The Entropy Generation Minimization (EGM) method is based on the analysis by three sciences (thermodynamics, fluid flow and heat transfer) of the different processes that may occur in a system or in an equipment. Herein the EGM method is applied to internal combustion engines to determine the entropy generation caused by different processes. A model incorporating entropy generation calculations is used to assess various engines configurations. Otto cycle was tested and Variable Valve Timing (VVT) and Variable Compression Ratio (VCR) were applied so thermodynamic benefits could be tested and evaluated. With the referred model, the Miller cycle variables are analyzed in order to establish the best working conditions of an engine under a certain load. The intake and exhaust valve timing, combustion start, compression ratio adjustment and heat transfer are the variables for which a best working condition is determined based on the minimization of the entropy generation of the several engine processes.
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ASME 2005 Internal Combustion Engine Division Fall Technical Conference
September 11–14, 2005
Ottawa, Ontario, Canada
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
0-7918-4736-5
PROCEEDINGS PAPER
Miller Cycle Analysis Using EGM
Bernardo Ribeiro,
Bernardo Ribeiro
Universidade do Minho, Guimaraes, Portugal
Search for other works by this author on:
Jorge Martins
Jorge Martins
Universidade do Minho, Guimaraes, Portugal
Search for other works by this author on:
Bernardo Ribeiro
Universidade do Minho, Guimaraes, Portugal
Jorge Martins
Universidade do Minho, Guimaraes, Portugal
Paper No:
ICEF2005-1110, pp. 441-446; 6 pages
Published Online:
November 11, 2008
Citation
Ribeiro, B, & Martins, J. "Miller Cycle Analysis Using EGM." Proceedings of the ASME 2005 Internal Combustion Engine Division Fall Technical Conference. ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005). Ottawa, Ontario, Canada. September 11–14, 2005. pp. 441-446. ASME. https://doi.org/10.1115/ICEF2005-1110
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