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 language | English |
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Journal | SAE Technical Papers |
DOIs | |
State | Published - 1999 |
Externally published | Yes |
Event | International Congress and Exposition - Detroit, MI, United States Duration: Mar 1 1999 → Mar 4 1999 |