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The great challenge for next years concerning the emission of diesel engines is to develop diesel particle filters (DPF) with catalytic regeneration systems. This work is focused on the global understanding of the diesel soot oxidation on sintered metal filters (SMF). Platinum is studied as reference catalyst. The first objective is to determine which of platinum quantity, platinum particle size, or platinum location exhibits the preponderant influence on the catalytic.

platinum --- soot --- catalytic oxidation

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Emission limits are being steadily tightened. This requires an ever increasing reduction of combustion generated pollutants. This book focuses on soot and NO and their heterogeneous interactions. With the help of laser spectroscopic methods and mathematical modeling of flames, a heterogeneous reaction mechanism for surface reactions can be validated and a significant influence on precursor reactions of soot formation can be shown.

Verbrennung --- Laserspektroskopie --- Oberflächenreaktioncombustion --- nitric oxide --- soot --- surface oxidation --- Stickoxid --- laser spectroscopy --- Ruß

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Carcinogens --- Gases, Asphyxiating and poisonous --- Soot --- Lungs --- Carcinogens, Environmental --- Inhalation Exposure --- Lung Neoplasms --- Talc --- Titanium --- Toxicology --- Dust diseases --- Tumors --- adverse effects --- chemically induced --- toxicity

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This thesis presents research focusing on the improvement of high-resolution global black carbon (BC) emission inventory and application in assessing the population exposure to ambient BC. A particular focus of the thesis is on the construction of a high-resolution (both spatial and sectorial) fuel consumption database, which is used to develop the emission inventory of black carbon. Above all, the author updates the global emission inventory of black carbon, a resource subsequently used to study the atmospheric transport of black carbon over Asia with the help of a high-resolution nested model. The thesis demonstrates that spatial bias in fuel consumption and BC emissions can be reduced by means of the sub-national disaggregation approach. Using the inventory and nested model, ambient BC concentrations can be better validated against observations. Lastly, it provides a complete uncertainty analysis of global black carbon emissions, and this uncertainty is taken into account in the atmospheric modeling, helping to better understand the role of black carbon in regional and global air pollution.

Environment. --- Atmospheric Protection/Air Quality Control/Air Pollution. --- Atmospheric Sciences. --- Climate Change. --- Environmental sciences. --- Climatic changes. --- Environmental protection. --- Sciences de l'environnement --- Climat --- Environnement --- Changements --- Protection --- Air -- Pollution. --- Atmosphere. --- Soot. --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Environmental Engineering --- Air --- Pollution. --- Air contaminants --- Air pollutants --- Air pollution --- Air pollution control --- Air toxics --- Airborne pollutants --- Atmosphere --- Contaminants, Air --- Control of air pollution --- Pollutants, Air --- Toxics, Air --- Black carbon (Soot) --- Pollution --- Control --- Atmospheric sciences. --- Climate change. --- Air pollution. --- Air quality --- Atmospheric deposition --- Dust --- Changes, Climatic --- Changes in climate --- Climate change --- Climate change science --- Climate changes --- Climate variations --- Climatic change --- Climatic changes --- Climatic fluctuations --- Climatic variations --- Global climate changes --- Global climatic changes --- Climatology --- Climate change mitigation --- Teleconnections (Climatology) --- Environmental quality management --- Protection of environment --- Environmental sciences --- Applied ecology --- Environmental engineering --- Environmental policy --- Environmental quality --- Environmental aspects --- Atmospheric sciences --- Earth sciences --- Global environmental change

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This Special Issue will highlight the latest advances in numerical modeling of combustion-related applications. With the recent advancements in computational capacities and the widespread use of simulations in engineering problems, numerical methods are becoming increasingly important to improve existing models and develop new models that can help researchers to better understand the underlying mechanisms of combustion, their interaction with other physical phenomena, such as turbulence, and their impacts on the performance of related applications at both fundamental and practical levels.

Technology: general issues --- History of engineering & technology --- gas fire suppression --- inert gas agents --- agent quantity --- discharge rate --- ventilation rate --- premixed combustion --- obstructed channels --- flame acceleration --- thermal expansion --- computational simulations --- machine learning --- soot concentration --- soot emissions --- artificial neural network --- estimator --- computational fluid dynamics --- combustion --- biogas --- hydrogen --- laminar flame speed --- correlation --- jet-and-recirculation stabilized combustion --- OH* measurements --- numerical CFD analysis --- RANS modeling --- detailed chemistry schemes --- heat-loss modeling --- low-calorific combustion --- syngas fuel --- micro-combustion --- syngas --- repetitive extinction and ignition (FREI) --- numerical simulations --- flame instabilities --- flame propagation --- closed spherical bomb --- incipient stage --- methane --- N2O --- flash boiling --- gasoline direct injection --- Spray G --- discrete droplet method --- fuel surrogates --- combustion process --- reactivity model --- synthetic jet fuels --- turbine engines --- two-stroke engine --- multiple injection --- emission --- numerical simulation --- computational fluid dynamic (CFD) --- natural gas --- laminar burning velocity (LBV) --- closed vessel combustion --- numerical study --- microcombustion --- complex geometry