HCCI Engine Combustion Phasing Prediction Using a Symbolic-Statistics Approach-Reference-Cited by-同舟云学术

HCCI Engine Combustion Phasing Prediction Using a Symbolic-Statistics Approach

Published:2010-05-27 Issue:8 Volume:132 Page:
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Ghazimirsaied Ahmad¹,Shahbakhti Mahdi¹,Koch Charles Robert¹

Affiliation:

1. Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, T6G 2G8, Canada

Abstract

Temporal dynamics of cyclic variation in a homogeneous charge compression ignition (HCCI) engine near misfire is analyzed using chaotic theory methods. The analysis of variation in consecutive cycles of CA50 (crank angle of 50% mass fraction fuel burnt) for an n-heptane fueled engine is performed for a test point near the misfire condition. The return map of the time series of CA50 cycle values reveals the deterministic and random portions of dynamics near misfire occurring in an HCCI engine. A symbol-statistic approach is also used to find the occurrence of possible probabilities of the data points under the same operating conditions. These techniques are then used to predict CA50 one cycle ahead. Simulated data points in phase space have similar dynamical structure to the experimental measurements.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/doi/10.1115/1.4000297/5707336/082805_1.pdf

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