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37 produkter

Advances in LES of Complex Flows
Proceedings of the Euromech Colloquium 412, held in Munich, Germany 4∓6 October 2000
AvWolfgang Rodi,Rainer Friedrich
E-bok
PDF, Engelska, 2006
2 065 kr
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The articles focus on new developments in the field of large-eddy simulation of complex flows and are related to the topics: modelling and analysis of subgrid scales, numerical issues in LES cartesian grids for complex geometries, curvilinear and non-structured grids for complex geometries. DES and RANS-LES coupling, aircraft wake vortices, combustion and magnetohydrodynamics.
Progress has been made not only in understanding and modelling the dynamics of unresolved scales, but also in designing means that prevent the contamination of LES predictions by discretization errors. Progress is reported as well on the use of cartesian and curvilinear coordinates to compute flow in and around complex geometries and in the field of LES with unstructured grids. A chapter is dedicated to the detached-eddy simulation technique and its recent achievements and to the promising technique of coupling RANS and LES solutions in order to push the resolution-based Reynolds number limit of wall-resolving LES to higher values.
Complexity due to physical mechanisms links the last two chapters. It is shown that LES constitutes the tool to analyse the physics of aircraft wake vortices during landing and takeoff. Its thorough understanding is a prerequisite for reliable predictions of the distance between consecutive landing airplanes. Subgrid combustion modelling for LES of single and two-phase reacting flows is demonstrated to have the potential to deal with finite-rate kinetics in high Reynolds number flows of full-scale gas turbine engines. Fluctuating magnetic fields are more reliably predicted by LES when tensor-diffusivity rather than gradient-diffusion models are used. An encouraging result in the context of turbulence control by magnetic fields.
Direct and Large-Eddy Simulation IV
AvBernard Geurts,Rainer Friedrichm. fl.
Inbunden, Engelska, 2001
2 220 kr
Skickas inom 10-15 vardagar
The workshop 'Direct and Large-Eddy Simulation-4' was held at the Uni versity ofTwente, July 18-20, 2001. DLES4is part of a series ofERCOFfAC workshops that originated at the University of Surrey in 1994. Over the years the DLES-series has grown into a major international venue focused on the development and application of direct and large-eddy simulation. Fundamental turbulence - and modeling issues but also elements from modem numerical analysis are at the heart of this field of interest, a fact which is clearly reflected by the contents of these proceedings. Modeling and simulation of complex flow phenomena forms a central ele ment in a large volume of scientific - and applied research. The problem of simulating turbulent flows and capturing their main dynamical features remains a highly motivating challenge. This three-day workshop focused on recent de velopments in numerical and physical modeling of complex flow phenomena concentrating on modem strategies in the field of direct and large-eddy simula tion. A major aim was to promote the exchange of ideas and problems from both industrial and academic background paying attention to physical, mathematical and engineering aspects.
Del 65 - Fluid Mechanics and Its Applications
Advances in LES of Complex Flows
Proceedings of the Euromech Colloquium 412, held in Munich, Germany 4∓6 October 2000
AvRainer Friedrich,Wolfgang Rodi
Inbunden, Engelska, 2002
1 666 kr
Skickas inom 10-15 vardagar
This volume contains selected presentations of the "EUROMECH Colloquium 412 on LES of complex transitional and turbulent flows", held at the Munich University of Technology from 4 to 6 October 2000. The articles focus on developments in the field of large-eddy simulation of complex flows and are related to the topics: modelling and analysis of subgrid scales; numerical issues in LES cartesian grids for complex geometries; curvilinear and non-structured grids for complex geometries; DES and RANS-LES coupling; aircraft wake vortices; and combustion and magnetohydrodynamics. Progress has been made not only in understanding and modelling the dynamics of unresolved scales, but also in designing means that prevent the contamination of LES predictions by discretization errors. Progress is reported as well on the use of cartesian and curvilinear coordinates to compute flow in and around complex geometries and in the field of LES with unstructured grids.A chapter is dedicated to the detached-eddy simulation technique and its recent achievements and to the promising technique of coupling RANS and LES solutions in order to push the resolution-based Reynolds number limit of wall-resolving LES to higher values. Complexity due to physical mechanisms links the last two chapters. It is shown that LES constitutes the tool to analyse the physics of aircraft wake vortices during landing and takeoff. Its thorough understanding is a prerequisite for reliable predictions of the distance between consecutive landing airplanes. Subgrid combustion modelling for LES of single and two-phase reacting flows is demonstrated to have the potential to deal with finite-rate kinetics in high Reynolds number flows of full-scale gas turbine engines. Fluctuating magnetic fields are more reliably predicted by LES when tensor-diffusivity rather than gradient-diffusion models are used - an encouraging result in the context of turbulence control by magnetic fields.
Direct and Large-Eddy Simulation V
Proceedings of the fifth international ERCOFTAC Workshop on direct and large-eddy simulation held at the Munich University of Technology, August 27–29, 2003
AvRainer Friedrich,Bernard Geurtsm. fl.
Inbunden, Engelska, 2004
2 220 kr
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The fifth ERCOFfAC workshop 'Direct and Large-Eddy Simulation-5' (DLES-5) was held at the Munich University of Technology, August 27-29, 2003. It is part of a series of workshops that originated at the University of Surrey in 1994 with the intention to provide a forum for presentation and dis cussion of recent developments in the field of direct and large-eddy simula tion. Over the years the DLES-series has grown into a major international venue focussed on all aspects of DNS and LES, but also on hybrid methods like RANSILES coupling and detached-eddy simulation designed to provide reliable answers to technical flow problems at reasonable computational cost. DLES-5 was attended by 111 delegates from 15 countries. Its three-day pro gramme covered ten invited lectures and 63 original contributions partially pre sented in parallel sessions. The workshop was financially supported by the fol lowing companies, institutions and organizations: ANSYS Germany GmbH, AUDI AG, BMW Group, ERCOFfAC, FORTVER (Bavarian Research Asso ciation on Combustion), JM BURGERS CENTRE for Fluid Dynamics. Their help is gratefully acknowledged. The present Proceedings contain the written versions of nine invited lectures and fifty-nine selected and reviewed contributions which are organized in four parts: 1 Issues in LES modelling and numerics 2 Laminar-turbulent transition 3 Turbulent flows involving complex physical phenomena 4 Turbulent flows in complex geometries and in technical applications.
Direct and Large-Eddy Simulation V
Proceedings of the fifth international ERCOFTAC Workshop on direct and large-eddy simulation held at the Munich University of Technology, August 27–29, 2003
AvOlivier Metais,Bernard Geurtsm. fl.
E-bok
PDF, Engelska, 2004
2 833 kr
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The fifth ERCOFfAC workshop ''Direct and Large-Eddy Simulation-5'' (DLES-5) was held at the Munich University of Technology, August 27-29, 2003. It is part of a series of workshops that originated at the University of Surrey in 1994 with the intention to provide a forum for presentation and dis cussion of recent developments in the field of direct and large-eddy simula tion. Over the years the DLES-series has grown into a major international venue focussed on all aspects of DNS and LES, but also on hybrid methods like RANSILES coupling and detached-eddy simulation designed to provide reliable answers to technical flow problems at reasonable computational cost. DLES-5 was attended by 111 delegates from 15 countries. Its three-day pro gramme covered ten invited lectures and 63 original contributions partially pre sented in parallel sessions. The workshop was financially supported by the fol lowing companies, institutions and organizations: ANSYS Germany GmbH, AUDI AG, BMW Group, ERCOFfAC, FORTVER (Bavarian Research Asso ciation on Combustion), JM BURGERS CENTRE for Fluid Dynamics. Their help is gratefully acknowledged. The present Proceedings contain the written versions of nine invited lectures and fifty-nine selected and reviewed contributions which are organized in four parts: 1 Issues in LES modelling and numerics 2 Laminar-turbulent transition 3 Turbulent flows involving complex physical phenomena 4 Turbulent flows in complex geometries and in technical applications.
Direct and Large-Eddy Simulation VI
Proceedings of the Sixth International ERCOFTAC Workshop on Direct and Large-Eddy Simulation, held at the University of Poitiers, September 12-14, 2005
AvE. Lamballais,Rainer Friedrichm. fl.
Inbunden, Engelska, 2006
3 326 kr
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The sixth ERCOFTAC Workshop on ‘Direct and Large-Eddy Simulation’ (DLES-6) was held at the University of Poitiers from September 12-14, 2005. Following the tradition of previous workshops in the DLES-series, this edition has reflected the state of the art of numerical simulation of transitional and turbulent flows and provided an active forum for discussion of recent developments in simulation techniques and understanding of flow physics. At a fundamental level this workshop addressed numerous theoretical and physical aspects of transitional and turbulent flows. At an applied level it contributed to the solution of problems related to energy production, transportation and the environment. Since the prediction and analysis of fluid turbulence and transition continues to challenge engineers, mathematicians and physicists, DLES-6 covered a large range of topics, from the more technical ones like numerical methods, initial and inflow conditions, the coupling of RANS and LES zones, subgrid and wall modelling to topics with a stronger focus on flow physics such as aero-acoustics, compressible and geophysical flows, flow control, multiphase flow and turbulent combustion, to quote only a few. The present proceedings contain the written versions of 7 invited lectures and 82 selected and reviewed contributions which are organized in 16 parts entitled Turbulent Mixing and Combustion; Subgrid Modelling; Flows involving Curvature, Rotation and Swirl; Free Turbulent Flows; Multiphase Flows; Wall Models for LES; Complex Geometries and Boundary Conditions; Flow Control; Heat Transfer; Aeroacoustics; Variable Density Flows; Inflow/Initial conditions; Separated/Reattached Flows; Hybrid RANS-LES Approach; Compressible Flows; and Numerical Techniques and POD.
Direct and Large-Eddy Simulation VI
Proceedings of the Sixth International ERCOFTAC Workshop on Direct and Large-Eddy Simulation, held at the University of Poitiers, September 12-14, 2005
AvOlivier Metais,Bernard J. Geurtsm. fl.
E-bok
PDF, Engelska, 2006
3 978 kr
Läs direkt efter köp
The sixth ERCOFTAC Workshop on ‘Direct and Large-Eddy Simulation’ (DLES-6) was held at the University of Poitiers from September 12-14, 2005. Following the tradition of previous workshops in the DLES-series, this edition has reflected the state of the art of numerical simulation of transitional and turbulent flows and provided an active forum for discussion of recent developments in simulation techniques and understanding of flow physics. At a fundamental level this workshop addressed numerous theoretical and physical aspects of transitional and turbulent flows. At an applied level it contributed to the solution of problems related to energy production, transportation and the environment. Since the prediction and analysis of fluid turbulence and transition continues to challenge engineers, mathematicians and physicists, DLES-6 covered a large range of topics, from the more technical ones like numerical methods, initial and inflow conditions, the coupling of RANS and LES zones, subgrid and wall modelling to topics with a stronger focus on flow physics such as aero-acoustics, compressible and geophysical flows, flow control, multiphase flow and turbulent combustion, to quote only a few. The present proceedings contain the written versions of 7 invited lectures and 82 selected and reviewed contributions which are organized in 16 parts entitled Turbulent Mixing and Combustion; Subgrid Modelling; Flows involving Curvature, Rotation and Swirl; Free Turbulent Flows; Multiphase Flows; Wall Models for LES; Complex Geometries and Boundary Conditions; Flow Control; Heat Transfer; Aeroacoustics; Variable Density Flows; Inflow/Initial conditions; Separated/Reattached Flows; Hybrid RANS-LES Approach; Compressible Flows; and Numerical Techniques and POD.
Del 146 - Kantstudien-Erganzungshefte
Eigentum und Staatsbegründung in Kants 'Metaphysik der Sitten'
AvRainer Friedrich
Inbunden, Tyska, 2004
1 388 kr
Skickas
Unlike conventional interpretations of Kant's Rechtslehre, Rainer Friedrich demonstrates that Kant does not derive the necessity of a state of public law from natural property law. Rather, the innate human right of liberty forms the subjective legal basis of the state.The close textual analysis both consults the preparatory studies to the doctrine of law and virtue and Kant's relevant lectures and considers contemporary commentaries. The study emphasizes the systematicity of duty underlying the Rechtslehre, Kant's doctrine of subjective rights, the doctrine of original acquisition and the significance of the general will for private law, together with the transition from private to public law. Rainer Friedrich provides a coherent historically and systematically arranged reconstruction of Kant's rationality of law.
Eigentum und Staatsbegründung in Kants 'Metaphysik der Sitten'
AvRainer Friedrich
E-bok
PDF, Tyska, 2012
1 472 kr
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Im Gegensatz zu gängigen Interpretationen der Kant''schen Rechtslehre zeigt Rainer Friedrich, dass Kant die Notwendigkeit eines öffentlich-rechtlichen Zustandes nicht aus dem natürlichen Eigentumsrecht ableitet. Stattdessen bildet allein das angeborene Menschenrecht der Freiheit die subjektiv-rechtliche Grundlage des Staates.

Die textnahe Analyse zieht neben den Vorarbeiten zur Rechts- und Tugendlehre sowie Kants einschlägigen Vorlesungen auch zeitgenössische Kommentare heran. Schwerpunkte der Untersuchung bilden die der Rechtslehre zugrunde liegende Pflichtensystematik, Kants Lehre der subjektiven Rechte, die Lehre der ursprünglichen Erwerbung und die Bedeutung des allgemeinen Willens für das Privatrecht sowie der Übergang vom Privatrecht zum öffentlichen Recht.

Rainer Friedrich legt eine kohärente, historisch und systematisch angelegte, Rekonstruktion von Kants Vernunftrecht vor.
Postoral Homer
Orality and Literacy in the Homeric Epic
AvRainer Friedrich
E-bok
PDF, Engelska, 2019
769 kr
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Milman Parry's comparative study of Homer and Southslavic oral song had demonstrated the existence of an oral tradition behind and within the Homeric Epic, thus establishing an indisputable link between Homer and oral poetry. Yet its exact nature has remained a moot point. For equally indisputable is the fact of the coexistence of oral and literate features within the Homeric Epic. Thus not behaving as either a straight oral song or as a straight literate text tout court, the Homeric Epic calls into question the prevailing Parryist axiom of the oral Homer. The link between Homer and oral poetry has thus become an open question again: it is, in fact, the New Homeric Question that turns on the roles of orality and literacy in the genesis of the Homeric Epic. To clarify it this e-book experiments with a third term: postorality. As a postoral poet, having initially been trained as an oral bard absorbing the Hellenic oral tradition, Homer would have acquired literacy in the course of his career as an oral singer. It enabled him to widen, deepen, and refine his epic art, thereby giving rise to an epic as complex and unique, in terms of structure, characterization, and intellectual substance, as the Iliad.
Emissions of Air Pollutants
Measurements, Calculations and Uncertainties
AvRainer Friedrich,Stefan Reis
Inbunden, Engelska, 2004
1 666 kr
Skickas inom 10-15 vardagar
The scientific work described in this book is the result of an international coopera tion of over 60 researchers from many different European countries over more than 10 years. Considerable advances have been made in the development, appli cation and improvement of methods and models for the calculation of emissions. Work on the quantification of uncertainties of emission data could be enhanced and carried out and uncertainty assessments conducted. The developed methods present the current state of the art in this field. Collaboration of teams has taken place under the EUROTRAC, the EUREKA project on the transport and chemical transformation of trace constituents in the troposphere over Europe extensive and networks of joint research work could be established across Europe. The editors wish to express their gratitude to all contributing authors and their teams for their cooperation, without which this book could never have been com piled. Furthermore, authors and editors alike are much obliged to the International Scientific Secretariate (ISS) of EUROTRAC, in particular Dr. Pauline Midgley, for outstanding support in the preparation of this book.
Environmental External Costs of Transport
AvPeter Bickel,Rainer Friedrich
Inbunden, Engelska, 2001
2 220 kr
Skickas inom 10-15 vardagar
Transport is very important for the economy and our welfare. However, transport also causes a lot of problems, including air pollution. Such problems should be taken into account, when making decisions. A prerequisite for doing so is, that the impacts are known, quantitatively measured and allocated to the different activities in transport. Furthermore, they should be transformed into monetary units to be used as a basis for cost-benefit analyses or as an aid for setting taxes and charges, that reflect the external costs. This book describes a methodology for calculating impacts of transport activities and external costs caused by air pollution and presents numerous applications of this methodology for different transport technologies, locations and policy case studies. The approach has been developed and results have been calculated within the research project 'ExternE Core/Transport', financed to a large extent by the European Commission, Directorate General Research. We would like to thank especially Pierre Vallette and Pekka Jarviletho from the EC for their advice and support. A considerable number of experts with expertise in the different disciplines of this highly interdisciplinary work contributed to this book. The editors would like to thank the authors (see list on p. XV) for their contributions; it is especially remarkable, that the authors helped to make this book an integrated whole instead of a number of independent contributions.
Was kostet uns die Mobilität?
Externe Kosten des Verkehrs
AvPeter Bickel,Rainer Friedrich
Häftad, Tyska, 1994
576 kr
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Ist die steuerliche Belastung der Autofahrer in der bestehenden Höhe berechtigt oder muß sie bei Anwendung des Verursacherprinzips erniedrigt oder gar weiter erhöht werden? Dies ist eine der zentralen Fragen mit denen sich dieses Buch beschäftigt. Die dabei angewandte Methode ist die Ermittlung der externen Kosten, also die Monetarisierung der auftretenden Schäden. Neben den Aufwendungen für den Bau und Unterhalt von Verkehrswegen sind dies vor allem Schäden an Personen, Umwelt und Materialien, die zu einem großen Teil von der Allgemeinheit getragen werden müssen. Die Autoren stellen damit rationale, nachvollziehbare Grundlagen für die aktuelle umwelt- und verkehrspolitische Diskussion zu Verfügung.
Tropospheric Modelling and Emission Estimation
Chemical Transport and Emission Modelling on Regional, Global and Urban Scales Chemistry Chemistry
AvAdolf Ebel,Rainer Friedrichm. fl.
Inbunden, Engelska, 1997
1 666 kr
Skickas inom 10-15 vardagar
The end result of policy-related experimental and theoretical scientific work on the abatement of atmospheric emissions is a hierarchy of computer models that can be used to analyse and predict the behaviour of pollutants on urban, local regional and global scales. Such models are required to simulate an extremely complex natural situation in which a non-linear chemistry must be included together with the vagaries of the meteorology and the terrain. This book describes recent advances in the development and application of models on all scales, and in the techniques for the estimation and verification of emissions. It includes reviews of recent work together with detailed results and provides a useful picture of the field in a European context.
Umwelt- und Gesundheitsschäden durch die Stromerzeugung
Externe Kosten von Stromerzeugungssystemen
AvRainer Friedrich,Wolfram Krewitt
Häftad, Tyska, 1997
576 kr
Skickas inom 10-15 vardagar
Dieses Buch bietet eine Fülle von Fakten und Argumenten für alle, die sich für die Bewertung von Stromerzeugungstechniken und der Gestaltung der künftigen Stromversorgung interessieren. Es liefert - unter anderem - konkrete Anhaltspunkte für die Ausgestaltung einer ökologischen Steuerreform. Es werden die wichtigsten Umwelt- und Gesundheitsschäden, die durch fossile, regenerative und nukleare Stromerzeugungstechniken entstehen, beschrieben und soweit wie möglich quantifiziert. Um diese Schäden vergleichend bewerten zu können, werden sie anschießend monetarisiert, d.h. ausgehend von den Präferenzen der Bevölkerung in sogenannte externe Kosten umgerechnet.
Emissions of Air Pollutants
Measurements, Calculations and Uncertainties
AvRainer Friedrich,Stefan Reis
Häftad, Engelska, 2010
1 666 kr
Skickas inom 10-15 vardagar
The scientific work described in this book is the result of an international coopera tion of over 60 researchers from many different European countries over more than 10 years. Considerable advances have been made in the development, appli cation and improvement of methods and models for the calculation of emissions. Work on the quantification of uncertainties of emission data could be enhanced and carried out and uncertainty assessments conducted. The developed methods present the current state of the art in this field. Collaboration of teams has taken place under the EUROTRAC, the EUREKA project on the transport and chemical transformation of trace constituents in the troposphere over Europe extensive and networks of joint research work could be established across Europe. The editors wish to express their gratitude to all contributing authors and their teams for their cooperation, without which this book could never have been com piled. Furthermore, authors and editors alike are much obliged to the International Scientific Secretariate (ISS) of EUROTRAC, in particular Dr. Pauline Midgley, for outstanding support in the preparation of this book.
Environmental External Costs of Transport
AvPeter Bickel,Rainer Friedrich
Häftad, Engelska, 2010
2 220 kr
Skickas inom 10-15 vardagar
Transport is very important for the economy and our welfare. However, transport also causes a lot of problems, including air pollution. Such problems should be taken into account, when making decisions. A prerequisite for doing so is, that the impacts are known, quantitatively measured and allocated to the different activities in transport. Furthermore, they should be transformed into monetary units to be used as a basis for cost-benefit analyses or as an aid for setting taxes and charges, that reflect the external costs. This book describes a methodology for calculating impacts of transport activities and external costs caused by air pollution and presents numerous applications of this methodology for different transport technologies, locations and policy case studies. The approach has been developed and results have been calculated within the research project 'ExternE Core/Transport', financed to a large extent by the European Commission, Directorate General Research. We would like to thank especially Pierre Vallette and Pekka Jarviletho from the EC for their advice and support. A considerable number of experts with expertise in the different disciplines of this highly interdisciplinary work contributed to this book. The editors would like to thank the authors (see list on p. XV) for their contributions; it is especially remarkable, that the authors helped to make this book an integrated whole instead of a number of independent contributions.
Tropospheric Modelling and Emission Estimation
Chemical Transport and Emission Modelling on Regional, Global and Urban Scales Chemistry Chemistry
AvAdolf Ebel,Rainer Friedrichm. fl.
Häftad, Engelska, 2010
1 666 kr
Skickas inom 10-15 vardagar
The end result of policy-related experimental and theoretical scientific work on the abatement of atmospheric emissions is a hierarchy of computer models that can be used to analyse and predict the behaviour of pollutants on urban, local regional and global scales. Such models are required to simulate an extremely complex natural situation in which a non-linear chemistry must be included together with the vagaries of the meteorology and the terrain. This book describes recent advances in the development and application of models on all scales, and in the techniques for the estimation and verification of emissions. It includes reviews of recent work together with detailed results and provides a useful picture of the field in a European context.
Umweltpolitische Maßnahmen zur Luftreinhaltung
Kosten-Nutzen-Analyse
AvRainer Friedrich
E-bok
PDF, Tyska, 2013
383 kr
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Die schädlichen Auswirkungen der Luftverschmutzung sind sowohl ein ökologisches als auch ein ökonomisches Problem. Der Autor zeigt mit wissenschaftlicher Methodik, welche technischen Maßnahmen zur Schadstoffreduzierung am effektivsten sind und mit welchen politischen Instrumenten sie sich am wirksamsten durchsetzen lassen.
Umweltpolitische Maßnahmen zur Luftreinhaltung
Kosten-Nutzen-Analyse
AvRainer Friedrich
Häftad, Tyska, 2012
400 kr
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Tropospheric Ozone Abatement
Developing Efficient Strategies for the Reduction of Ozone Precursor Emissions in Europe
AvStefan Reis,Rainer Friedrich
E-bok
PDF, Engelska, 2012
1 427 kr
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The occurrence of high concentrations of ozone during summer episodes in the troposphere over Europe is a problem still unsolved. Although a number· of measures have been implemented that will achieve a further reduction of precursor emissions in the next years, this will not be sufficient to reduce the ozone concentration to levels below thresholds set up to protect human health and plants. Thus, further reductions of emissions of volatile organic compounds and nitrogen oxides are necessary. However, with regard to the increasing costs associated with increasing emission reduction, it is essential to implement abatement strategies, that are effective, i.e. achieving the environmental aim set up, and efficient, i. e. doing this with the least costs possible. In this book, the authors describe the features and the application of a methodology and a model system to identify effective and efficient strategies to reduce ambient concentrations of tropospheric ozone to comply with thresholds set up to protect human health, agricultural crops and ecosystems. Furthermore, macroeconomic impacts of such strategies are addressed and, as burden and benefits of these strategies are not equally distributed between countries, different burden sharing schemes are discussed. The content of this book is based on results of a comprehensive research project, the project INFOS (assessment of policy instruments for efficient ozone abatement strategies in Europe), funded by the European Commission (Directorate General XII) under the Fourth Framework Programme for research, technological development and demonstration activities.
Umwelt- und Gesundheitsschäden durch die Stromerzeugung
Externe Kosten von Stromerzeugungssystemen
AvWolfram Krewitt,Rainer Friedrich
E-bok
PDF, Tyska, 2013
590 kr
Läs direkt efter köp
Dieses Buch bietet eine Fülle von Fakten und Argumenten für alle, die sich für die Bewertung von Stromerzeugungstechniken und der Gestaltung der künftigen Stromversorgung interessieren. Es liefert - unter anderem - konkrete Anhaltspunkte für die Ausgestaltung einer ökologischen Steuerreform. Es werden die wichtigsten Umwelt- und Gesundheitsschäden, die durch fossile, regenerative und nukleare Stromerzeugungstechniken entstehen, beschrieben und soweit wie möglich quantifiziert. Um diese Schäden vergleichend bewerten zu können, werden sie anschießend monetarisiert, d.h. ausgehend von den Präferenzen der Bevölkerung in sogenannte externe Kosten umgerechnet.
Tropospheric Ozone Abatement
Developing Efficient Strategies for the Reduction of Ozone Precursor Emissions in Europe
AvRainer Friedrich,Stefan Reis
Häftad, Engelska, 2011
1 113 kr
Skickas inom 10-15 vardagar
The occurrence of high concentrations of ozone during summer episodes in the troposphere over Europe is a problem still unsolved. Although a number· of measures have been implemented that will achieve a further reduction of precursor emissions in the next years, this will not be sufficient to reduce the ozone concentration to levels below thresholds set up to protect human health and plants. Thus, further reductions of emissions of volatile organic compounds and nitrogen oxides are necessary. However, with regard to the increasing costs associated with increasing emission reduction, it is essential to implement abatement strategies, that are effective, i.e. achieving the environmental aim set up, and efficient, i. e. doing this with the least costs possible. In this book, the authors describe the features and the application of a methodology and a model system to identify effective and efficient strategies to reduce ambient concentrations of tropospheric ozone to comply with thresholds set up to protect human health, agricultural crops and ecosystems. Furthermore, macroeconomic impacts of such strategies are addressed and, as burden and benefits of these strategies are not equally distributed between countries, different burden sharing schemes are discussed. The content of this book is based on results of a comprehensive research project, the project INFOS (assessment of policy instruments for efficient ozone abatement strategies in Europe), funded by the European Commission (Directorate General XII) under the Fourth Framework Programme for research, technological development and demonstration activities.
Turbulent Shear Flows 8
Selected Papers from the Eighth International Symposium on Turbulent Shear Flows, Munich, Germany, September 9 – 11, 1991
AvJames H. Whitelaw,Ulrich Schumannm. fl.
E-bok
PDF, Engelska, 2012
1 427 kr
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This volume contains a selection of the papers presented at the Eighth Symposium on Turbulent Shear Flows held at the Technical University of Munich, 9-11 September 1991. The first of these biennial international symposia was held at the Pennsylvania State Uni versity, USA, in 1977; subsequent symposia have been held at Imperial College, London, England; the University of California, Davis, USA; the University of Karlsruhe, Ger many; Cornell University, Ithaca, USA; the Paul Sabatier University, Toulouse, France; and Stanford University, California, USA. The purpose of this series of symposia is to provide a forum for the presentation and discussion of new developments in the field of turbulence, especially as related to shear flows of importance in engineering and geo physics. From the 330 extended abstracts submitted for this symposium, 145 papers were presented orally and 60 as posters. Out of these, we have selected twenty-four papers for inclusion in this volume, each of which has been revised and extended in accordance with the editors'' recommendations. The following four theme areas were selected after consideration of the quality of the contributions, the importance of the area, and the selection made in earlier volumes: - wall flows, - separated flows, - compressibility effects, - buoyancy, rotation, and curvature effects. As in the past, each section corresponding to the above areas begins with an introduction by an authority in the field that places the individual contributions in context with one another and with related research.
Turbulent Shear Flows 8
Selected Papers from the Eighth International Symposium on Turbulent Shear Flows, Munich, Germany, September 9 – 11, 1991
AvFranz Durst,Rainer Friedrichm. fl.
Häftad, Engelska, 2011
1 113 kr
Skickas inom 10-15 vardagar
This volume contains a selection of the papers presented at the Eighth Symposium on Turbulent Shear Flows held at the Technical University of Munich, 9-11 September 1991. The first of these biennial international symposia was held at the Pennsylvania State Uni versity, USA, in 1977; subsequent symposia have been held at Imperial College, London, England; the University of California, Davis, USA; the University of Karlsruhe, Ger many; Cornell University, Ithaca, USA; the Paul Sabatier University, Toulouse, France; and Stanford University, California, USA. The purpose of this series of symposia is to provide a forum for the presentation and discussion of new developments in the field of turbulence, especially as related to shear flows of importance in engineering and geo physics. From the 330 extended abstracts submitted for this symposium, 145 papers were presented orally and 60 as posters. Out of these, we have selected twenty-four papers for inclusion in this volume, each of which has been revised and extended in accordance with the editors' recommendations. The following four theme areas were selected after consideration of the quality of the contributions, the importance of the area, and the selection made in earlier volumes: - wall flows, - separated flows, - compressibility effects, - buoyancy, rotation, and curvature effects. As in the past, each section corresponding to the above areas begins with an introduction by an authority in the field that places the individual contributions in context with one another and with related research.
Was kostet uns die Mobilität?
Externe Kosten des Verkehrs
AvRainer Friedrich,Peter Bickel
E-bok
PDF, Tyska, 2013
590 kr
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Ist die steuerliche Belastung der Autofahrer in der bestehenden Höhe berechtigt oder muß sie bei Anwendung des Verursacherprinzips erniedrigt oder gar weiter erhöht werden? Dies ist eine der zentralen Fragen mit denen sich dieses Buch beschäftigt. Die dabei angewandte Methode ist die Ermittlung der externen Kosten, also die Monetarisierung der auftretenden Schäden. Neben den Aufwendungen für den Bau und Unterhalt von Verkehrswegen sind dies vor allem Schäden an Personen, Umwelt und Materialien, die zu einem großen Teil von der Allgemeinheit getragen werden müssen. Die Autoren stellen damit rationale, nachvollziehbare Grundlagen für die aktuelle umwelt- und verkehrspolitische Diskussion zu Verfügung.
Tropospheric Modelling and Emission Estimation
Chemical Transport and Emission Modelling on Regional, Global and Urban Scales Chemistry Chemistry
AvHenning Rodhe,Rainer Friedrichm. fl.
E-bok
PDF, Engelska, 2013
2 065 kr
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The end result of policy-related experimental and theoretical scientific work on the abatement of atmospheric emissions is a hierarchy of computer models that can be used to analyse and predict the behaviour of pollutants on urban, local regional and global scales. Such models are required to simulate an extremely complex natural situation in which a non-linear chemistry must be included together with the vagaries of the meteorology and the terrain. This book describes recent advances in the development and application of models on all scales, and in the techniques for the estimation and verification of emissions. It includes reviews of recent work together with detailed results and provides a useful picture of the field in a European context.
Environmental External Costs of Transport
AvRainer Friedrich,Peter Bickel
E-bok
PDF, Engelska, 2013
2 862 kr
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Transport is very important for the economy and our welfare. However, transport also causes a lot of problems, including air pollution. Such problems should be taken into account, when making decisions. A prerequisite for doing so is, that the impacts are known, quantitatively measured and allocated to the different activities in transport. Furthermore, they should be transformed into monetary units to be used as a basis for cost-benefit analyses or as an aid for setting taxes and charges, that reflect the external costs. This book describes a methodology for calculating impacts of transport activities and external costs caused by air pollution and presents numerous applications of this methodology for different transport technologies, locations and policy case studies. The approach has been developed and results have been calculated within the research project ''ExternE Core/Transport'', financed to a large extent by the European Commission, Directorate General Research. We would like to thank especially Pierre Vallette and Pekka Jarviletho from the EC for their advice and support. A considerable number of experts with expertise in the different disciplines of this highly interdisciplinary work contributed to this book. The editors would like to thank the authors (see list on p. XV) for their contributions; it is especially remarkable, that the authors helped to make this book an integrated whole instead of a number of independent contributions.
Environmental External Costs of Transport
AvPeter Bickel,Rainer Friedrich
Engelska, 2013
652 kr
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Emissions of Air Pollutants
Measurements, Calculations and Uncertainties
AvStefan Reis,Rainer Friedrich
E-bok
PDF, Engelska, 2013
2 065 kr
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The scientific work described in this book is the result of an international coopera tion of over 60 researchers from many different European countries over more than 10 years. Considerable advances have been made in the development, appli cation and improvement of methods and models for the calculation of emissions. Work on the quantification of uncertainties of emission data could be enhanced and carried out and uncertainty assessments conducted. The developed methods present the current state of the art in this field. Collaboration of teams has taken place under the EUROTRAC, the EUREKA project on the transport and chemical transformation of trace constituents in the troposphere over Europe extensive and networks of joint research work could be established across Europe. The editors wish to express their gratitude to all contributing authors and their teams for their cooperation, without which this book could never have been com piled. Furthermore, authors and editors alike are much obliged to the International Scientific Secretariate (ISS) of EUROTRAC, in particular Dr. Pauline Midgley, for outstanding support in the preparation of this book.

Rainer Friedrich – författare

Advances in LES of Complex Flows

Direct and Large-Eddy Simulation IV

Advances in LES of Complex Flows

Direct and Large-Eddy Simulation V

Direct and Large-Eddy Simulation V

Direct and Large-Eddy Simulation VI

Direct and Large-Eddy Simulation VI

Eigentum und Staatsbegründung in Kants 'Metaphysik der Sitten'

Eigentum und Staatsbegründung in Kants 'Metaphysik der Sitten'

Postoral Homer

Emissions of Air Pollutants

Environmental External Costs of Transport

Was kostet uns die Mobilität?

Tropospheric Modelling and Emission Estimation

Umwelt- und Gesundheitsschäden durch die Stromerzeugung

Emissions of Air Pollutants

Environmental External Costs of Transport

Tropospheric Modelling and Emission Estimation

Umweltpolitische Maßnahmen zur Luftreinhaltung

Umweltpolitische Maßnahmen zur Luftreinhaltung

Tropospheric Ozone Abatement

Umwelt- und Gesundheitsschäden durch die Stromerzeugung

Tropospheric Ozone Abatement

Turbulent Shear Flows 8

Turbulent Shear Flows 8

Was kostet uns die Mobilität?

Tropospheric Modelling and Emission Estimation

Environmental External Costs of Transport

Environmental External Costs of Transport

Emissions of Air Pollutants