'

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Journal articles on the topic "Soot particle deposition"

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Ueckert, O., and K. Siegmann. "Soot particle deposition in the human respiratory tract." Journal of Aerosol Science 30 (September 1999): S797—S798. http://dx.doi.org/10.1016/s0021-8502(99)80409-1.

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Lutic, Doina, Joakim Pagels, Robert Bjorklund, et al. "Detection of Soot Using a Resistivity Sensor Device Employing Thermophoretic Particle Deposition." Journal of Sensors 2010 (2010): 1–6. http://dx.doi.org/10.1155/2010/421072.

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Results are reported for thermophoretic deposition of soot particles on resistivity sensors as a monitoring technique for diesel exhaust particles with the potential of improved detection limit and sensitivity. Soot with similar characteristics as from diesel exhausts was generated by a propane flame and diluted in stages. The soot in a gas flow at 240–270C∘was collected on an interdigitated electrode structure held at a considerably lower temperature, 105–125C∘. The time delay for reaching measurable resistance values, the subsequent rate, and magnitude of resistance decrease were a function
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Fragkiadoulakis, Pavlos, Savas Geivanidis, and Zissis Samaras. "Modeling a resistive soot sensor by particle deposition mechanisms." Journal of Aerosol Science 123 (September 2018): 76–90. http://dx.doi.org/10.1016/j.jaerosci.2018.06.005.

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Teini, Paul D., Darshan M. A. Karwat, and Arvind Atreya. "Observations of nascent soot: Molecular deposition and particle morphology." Combustion and Flame 158, no. 10 (2011): 2045–55. http://dx.doi.org/10.1016/j.combustflame.2011.03.005.

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MESSERER, A., R. NIESSNER, and U. PÖSCHL. "CONTINUOUS SOOT PARTICLE DEPOSITION AND OXIDATION IN NOVEL PARTICLE TRAPPING OXIDATION CATALYSTS." Journal of Aerosol Science 35 (July 2004): S1185—S1186. http://dx.doi.org/10.1016/s0021-8502(19)30320-9.

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Hagen, Gunter, Christoph Spannbauer, Markus Feulner, Jaroslaw Kita, Andreas Müller, and Ralf Moos. "Conductometric Soot Sensors: Internally Caused Thermophoresis as an Important Undesired Side Effect." Sensors 18, no. 10 (2018): 3531. http://dx.doi.org/10.3390/s18103531.

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Particulate matter sensors are of interest for application in the exhaust of any combustion processes, especially for automotive aftertreatment systems. Conductometric soot sensors have been serialized recently. They comprise planar interdigital electrodes (IDE) on an insulating substrate. Between the IDEs, a voltage is applied. Soot deposition is accelerated by the resulting electric field due to electrophoresis. With increasing soot deposition, the conductance between the IDE increases. The timely derivative of the conductance can serve as a sensor signal, being a function of the deposition
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Bika, Anil Singh, Alok Warey, David Long, Sandro Balestrino, and Patrick Szymkowicz. "Characterization of Soot Deposition and Particle Nucleation in Exhaust Gas Recirculation Coolers." Aerosol Science and Technology 46, no. 12 (2012): 1328–36. http://dx.doi.org/10.1080/02786826.2012.712730.

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Hoose, Corinna, Jón Egill Kristjánsson, Jen-Ping Chen, and Anupam Hazra. "A Classical-Theory-Based Parameterization of Heterogeneous Ice Nucleation by Mineral Dust, Soot, and Biological Particles in a Global Climate Model." Journal of the Atmospheric Sciences 67, no. 8 (2010): 2483–503. http://dx.doi.org/10.1175/2010jas3425.1.

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Abstract An ice nucleation parameterization based on classical nucleation theory, with aerosol-specific parameters derived from experiments, has been implemented into a global climate model—the Community Atmosphere Model (CAM)-Oslo. The parameterization treats immersion, contact, and deposition nucleation by mineral dust, soot, bacteria, fungal spores, and pollen in mixed-phase clouds at temperatures between 0° and −38°C. Immersion freezing is considered for insoluble particles that are activated to cloud droplets, and deposition and contact nucleation are only allowed for uncoated, unactivate
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Abarham, Mehdi, Tejas Chafekar, John W. Hoard, et al. "In-situ visualization of exhaust soot particle deposition and removal in channel flows." Chemical Engineering Science 87 (January 2013): 359–70. http://dx.doi.org/10.1016/j.ces.2012.09.025.

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Crawford, I., O. Möhler, M. Schnaiter, et al. "Studies of propane flame soot acting as heterogeneous ice nuclei in conjunction with single particle soot photometer measurements." Atmospheric Chemistry and Physics Discussions 11, no. 4 (2011): 11007–38. http://dx.doi.org/10.5194/acpd-11-11007-2011.

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Abstract. The ice nucleation efficiency of propane flame soot particles with and without a sulphuric acid coating was investigated using the aerosol and cloud chamber facility AIDA (Aerosol Interaction and Dynamics in the Atmosphere). The test soot for cloud formation simulations was produced using a propane flame Combustion Aerosol Standard generator (CAST, Jing-CAST Technologies). The organic carbon content (OC) of the test soot was altered in a reproducible fashion by changing the fuel/air mixture of the generator. The soot content of ice nuclei was subsequently investigated using a combina
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Dissertations / Theses on the topic "Soot particle deposition"

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Ohori, Shinya, and Kazuhiro Yamamoto. "Simulations on flow and soot deposition in diesel particulate filters." SAGE, 2013. http://hdl.handle.net/2237/20057.

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Krishnamurthy, Nagendra. "Investigation of Fouling in Wavy-Fin Exhaust Gas Recirculators." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/32012.

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This dissertation presents a detailed account of the study undertaken on the subject of fouling of Exhaust Gas Recirculator (EGR) coolers. The fouling process in EGR coolers is identified to be due to two primary reasons â deposition of fine soot particles and condensation of hydrocarbons known as dry soot and wet soot fouling, respectively. Several numerical simulations are performed to study the fouling process. Preliminary analysis of the particle forces for representative conditions reveal that drag, thermophoresis and Brownian forces are the significant transport mechanisms and among th
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Huq, Ragibul. "Development of a novel sensor for soot deposition measurement in a diesel particulate filter using electrical capacitance tomography." Thesis, 2014. http://hdl.handle.net/1805/5929.

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Indiana University-Purdue University Indianapolis (IUPUI)<br>This paper presents a novel approach of particulate material (soot) measurement in a Diesel particulate filter using Electrical Capacitance Tomography. Modern Diesel Engines are equipped with Diesel Particulate Filters (DPF), as well as on-board technologies to evaluate the status of DPF because complete knowledge of DPF soot loading is very critical for robust efficient operation of the engine exhaust after treatment system. Emission regulations imposed upon all internal combustion engines including Diesel engines on gaseous a
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Book chapters on the topic "Soot particle deposition"

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Gschaider, Bernhard F. W., Claudia C. Honeger, and Christian E. P. Redl. "Soot Particle Deposition within Porous Structures Using a Method of Moments – Lattice Boltzmann Approach." In Computational Science - ICCS 2004. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-25944-2_73.

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Conference papers on the topic "Soot particle deposition"

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Appel, Dominik, Fabian P. Hagen, Uwe Wagner, Thomas Koch, Henning Bockhorn, and Dimosthenis Trimis. "Influence of Low Ambient Temperatures on the Exhaust Gas and Deposit Composition of Gasoline Engines." In ASME 2020 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/icef2020-2932.

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Abstract To comply with future emission regulations for internal combustion engines, system-related cold-start conditions in short-distance traffic constitute a particular challenge. Under these conditions, pollutant emissions are seriously increased due to internal engine effects and unfavorable operating conditions of the exhaust aftertreatment systems. As a secondary effect, the composition of the exhaust gases has a considerable influence on the deposition of aerosols via different deposition mechanisms and on fouling processes of exhaust gas-carrying components. Also, the performance of e
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Goodwin, M. A., A. F. Shinn, and S. P. Vanka. "Numerical Study of Thermophoretic Deposition in Laminar and Turbulent Variable-Property Flat Plate Channel Flow." In ASME 2009 Heat Transfer Summer Conference collocated with the InterPACK09 and 3rd Energy Sustainability Conferences. ASMEDC, 2009. http://dx.doi.org/10.1115/ht2009-88369.

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Thermophoresis is a significant deposition mechanism for the fouling of exhaust gas recirculation (EGR) coolers. The present paper is motivated by the need to understand and predict the rates of deposition of soot particles in heat exchanger fins used in EGR coolers. This preliminary study considers flat plate channels in the laminar and transitional turbulent regimes. Because of the nano-meter range of the particles, an Eulerian approach is used to determine the particle concentration. Full consideration is given to property variations due to changes in temperature. The inlet gas is at a fixe
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Messerer, Armin, Ulrich Pöschl, Reinhard Niessner, and Dieter Rothe. "Soot Particle Deposition Efficiency of Diesel PM-Catalyst Structures - The Influence of Structure Geometry and Transient Temperature Inhomogeneities." In Powertrain & Fluid Systems Conference and Exhibition. SAE International, 2006. http://dx.doi.org/10.4271/2006-01-3288.

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Viswanathan, Sandeep, Stephen S. Sakai, Mitchell Hageman, et al. "Effect of Particle Size Distribution on the Deep-Bed Capture Efficiency of an Exhaust Particulate Filter." In ASME 2014 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icef2014-5464.

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The exhaust filtration analysis system (EFA) developed at the University of Wisconsin – Madison was used to perform micro-scale filtration experiments on cordierite filter samples using particulate matter (PM) generated by a spark-ignition direct injection (SIDI) engine fueled with gasoline. A scanning mobility particle sizer (SMPS) was used to characterize running conditions with four distinct particle size distributions (PSDs). The distributions selected differed in the relative number of accumulation versus nucleation mode particles. The SMPS and an engine exhaust particle sizer (EEPS) were
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Castorrini, Alessio, Paolo Venturini, Alessandro Corsini, and Franco Rispoli. "Simulation of the Deposit Evolution on a Fan Blade for Tunnel Ventilation." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91290.

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Abstract Fans used in tunnel ventilation operate for decades in an atmosphere that carries dust, soot, and other solid particles. The formation of deposit on the rotor blades, considering a so long time of exposition to this particle-laden flow, is highly probable. A not negligible quantity of deposited material can produce damages on the performance of the fan, but also mass unbalancing, which is potentially dangerous for the structural integrity of the fan components. We applied our simulation tool to study a case of deposition on a large axial fan blade, used for tunnel ventilation. The out
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Mazumder, Malay K., Mark N. Horenstein, Jeremy W. Stark, et al. "Self-Cleaning Solar Mirrors Using Electrodynamic Dust Shield: Prospects and Progress." In ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/es2014-6696.

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Parabolic trough and power tower technologies provide inherent advantage of thermal energy storage and high efficiency of the Concentrating Solar Power (CSP) systems for utility scale solar plants. High efficiency CSP power generation with minimal water use is one of the SunShot goals of the US Department of Energy. The specular reflectance efficiency of the solar mirrors plays a critical role in the efficiency of power generation. The optical surface of the mirrors and the receiver must be kept clean for efficient operation of the plant. Some environmental challenges in operating the large-sc
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Nastic, A., B. Jodoin, D. Poirier, and J. G. Legoux. "Powder Impact Temperature Influence on Metallurgical Bonding—An Investigation for Soft Particle Deposition on Hard Substrate." In ITSC2021, edited by F. Azarmi, X. Chen, J. Cizek, et al. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.itsc2021p0189.

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Abstract Segregating the convoluted effects of particle size; impact temperature and velocity on deposition behavior and adhesion is of utmost interest to the cold spray field. The current study aims to associate the particle impact behavior and adhesion to its in-flight characteristics by studying and decoupling the influence of particle size; temperature and velocity for single particle impacts and full coatings. Experimental results reveal that in-situ peening processes contribute to the adhesion at low impact temperature while η (V.VC) controls the adhesion/cohesion at increased particle i
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Chiatti, Giancarlo, and Ornella Chiavola. "Particulate Deposition Modeling in Diesel Filter." In ASME 2004 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/icef2004-0981.

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The objective of this work is to evaluate the possibility of extracting information about the filter loading status from the running history of the engine and to assess the interaction between spatial deposition of soot inside the porous wall and the engine operating conditions. The attention is drawn to the non-uniform particles distribution on the channels which may compromise the filter safety as during the thermal regeneration process, the evolution of particulate oxidation results in temperature differences in the soot layer and critical overheating phenomena may originate. CFD simulation
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Patel, Nikhil, and Darren D. Schmidt. "Biomass Boundary Layer Turbine Power System." In 2002 International Joint Power Generation Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/ijpgc2002-26035.

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A “Boundary Layer Turbine” (BLT), with a specially designed multiple-disk rotor consisting of a number of closely packed parallel disks fixed to the shaft, was used to demonstrate direct conversion of biomass for small-scale distributed power generation. The turbine operates under the effect of skin friction drag exerted on the parallel plates, resulting from the flow of hot gases between the parallel plates. This concept is well known for its resistance to erosion when pumping viscous fluids, and the technology has been developed for commercial pump applications but not for a turbine. The tur
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Ortiz-Fernandez, R., and B. Jodoin. "Hybrid Additive Manufacturing Technology—Induction Heating Cold Spray." In ITSC2021, edited by F. Azarmi, X. Chen, J. Cizek, et al. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.itsc2021p0107.

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Abstract Cold Spray (CS) has gained special interest as a coating method due to the production of low oxide content deposits and solid-state deposition of powder material. This paper investigates the interaction between an electromagnetic field and cold-sprayed coatings produced using an induction heating cold spray (IHCS) system. It also investigates the role of the initial substrate surface temperature. The soft/hard material combination was used for depositing pure aluminum on Ti64 substrates. To assess the performance of the IHCS technique, deposition efficiency and adhesion and tensile st
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Reports on the topic "Soot particle deposition"

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Hayashi, Hidemitsu, and Shuichi Kubo. Computer Simulation Study on Deposition of Soot Particles in Diesel Particulate Filter. SAE International, 2005. http://dx.doi.org/10.4271/2005-08-0496.

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