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Particulate Emissions from Vehicles

Inbunden, Engelska, 2008

2 239 kr

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The public health risks posed by automotive particulate emissions are well known. Such particles are sufficiently small to reach the deepest regions of the lungs; and moreover act as carriers for many potentially toxic substances. Historically, diesel engines have been singled out in this regard, but recent research shows the need to consider particulate emissions from gasoline engines as well. Already implicated in more than one respiratory disease, the strongest evidence in recent times points to particle-mediated cardiovascular disorders (strokes and heart attacks). Accordingly, legislation limiting particulate emissions is becoming increasingly stringent, placing great pressure on the automotive industry to produce cleaner vehicles - pressure only heightened by the ever-increasing number of cars on our roads. Particulate Emissions from Vehicles addresses a field of increased international interest and research activity; discusses the impact of new legislation globally on the automotive industry; and explains new ways of measuring particle size, number and composition that are currently under development. The expert analysis and summary of the state-of-the-art, which encompasses the key areas of combustion performance, measurement techniques and toxicology, will appeal to R&D practitioners and engineers working in the automotive industry and related mechanical fields, as well as postgraduate students and researchers of engine technology, air pollution and life/ environmental science. The public health aspects will also appeal to the biomedical research community.

Produktinformation

Utgivningsdatum2008-02-22
Mått168 x 244 x 34 mm
Vikt1 021 g
FormatInbunden
SpråkEngelska
SerieRSP
Antal sidor512
FörlagJohn Wiley & Sons Inc
ISBN9780470724552

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Preface. Acronyms and Abbreviations.Chapter 1. Introduction.Chapter 2. Fundamentals.2.1 Introduction.2.2 Properties of Aerosol Particles.2.2.1 Diameter and Shape.2.2.2 Size Distribution.2.2.3 Transport and Deposition.2.2.4 Transformation and Mutation.2.3 Particles in the Atmosphere.2.3.1 Character and Behaviour.2.3.2 Aerosols in Nature.2.3.3 Anthropogenic Aerosols.2.3.4 Environmental Implications.2.4 Motor Vehicle Particulate.2.4.1 Some Typical Particles Dissected.2.4.2 What happens within the Engine.2.4.3 What Happens within the Exhaust.2.4.4 Number versus Mass.2.5 Closure.Chapter 3. Formation I: Composition.3.1 Introduction.3.2 Carbonaceous Fraction: I.Classical Models.3.2.1 Empiricisms.3.2.2 Inception.3.2.3 Surface Growth.3.2.4 Agglomeration.3.2.5 Oxidation.3.3 Carbonaceous Fraction: II.The Combusting Plume.3.3.1 Historical Overview.3.3.2 Premixed Burn.3.3.3 Mixing-Controlled Burn.3.3.4 Late Burn.3.4 Carbonaceous Fraction: III.Wall Interactions.3.4.1 Theoretical.3.4.2 Experimental.3.5 Ash Fraction.3.5.1 Chemical Reactions.3.5.2 Gas-to-Particle Conversion.3.6 Organic Fraction.3.6.1 Preparatory Chemical Reactions.3.6.2 Chemical Reactions in the Exhaust.3.6.3 Gas-Particle Conversion: Models.3.6.4 Gas-Particle Conversion: Measurements .3.6.5 White Smoke.3.7 Sulphate Fraction.3.7.1 Chemical Reactions.3.7.2 Gas-to-Particle Conversion.3.8 Closure.Chapter 4. Formation II: Location.4.1 Introduction.4.2 Within the Exhaust System.4.2.1 Storage and Release.4.2.2 Deposition within Catalysts.4.3 Within the Exhaust Plume.4.4 Within the Transfer Line.4.5 Within the Dilution Tunnel.4.6 On the Filter.4.7 Closure.Chapter 5. Measurement.5.1 Introduction.5.2 Particulate Measured Conventionally.5.2.1 Drawing a Sample of Exhaust.5.2.2 Diluting the Exhaust.5.2.3 Collection onto a Filter.5.2.4 Fractionation by Gasification.5.2.5 Fractionation by Dissolution.5.3.6 Chemically Assaying the Organic Fraction .5.3.7 Biologically Assaying the Organic Fraction .5.3 Particulate Measured Individually.5.3.1 Inertial Mobility.5.3.2 Electrical Mobility.5.3.3 Laser-Induced Incandescence.5.3.4 Light Scattering.5.4 Particulate Measured Collectively.5.4.1 Photoacousticity.5.4.2 Photoelectricity and Diffusion Charging.5.4.3 Electrical Charge.5.4.4 Flame Ionisation.5.4.5 Mass.5.4.6 Smoke.5.5 Closure.Chapter 6. Characterisation.6.1 Introduction.6.2 Physical Characterisation.6.2.1 Microstructure.6.2.2 Morphology.6.2.3 Density.6.2.4 Surface Area.6.2.5 Electrical Charge.6.3 Chemical Characterisation.6.3.1 Carbonaceous Fraction.6.3.2 Ash Fraction.6.3.3 Organic Fraction.6.3.4 Sulphate Fraction.6.4 Biological Characterisation.6.5 Demographical Characterisation.6.6 Closure.Chapter 7. Abatement.7.1 Introduction.7.2 Fuel Formulation.7.2.1 Sulphur.7.2.2 Hydrocarbons.7.2.3 Oxygenates.7.2.4 Additives.7.2.5 Volatility, Cetane Number and Density.7.3 Fuel Injection.7.3.1 The Injector Nozzle.7.3.2 Injection Pressure.7.3.3 Injection Scheduling.7.4 Exhaust Gas Recirculation.7.5 Induction.7.5.1 External to the Engine.7.5.2 Internal to the Engine.7.6 Lubrication.7.6.1 Oil in Particulate.7.6.2 Particulate in Oil.7.7 Alternative Combustion.7.8 Aftertreatment.7.8.1 Catalytic Converters.7.8.2 Particulate Filters.7.9 Closure.Chapter 8. Gasoline Engines.8.1 Introduction.8.2 A Historical Perspective.8.2.1 Organometallic Fuel Additives and Ash .8.2.2 Oxidation Catalysts and Sulphates.8.3 Port-Injection Engines.8.3.1 Formation.8.3.2 Characterisation.8.3.3 Abatement.8.4 Direct Injection Engines.8.4.1 Formation.8.4.2 Characterisation.8.4.3 Abatement.8.4 Two-Stroke Engines.8.5 Closure.Chapter 9. Disintegration.9.1 Introduction.9.2 Roads.9.3 Brakes.9.4 Tyres.9.5 Exhausts.9.6 Catalysts.9.7 Closure.Chapter 10. Toxicology.10.1 Introduction.10.2 Public Exposure.10.3 Public Health.10.4 Pathogenesis.10.5 Epidemiology.10.6 In Vitro.10.7 In Vivo.10.8 Humans.10.9 Closure.10.10 Glossary.Chapter 11. Closure.11.1 Recommendations for Research.11.2 Smaller Particles in Larger Numbers; or Larger Particles in Smaller Numbers.11.3 Smaller and Smaller and Smaller.11.4 Broader Questions of Policy.Bibliography.Literature Cited.Subject Index.