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Operating Characteristics of a Spark-Ignition Engine Using the Second Law of Thermodynamics: Effects of Speed and Load
Technical Paper
2000-01-0952
ISSN: 0148-7191, e-ISSN: 2688-3627
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SAE 2000 World Congress
Language:
English
Abstract
A thermodynamic cycle simulation was used to obtain the performance, energy and availability characteristics as functions of speed and load for an automotive spark-ignition engine. Availability is an important thermodynamic property related to the second law of thermodynamics. The manner in which the total original energy and availability are used, displaced or destroyed is exhibited. As an example of the results, the availability destroyed by the combustion process (as a percentage of the fuel availability) ranged between 20.3 and 21.4%. This fraction was lowest for the highest speeds and loads, since these conditions were best at preserving the fuel availability.
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Caton, J., "Operating Characteristics of a Spark-Ignition Engine Using the Second Law of Thermodynamics: Effects of Speed and Load," SAE Technical Paper 2000-01-0952, 2000, https://doi.org/10.4271/2000-01-0952.Also In
References
- Olikara, C. Borman, G. L. “A Computer Program for Calculating Properties of Equilibrium Combustion Products with Some Applications to I. C. Engines,” Society of Automotive Engineers SAE Paper No. 750468 1975
- Heywood, J. B. Higgins, J. M. Watts, P. A. Tabaczynski, R. J. “Development and Use of a Cycle Simulation to Predict SI Engine Efficiency and NOx Emissions,” Society of Automotive Engineers SAE Paper No. 790291 1979
- Watts, P. A. Heywood, J. B. “Simulation Studies of the Effects of Turbocharging and Reduced Heat Transfer on Spark-Ignition Engine Operation,” Society of Automotive Engineers SAE Paper No. 800289 1980
- Heywood, J. B. “Engine Combustion Modeling - an Overview,” Combustion Modeling in Reciprocating Engines Mattavi, J. N. Amann, C. A. Plenum Press New York, NY 1980
- Heywood, John B. Internal Combustion Engine Fundamentals McGraw-Hill Book Company New York, New York 1988
- Caton, J. A. “Development and Demonstration of a One-Zone Thermodynamic Cycle Simulation (Including Time-Varying Equilibrium Properties) for Spark-Ignition Engines,” Engine Research Laboratory, Texas A&M University, Department of Mechanical Engineering 18 September 1998
- Caton, J. A. “Results from the Second-Law of Thermodynamics for a Spark-Ignition Engine Using a Thermodynamic Engine Cycle Simulation,” In-Cylinder Flows and Combustion Processes 3 Proceedings of the 1999 Fall Technical Conference Bell S. R. ASME Internal Combustion Engine Division, American Society of Mechanical Engineers, ICE-Vol. 33-3, Paper No. 99-ICE-239 35 49 University of Michigan Ann Arbor, MI 16-20 October 1999
- Moran, M. J. Availability Analysis - A Guide to Efficient Energy Use The American Society of Mechanical Engineers New York, NY 1989
- Moran, M. J. Shapiro, H. N. Fundamentals of Engineering Thermodynamics John Wiley & Sons, Inc. New York, New York third 1995
- Wark, K. Jr. Richards, D. E. Thermodynamics sixth McGraw-Hill Company New York, NY 1999
- Flynn, P. F. Hoag, K. L. Kamel, M. M. Primus, R. J. “A New Perspective on Diesel Engine Evaluation Based on Second Law Analysis,” Society of Automotive Engineers SAE Paper no. 840032 1984
- Caton, J. A. “A Review of Investigations Using the Second-Law of Thermodynamics to Study Internal-Combustion Engines,” Society of Automotive Engineers, 2000 SAE International Congress & Exposition Cobo Center Detroit, MI 6-9 March 1999
- Primus, R. J. Flynn, P. F. “Diagnosing the Real Performance Impact of Diesel Engine Design Parameter Variation (a Primer in the Use of Second Law Analysis),” International Symposium on Diagnostics and Modelling of Combustion in Reciprocating Engines 529 538 1985
- Rakopoulos, C. D. Giakoumis, E. G. “Speed and Load Effects on the Availability Balance and Irreversibilities Production in a Multi-Cylinder Turbocharged Diesel Engine,” Applied Thermal Engineering 17 3 299 313 1997
- Woschni, G. “A Universally Applicable Equation for the Instantaneous Heat Transfer Coefficient in the Internal Combustion Engine,” SAE Transactions, SAE paper No. 670931 76 3065 3083 1968
- Sherman, R. H. Blumberg, P. N. “The Influence of Induction and Exhaust Processes on Emissions and Fuel Consumption in the Spark Ignited Engine,” SAE Paper No. 770990 1977
- Caton, J. A. “Comparisons of Thermocouple, Time-Averaged and Mass-Averaged Exhaust Gas Temperatures for a Spark-Ignited Engine,” Society of Automotive Engineers SAE Paper No. 820050 1982
- Caton, J. A. “Incorporation and Use of an Analysis Based on the Second Law of Thermodynamics for Spark-Ignition Engines (Using a Comprehensive Cycle Simulation),” Report No. ERL-98-04 Engine Research Laboratory, Department of Mechanical Engineering, Texas A&M University 05 February 1999