This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Thermodynamic Split of Losses Analysis of a Single Cylinder Gasoline Engine with Multiple Spark Plug - Ignition Coil Configurations
Technical Paper
2016-32-0008
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
Today, nations are in the path of low-emission transformation mandating stricter emission norms with periodic revisions. With the expected introduction of Bharath Stage VI (BS VI) for two wheelers in India by 2020, limitation in primary pollutants namely - Carbon Monoxide (CO), Total Hydro-Carbons (THC) and Nitrogen Oxides (NOx) are reduced by 50%, 75% and 85% respectively in comparison to the existing Bharath Stage IV. The original equipment manufacturers (OEMs) are identifying measures to improve the overall efficiency and raw emissions from the engine through strategies like multi-spark configurations, improved charge induction concepts, liquid cooling, lean combustion etc. With end user demands for performance, low end torque, high power to displacement ratio, quick acceleration and fuel efficiency, the balance with the emission regulation is expected to be challenging.
This study aims at understanding the typical thermodynamic losses associated with a liquid cooled single cylinder fuel injected spark ignition engine using Bosch Engine Combustion Analysis Tool (Be-CAT). The in-cylinder, intake and exhaust pressure measurements on the engine are the basis for the study. In the current study, the influence of multiple spark combustion is analyzed and compared against single spark combustion with equivalent ignition energy. Also multiple spark plug positions are evaluated and the ideal position for better-quality combustion is identified. Followed by, a study of ignition coil energies of 25mJ and 45mJ at the chosen spark plug position is conducted. The results indicate that the central spark plug position is favorable for least cyclic variations, two spark plugs mounted at side locations are ideal for low HC and CO emissions and the three spark plug configuration yields the least NOx emissions among the three configurations. The study also proves that increasing the ignition energy beyond what is required do not yield any benefits.
Authors
Topic
Citation
Nandakumar Kartha, B., Vijaykumar, S., and Reddemreddy, P., "Thermodynamic Split of Losses Analysis of a Single Cylinder Gasoline Engine with Multiple Spark Plug - Ignition Coil Configurations," SAE Technical Paper 2016-32-0008, 2016, https://doi.org/10.4271/2016-32-0008.Also In
References
- Heywood , John B. Internal combustion engine fundamentals 930 New York Mcgraw-hill 1988
- Kulzer , A. , Christ , A. , Rauscher , M. , Sauer , C. et al. Thermodynamic Analysis and Benchmark of Various Gasoline Combustion Concepts SAE Technical Paper 2006-01-0231 2006 10.4271/2006-01-0231
- Kulzer , A. , Lejsek , D. BeCAT - Bosch Engine Combustion Analysis Tool: User Manual - Robert Bosch Gmbh 2010
- Bargende , Michael Ein Gleichungsansatz zur Berechnung der instationären Wandwärmeverluste im Hochdruckteil von Ottomotoren 1990
- Krishnasamy , M. , Ramesh A. , and Babu M. K. G. Studies on Reducing Cycle by Cycle Variations and Improving Performance of a Small Carbureted Gasoline Engine SAE Technical Paper 2009-32-0097 2009
- Samuel , S. , Morrey , D. , Whelan , I. , and Hassaneen , A. Combustion Characteristics and Cycle-By-Cycle Variation in a Turbocharged-Intercooled Gasoline Direct-Injected Engine SAE Technical Paper 2010-01-0348 2010 10.4271/2010-01-0348
- Ramtilak , A. , Joseph , A. , Sivakumar , G. , and Bhat , S. Digital Twin Spark Ignition for Improved Fuel Economy and Emissions on Four Stroke Engines SAE Technical Paper 2005-26-008 2005 10.4271/2005-26-008
- Narasimha Bailkeri , Krishna Prasad and Shrinivasa Rao B.R 2013 Comparitive study of Performance of Dual plug and single S.I engine at different compression ratios International Journals Of Advanced Research In Engineering And Technology (IJARET) 4 5 188 197
- Altın , İsmail , and Bilgin Atilla A parametric study on the performance parameters of a twin-spark SI engine Energy Conversion and Management 50.8 2009 1902 1907
- Schuerg , F. , Kulzer , A. , Kufferath , A. , Manikandan , K. et al. Advanced Combustion System Analyses on a 125cc Motorcycle Engine SAE Int. J. Engines 5 3 812 824 2012
- Weberbauer , Frank et al. Generally applicate split of losses for new combustion concepts MTZ worldwide 66.2 2005 17 19
- Trattner , A. , Kupelwieser , F. , Pertl , P. , Winkler , F. et al. Thermodynamic Limits of Efficiency Enhancement of Small Displacement Single-Cylinder Engines SAE Technical Paper 2015-32-0817 2015
- The Gazette of India BS VI Draft Notification, REGD NO. D.L.-33004/99, Ministry of Road Transports and Highways 19 th Feb 2016
- Mattavi , J. The Attributes of Fast Burning Rates in Engines SAE Technical Paper 800920 1980 10.4271/800920