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Study On A Multidimensional Instantaneous Heat Transfer Model For The Combustion Chamber Of A Diesel Engine
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Book Synopsis Study on a Multidimensional Instantaneous Heat Transfer Model for the Combustion Chamber of a Diesel Engine by : C. Guohua
Download or read book Study on a Multidimensional Instantaneous Heat Transfer Model for the Combustion Chamber of a Diesel Engine written by C. Guohua and published by . This book was released on 1991 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling of Combustion Chamber Surface Temperatures with Application to Multidimensional Diesel Engine Simulation by : Yong Liu
Download or read book Modeling of Combustion Chamber Surface Temperatures with Application to Multidimensional Diesel Engine Simulation written by Yong Liu and published by . This book was released on 1996 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental and Computational Studies of Combustion and Instantaneous Heat Transfer in a Ceramic Diesel Engine by : Stefan Simescu
Download or read book Experimental and Computational Studies of Combustion and Instantaneous Heat Transfer in a Ceramic Diesel Engine written by Stefan Simescu and published by . This book was released on 1997 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :P. A. Lakshminarayanan Publisher :Springer Science & Business Media ISBN 13 :904813885X Total Pages :313 pages Book Rating :4.0/5 (481 download)
Book Synopsis Modelling Diesel Combustion by : P. A. Lakshminarayanan
Download or read book Modelling Diesel Combustion written by P. A. Lakshminarayanan and published by Springer Science & Business Media. This book was released on 2010-03-03 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phenomenology of Diesel Combustion and Modeling Diesel is the most efficient combustion engine today and it plays an important role in transport of goods and passengers on land and on high seas. The emissions must be controlled as stipulated by the society without sacrificing the legendary fuel economy of the diesel engines. These important drivers caused innovations in diesel engineering like re-entrant combustion chambers in the piston, lower swirl support and high pressure injection, in turn reducing the ignition delay and hence the nitric oxides. The limits on emissions are being continually reduced. The- fore, the required accuracy of the models to predict the emissions and efficiency of the engines is high. The phenomenological combustion models based on physical and chemical description of the processes in the engine are practical to describe diesel engine combustion and to carry out parametric studies. This is because the injection process, which can be relatively well predicted, has the dominant effect on mixture formation and subsequent course of combustion. The need for improving these models by incorporating new developments in engine designs is explained in Chapter 2. With “model based control programs” used in the Electronic Control Units of the engines, phenomenological models are assuming more importance now because the detailed CFD based models are too slow to be handled by the Electronic Control Units. Experimental work is necessary to develop the basic understanding of the pr- esses.
Book Synopsis Multidimensional Modeling of Convective Heat Transfer with Application to IC (internal Combustion) Engines by :
Download or read book Multidimensional Modeling of Convective Heat Transfer with Application to IC (internal Combustion) Engines written by and published by . This book was released on 1987 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this project is to develop a more comprehensive understanding of the convective heat transfer process in complex, unsteady turbulent reacting flows, typical of those which occur in internal combustion engines. The specific area of research will be the representation of heat transfer in detailed multi-dimensional Navier-Stokes models, and modeling of turbulent transport mechanisms. The detailed tasks will include a review of relevant prior work. Based on this review, and original work done under this contract, several modeling approaches will be formulated and further studied and tested. The tests will be carried out on flow cases which have relevance to engine flows, and for which reliable experimental data exist. Such data will be sought and identified. The analytical studies will lead to the determination of the best modeling approaches to be used for heat transfer simulation in internal combustion engines. Following that, a detailed study will be carried out of spatial and temporal heat flux distribution in a representative engine. This will be complemented by a parametric study of engine heat transfer dependence on intake flow details, combustion chamber geometry, engine speed and engine load.
Book Synopsis Advanced Computational Methods and Experiments in Heat Transfer XI by : Bengt Sundén
Download or read book Advanced Computational Methods and Experiments in Heat Transfer XI written by Bengt Sundén and published by WIT Press. This book was released on 2010 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: .".. Eleventh International Conference on Advanced Computational Methods and Experimental Measurements in Heat Transfer and Mass Transfer held in Tallinn, Estonia in 2010"--Pref.
Book Synopsis Multi-dimensional Engine Modeling 2005 by :
Download or read book Multi-dimensional Engine Modeling 2005 written by and published by . This book was released on 2005 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: ... papers from the session Multi-Dimensional Engine Modeling, held during the SAE 2005 World Congress, April 11-14 in Detroit, MI, USA.
Book Synopsis Instantaneous Heat Transfer Rates and Coefficients Between the Gas and Combustion Chamber of a Diesel Engine by : N. A. Henein
Download or read book Instantaneous Heat Transfer Rates and Coefficients Between the Gas and Combustion Chamber of a Diesel Engine written by N. A. Henein and published by . This book was released on 1965 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat and Mass Transfer in Gasoline and Diesel Engines by : Dudley Brian Spalding
Download or read book Heat and Mass Transfer in Gasoline and Diesel Engines written by Dudley Brian Spalding and published by Core/Mechanical. This book was released on 1989 with total page 766 pages. Available in PDF, EPUB and Kindle. Book excerpt: The editors explain that the classical formulae and techniques for predicting heat flow do not apply to the unique conditions found in reciprocating engines. They warn the reader--presumed to be aspiring designers of more efficient and less polluting engines--that although these papers, from every country where engineering is practiced, contain nearly all the available knowledge on the subject, no definitive answers emerge, no breakthroughs loom around the next equation. The topics include the transfer of engine heat and of external heat, numerical flow simulation, applications and devices, ignition and quenching, and measurement techniques. Annotation copyrighted by Book News, Inc., Portland, OR
Author :University of Illinois at Urbana-Champaign. Office of Engineering Publications Publisher : ISBN 13 : Total Pages :408 pages Book Rating :4.:/5 (31 download)
Book Synopsis The Summary of Engineering Research by : University of Illinois at Urbana-Champaign. Office of Engineering Publications
Download or read book The Summary of Engineering Research written by University of Illinois at Urbana-Champaign. Office of Engineering Publications and published by . This book was released on 1992 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Incorporating Advanced Combustion Models to Study Power Density in Diesel Engines by : Daniel Lee
Download or read book Incorporating Advanced Combustion Models to Study Power Density in Diesel Engines written by Daniel Lee and published by . This book was released on 1999 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heat Transfer and Thermal Loading in Internal Combustion Engines by : György Sitkei
Download or read book Heat Transfer and Thermal Loading in Internal Combustion Engines written by György Sitkei and published by . This book was released on 1974 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines by : Marco Chiodi
Download or read book An Innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines written by Marco Chiodi and published by Springer Science & Business Media. This book was released on 2011-03-07 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the engine development process, simulation and predictive programs have continuously gained in reliance. Due to the complexity of future internal combustion engines the application of simulation programs towards a reliable “virtual engine development” is a need that represents one of the greatest challenges. Marco Chiodi presents an innovative 3D-CFD-tool, exclusively dedicated and optimized for the simulation of internal combustion engines. Thanks to improved or newly developed 3D-CFD-models for the description of engine processes, this tool ensures an efficient and reliable calculation also by using coarse 3D-CFD-meshes. Based on this approach the CPU-time can be reduced up to a factor 100 in comparison to traditional 3D-CFD-simulations. In addition an integrated and automatic “evaluation tool” establishes a comprehensive analysis of the relevant engine parameters. Due to the capability of a reliable “virtual development” of full-engines, this fast response 3D-CFD-tool makes a major contribution to the engine development process. Südwestmetall-Förderpreis 2010
Book Synopsis An Experimental Determination of the Instantaneous Potential Radiant Heat Transfer Within an Operating Diesel Engine by : Patrick Francis Flynn
Download or read book An Experimental Determination of the Instantaneous Potential Radiant Heat Transfer Within an Operating Diesel Engine written by Patrick Francis Flynn and published by . This book was released on 1971 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Thermodynamic System Analysis Model of a Diesel Engine by : K. T. Rhee
Download or read book A Thermodynamic System Analysis Model of a Diesel Engine written by K. T. Rhee and published by . This book was released on 1985 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: A thermodynamic system model of a direct injection-type diesel engine has been developed. The objective of the modeling was to enable predictions of the instantaneous temperature distribution along and into the combustion chamber of a diesel engine. The present model has a main emphasis on the heat transfer computation with inclusion of new submodels of conduction, radiation heat transfer of the engine, plus engine energy conversion processes. The development of submodels of space-resolved heat release and species distribution in the global model was not possible during the period of the present contract (01 August, 1984 - 31 July, 1985). Consequently, some assumptions were employed for replacing the said submodels in the selected sample computations based on some of the reported results on heat release and heat transfer rates made available in literature. Some results obtained from the present computational study are included in the report and the usefulness of the new computer program for the actual engine design is suggested herein. In addition, recommendation for improvement of the present computational model is included. Keywords: Pistons; Finite element analysis; Three dimensional heat transfer; HEATRAN computer program; FORTRAN. (Author).
Book Synopsis High-output Diesel Engine Heat Transfer by : Eric Michael Gingrich
Download or read book High-output Diesel Engine Heat Transfer written by Eric Michael Gingrich and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-output diesel engine heat transfer was investigated using a single-cylinder research engine. Engine operating conditions near 30 bar IMEPg and 250 bar in-cylinder pressure were tested. This study had three primary goals. The first was to compare local piston heat transfer, based on fast-response piston surface temperature data, to global engine heat transfer based on thermodynamic data. A wireless telemetry system was used to acquire fast-response piston surface temperature data, from which heat flux was calculated. The local measurements were then spatially averaged to find total heat transfer, which agreed relatively well with the global measurements. In the second part of this research, thermal barrier coatings of various thickness and surface roughness were applied to the piston crown. Three coated pistons were tested. Coatings with higher roughness did not show any statistically significant improvement to engine performance when compared to the metal baseline piston, and produced higher filter smoke numbers. The lower roughness coated piston showed an increase of gross indicated thermal efficiency of up to 3.5 % (relative) compared to the metal baseline piston for some operating conditions. The increase in efficiency was found to correlate with additional late-cycle apparent heat release rate and a reduction in in-cylinder heat transfer. In the third part of this research, a new instantaneous spatially averaged heat transfer correlation was developed using the local heat flux data. Previous correlations are based on the correlation of Nusselt and Reynolds numbers. The new correlation included an additional term, dimensionless chemical energy release rate. The new term was derived from dimensional analysis, which should enable similitude for diesel engines. A new interpretation of the characteristic velocity, as found in the Reynolds number, was developed and included the integrated fuel mass injection rate. The existing and new correlations were calibrated to the experimental data by minimizing the least squares error. On average, the new formulation was found to match the experimental data better than the existing models.
Download or read book Journal of Heat Transfer written by and published by . This book was released on 2007 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
