Modeling of End-Gas Autoignition for Knock Prediction in Gasoline Engines

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Publisher : Logos Verlag Berlin GmbH
ISBN 13 : 3832542817
Total Pages : 263 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Modeling of End-Gas Autoignition for Knock Prediction in Gasoline Engines by : Andreas Manz

Download or read book Modeling of End-Gas Autoignition for Knock Prediction in Gasoline Engines written by Andreas Manz and published by Logos Verlag Berlin GmbH. This book was released on 2016-08-18 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Downsizing of modern gasoline engines with direct injection is a key concept for achieving future CO22 emission targets. However, high power densities and optimum efficiency are limited by an uncontrolled autoignition of the unburned air-fuel mixture, the so-called spark knock phenomena. By a combination of three-dimensional Computational Fluid Dynamics (3D-CFD) and experiments incorporating optical diagnostics, this work presents an integral approach for predicting combustion and autoignition in Spark Ignition (SI) engines. The turbulent premixed combustion and flame front propagation in 3D-CFD is modeled with the G-equation combustion model, i.e. a laminar flamelet approach, in combination with the level set method. Autoignition in the unburned gas zone is modeled with the Shell model based on reduced chemical reactions using optimized reaction rate coefficients for different octane numbers (ON) as well as engine relevant pressures, temperatures and EGR rates. The basic functionality and sensitivities of improved sub-models, e.g. laminar flame speed, are proven in simplified test cases followed by adequate engine test cases. It is shown that the G-equation combustion model performs well even on unstructured grids with polyhedral cells and coarse grid resolution. The validation of the knock model with respect to temporal and spatial knock onset is done with fiber optical spark plug measurements and statistical evaluation of individual knocking cycles with a frequency based pressure analysis. The results show a good correlation with the Shell autoignition relevant species in the simulation. The combined model approach with G-equation and Shell autoignition in an active formulation enables a realistic representation of thin flame fronts and hence the thermodynamic conditions prior to knocking by taking into account the ignition chemistry in unburned gas, temperature fluctuations and self-acceleration effects due to pre-reactions. By the modeling approach and simulation methodology presented in this work the overall predictive capability for the virtual development of future knockproof SI engines is improved.

Synthetic Liquid Fuels Abstracts

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Publisher :
ISBN 13 :
Total Pages : 684 pages
Book Rating : 4.3/5 (243 download)

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Download or read book Synthetic Liquid Fuels Abstracts written by and published by . This book was released on 1948 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dual-Fuel Diesel Engines

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Publisher : CRC Press
ISBN 13 : 1498703097
Total Pages : 312 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Dual-Fuel Diesel Engines by : Ghazi A. Karim

Download or read book Dual-Fuel Diesel Engines written by Ghazi A. Karim and published by CRC Press. This book was released on 2015-03-02 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dual-Fuel Diesel Engines offers a detailed discussion of different types of dual-fuel diesel engines, the gaseous fuels they can use, and their operational practices. Reflecting cutting-edge advancements in this rapidly expanding field, this timely book:Explains the benefits and challenges associated with internal combustion, compression ignition,

SAE Technical Paper Series

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Publisher :
ISBN 13 :
Total Pages : 732 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis SAE Technical Paper Series by :

Download or read book SAE Technical Paper Series written by and published by . This book was released on 1969 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: Online version: Technical papers portion of the SAE Digital Library references thousands of SAE Technical Papers covering the latest advances and research in all areas of mobility engineering including ground vehicle, aerospace, off-highway, and manufacturing technology. Sample coverage includes fuels and lubricants, emissions, electronics, brakes, restraint systems, noise, engines, materials, lighting, and more. Your SAE service includes detailed summaries, complete documents in PDF, plus document storage and maintenance

Annual Index/abstracts of SAE Technical Papers

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Publisher :
ISBN 13 :
Total Pages : 1000 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Annual Index/abstracts of SAE Technical Papers by :

Download or read book Annual Index/abstracts of SAE Technical Papers written by and published by . This book was released on 2006 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the ... Spring Technical Conference of the ASME Internal Combustion Engine Division

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Publisher :
ISBN 13 :
Total Pages : 864 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings of the ... Spring Technical Conference of the ASME Internal Combustion Engine Division by : American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference

Download or read book Proceedings of the ... Spring Technical Conference of the ASME Internal Combustion Engine Division written by American Society of Mechanical Engineers. Internal Combustion Engine Division. Spring Technical Conference and published by . This book was released on 2006 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Initiation and Flame Propagation in Combustion of Gases and Pyrophoric Metal Nanostructures

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Publisher : Springer Nature
ISBN 13 : 3030578917
Total Pages : 212 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Initiation and Flame Propagation in Combustion of Gases and Pyrophoric Metal Nanostructures by : Nikolai M. Rubtsov

Download or read book Initiation and Flame Propagation in Combustion of Gases and Pyrophoric Metal Nanostructures written by Nikolai M. Rubtsov and published by Springer Nature. This book was released on 2020-10-01 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents new data on combustion processes for practical applications, discussing fire safety issues in the development of flame arresters and the use of noble metals in hydrogen recombiners for nuclear power plants. It establishes the basic principles of production of metal nanostructures, namely nanopowders of metals and compact products made of them, with the preservation of the unique properties of nanoproducts.

Current Abstracts

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Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.3/5 (126 download)

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Book Synopsis Current Abstracts by :

Download or read book Current Abstracts written by and published by . This book was released on 1996-11 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemical Abstracts

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Publisher :
ISBN 13 :
Total Pages : 2018 pages
Book Rating : 4.3/5 (91 download)

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Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2018 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal of Engineering for Gas Turbines and Power

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (318 download)

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S.A.E. Transactions

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Publisher :
ISBN 13 :
Total Pages : 1174 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis S.A.E. Transactions by : Society of Automotive Engineers

Download or read book S.A.E. Transactions written by Society of Automotive Engineers and published by . This book was released on 1981 with total page 1174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning in 1985, one section is devoted to a special topic

SAE Transactions and Literature Developed During ...

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Author :
Publisher :
ISBN 13 :
Total Pages : 440 pages
Book Rating : 4.X/5 (1 download)

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Book Synopsis SAE Transactions and Literature Developed During ... by :

Download or read book SAE Transactions and Literature Developed During ... written by and published by . This book was released on 1982 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the ... Fall Technical Conference of the ASME Internal Combustion Engine Division

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Author :
Publisher :
ISBN 13 :
Total Pages : 724 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Proceedings of the ... Fall Technical Conference of the ASME Internal Combustion Engine Division by : American Society of Mechanical Engineers. Internal Combustion Engine Division. Technical Conference

Download or read book Proceedings of the ... Fall Technical Conference of the ASME Internal Combustion Engine Division written by American Society of Mechanical Engineers. Internal Combustion Engine Division. Technical Conference and published by . This book was released on 2005 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Alcohol Fuels Bibliography

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Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Alcohol Fuels Bibliography by : Solar Energy Research Institute

Download or read book Alcohol Fuels Bibliography written by Solar Energy Research Institute and published by . This book was released on 1981 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Alcohol Fuels Bibliography

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Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.:/5 (319 download)

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Download or read book Alcohol Fuels Bibliography written by and published by . This book was released on 1981 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the Joint Conference on Combustion

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Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings of the Joint Conference on Combustion by : Institution of Mechanical Engineers (Great Britain)

Download or read book Proceedings of the Joint Conference on Combustion written by Institution of Mechanical Engineers (Great Britain) and published by . This book was released on 1955 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the Joint Conference on Combustion [of] the Institution of Mechanical Engineers [and] the American Society of Mechanical Engineers in Boston, Massachusetts, 15th-17th June 1955 [and] in London, 25th-27th October 1955

Download Proceedings of the Joint Conference on Combustion [of] the Institution of Mechanical Engineers [and] the American Society of Mechanical Engineers in Boston, Massachusetts, 15th-17th June 1955 [and] in London, 25th-27th October 1955 PDF Online Free

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Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Proceedings of the Joint Conference on Combustion [of] the Institution of Mechanical Engineers [and] the American Society of Mechanical Engineers in Boston, Massachusetts, 15th-17th June 1955 [and] in London, 25th-27th October 1955 by : Institution of Mechanical Engineers (Great Britain)

Download or read book Proceedings of the Joint Conference on Combustion [of] the Institution of Mechanical Engineers [and] the American Society of Mechanical Engineers in Boston, Massachusetts, 15th-17th June 1955 [and] in London, 25th-27th October 1955 written by Institution of Mechanical Engineers (Great Britain) and published by . This book was released on 1956 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: