This paper presents a first step towards developing a physics-based two-zone model of a single cylinder HCCI engine. Previously control laws were derived by using single zone mathematical models of HCCI combustion; although certain multi-zone models were reported, they were found too complex and unwieldy for the development of fast and efficient controllers for HCCI engines. The present work outlines the modeling approach of a single-cylinder two-zone HCCI engine by incorporating the first law of thermodynamics and temperature and concentration inhomogeneities within the cylinder in order to better predict peak pressures and combustion timings. The results showed good conformity when compared with the computationally intensive multi-zone models. A comparative analysis between the single zone and two-zone models, in the context of predicting cylinder pressures, temperatures, ignition timing is also discussed. Moreover, the effect of external parameters such as speed, and EGR were also evaluated.
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ASME 2008 Dynamic Systems and Control Conference
October 20–22, 2008
Ann Arbor, Michigan, USA
Conference Sponsors:
- Dynamic Systems and Control Division
ISBN:
978-0-7918-4335-2
PROCEEDINGS PAPER
A Two Zone Model of a Single Cylinder HCCI Engine for Control Applications
Varun Tandra,
Varun Tandra
University of North Carolina at Charlotte, Charlotte, NC
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Nilabh Srivastava
Nilabh Srivastava
University of North Carolina at Charlotte, Charlotte, NC
Search for other works by this author on:
Varun Tandra
University of North Carolina at Charlotte, Charlotte, NC
Nilabh Srivastava
University of North Carolina at Charlotte, Charlotte, NC
Paper No:
DSCC2008-2108, pp. 63-70; 8 pages
Published Online:
June 29, 2009
Citation
Tandra, V, & Srivastava, N. "A Two Zone Model of a Single Cylinder HCCI Engine for Control Applications." Proceedings of the ASME 2008 Dynamic Systems and Control Conference. ASME 2008 Dynamic Systems and Control Conference, Parts A and B. Ann Arbor, Michigan, USA. October 20–22, 2008. pp. 63-70. ASME. https://doi.org/10.1115/DSCC2008-2108
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