Title

Time Irreversibility and Comparison of Cyclic-Variability Models

Abstract

We describe a method for detecting and quantifying time irreversibility in experimental engine data. We apply this method to experimental heat-release measurements from four spark-ignited engines under leaning fueling conditions. We demonstrate that the observed behavior is inconsistent with a linear Gaussian random process and is more appropriately described as a noisy nonlinear dynamical process. Copyright © 1999 Society of Automotive Engineers, Inc.

Department(s)

Mechanical and Aerospace Engineering

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1999 SAE International (Society of Automotive Engineers ), All rights reserved.


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