Time irreversibility and comparison of cyclic-variability models

J. B. Green, C. S. Daw, J. S. Armfield, C. E.A. Finney, R. M. Wagner, J. A. Drallmeier, M. B. Kennel, P. Durbetaki

Research output: Contribution to journalConference articlepeer-review

24 Scopus citations

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.

Original languageEnglish
JournalSAE Technical Papers
DOIs
StatePublished - 1999
Externally publishedYes
EventInternational Congress and Exposition - Detroit, MI, United States
Duration: Mar 1 1999Mar 4 1999

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