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1. |
Record Nr. |
UNINA9910818920903321 |
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Autore |
Dorsch Manuel |
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Titolo |
Detailed modeling of si engines in fuel consumption simulations for functional analysis. / / Manuel Dorsch |
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Pubbl/distr/stampa |
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Berlin, Germany : , : Logos Verlag Berlin GmbH, , [2016] |
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ISBN |
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Descrizione fisica |
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1 online resource (159 pages) |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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PublicationDate: 20160630 |
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Sommario/riassunto |
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Long description: The aim of this thesis is to establish a coupled modeling approach to simulate fuel consumption and in-cylinder gas emissions of a passenger car in various driving cycles (NEDC, RDE, WLTP). Combining models of the engine control unit and the mechanical vehicle powertrain with a crank-angle based combustion engine simulation opens up the possibility to support the development and calibration of future engines, demonstrated here for a turbo-charged spark ignited engine with direct injection and a fully-variable valvetrain. Thermodynamic processes are implemented within a 1D gas exchange model which allows to consider not only steady-state but also transient engine operation. The coupled system is extended by calculations of engine-out emissions considering the formation of nitrogen oxide (NOx), carbon monoxide (CO), and hydrocarbons (HC). Furthermore, tailpipe emissions are determined in an additional simulation model. The successful validation of this complex coupling technique is presented with exemplary results from all stages of the validation process. Finally, the advantage of this simulation methodology is shown by several application examples demonstrating the attained capabilities. |
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2. |
Record Nr. |
UNINA9910896352103321 |
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Titolo |
Logos : die Fachzeitschrift für Logopädie und Sprachtherapie |
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Pubbl/distr/stampa |
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Stuttgart : , : G. Fischer |
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Descrizione fisica |
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Disciplina |
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Communicative disorders |
Communicative disorders in children |
Communication Disorders |
Periodical |
Periodicals. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Periodico |
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Note generali |
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3. |
Record Nr. |
UNINA9911019153103321 |
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Titolo |
Modern biocatalysis : stereoselective and environmentally friendly reactions / / edited by Wolf-Dieter Fessner and Thorleif Anthonsen |
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Pubbl/distr/stampa |
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Weinheim, : Wiley-VCH, c2009 |
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ISBN |
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9786612025471 |
9781282025479 |
1282025473 |
9783527623839 |
3527623833 |
9783527623846 |
3527623841 |
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Descrizione fisica |
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1 online resource (401 p.) |
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Classificazione |
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Altri autori (Persone) |
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FessnerW.-D (Wolf-Dieter) |
AnthonsenThorleif |
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Disciplina |
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Soggetti |
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Enzymes - Biotechnology |
Catalysis |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Modern Biocatalysis; Contents; Preface; List of Contributors; 1: Fluorescence Assays for Biotransformations; 1.1 Introduction; 1.2 Alcohol Dehydrogenases (ADHs) and Aldolases; 1.2.1 Chiral Fluorogenic ADH Substrates; 1.2.2 Fluorogenic Aldolase Probes; 1.2.3 Transaldolases and Transketolases; 1.2.4 Enolase Probe; 1.3 Lipases and Esterases; 1.3.1 Assays on Solid Support; 1.3.2 The Clips-O Substrates with Periodate; 1.3.3 Esters of Fluorogenic Cyanohydrins and Hydroxyketones; 1.3.4 Fluorogenic Acyloxymethyl Ethers; 1.3.5 FRET-Lipase Probes; 1.4 Other Hydrolases; 1.4.1 Epoxide Hydrolases |
1.4.2 Amidases and Proteases1.4.3 Phosphatases; 1.5 Baeyer-Villigerases; 1.6 Conclusion; Acknowledgment; References; 2: Immobilization as a Tool for Improving Enzymes; 2.1 Introduction; 2.2 Adsorption/Electrostatic Interactions; 2.2.1 Van der Waals Interactions; 2.2.2 Hydrogen Bonds; 2.2.3 Ionic Interactions; 2.3 Encapsulation; 2.4 |
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Covalent Binding/Cross-linking; 2.5 Conclusion; Acknowledgments; References; 3: Continuous-flow Microchannel Reactors with Surface-immobilized Biocatalysts; 3.1 Introduction |
3.2 Biocatalytic Synthesis Using Microreaction Technology with Free and Immobilized Enzymes3.3 Novel Microfluidic Immobilized Enzyme Reactors; 3.3.1 Microreactor Design; 3.3.2 Enzyme Immobilization; 3.4 Enzymatic Hydrolysis of Lactose; 3.4.1 Catalytic Effectiveness of Immobilized CelB; 3.4.2 Continuous Conversion of Lactose; 3.5 Biocatalytic Process Intensification Using Microreaction Technology; 3.6 Conclusions and Outlook; Acknowledgements; References; 4: Activity and Stability of Proteases in Hydrophilic Solvents; 4.1 Introduction |
4.2 Activity and Selectivity of Proteases in Synthesis of Carbohydrate Fatty Acid Esters4.3 Enzyme Stability and Conformation; 4.4 Solvent Engineering; 4.5 Conclusion; References; 5: Importance of Enzyme Formulation for the Activity and Enantioselectivity of Lipases in Organic Solvents; 5.1 Introduction; 5.2 Lipase Formulations and their Activity and Enantioselectivity in Neat Organic Solvent; 5.3 Why do Additives Affect the Activity and Enantioselectivity of Lipases in Organic Solvent?; 5.4 Conclusions; References |
6: Direct Esterification with Dry Mycelia of Molds: a (Stereo)selective, Mild and Efficient Method for Obtaining Structurally Diverse Esters6.1 Mycelia and Biotransformations in Organic Media; 6.2 Screening and Microbiological Aspects; 6.3 Production of Acetates; 6.4 Stereoselective Esterifications of Racemic Alcohols; 6.5 Stereoselective Esterifications of Racemic Carboxylic Acids; 6.6 Partition Phenomena and Equilibrium of Esterification Reactions; 6.7 Conclusions; References; 7: Factors Affecting Enantioselectivity: Allosteric Effects; 7.1 How to Provide Enantiopure Compounds |
7.1.1 Kinetic Resolution of Racemic Mixtures Catalyzed by Enzymes |
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Sommario/riassunto |
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This reference covers the wide and rapidly growing field of biocatalysis. It combines complementary expertise from such areas as microbiology, enzymology, molecular biology structural biology and organic chemistry, thus highlighting the interdisciplinary nature of the subject.With its special focus on progress and new developments towards environmentally beneficial reactions with high levels of selectivity for the production of key compound classes, this book will enlighten both chemists and biologists as to the advances and opportunities existing in enzyme catalysis. |
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