Chaos in thermal pulse combustion

被引：37

作者：

Daw, CS

Thomas, JF

Richards, GA

Narayanaswami, LL

机构：

[1] US DOE,MORGANTOWN ENERGY TECHNOL CTR,MORGANTOWN,WV 26505

[2] EMBRY RIDDLE AERONAUT UNIV,DEPT AEROSP ENGN,DAYTONA BEACH,FL 32114

来源：

CHAOS | 1995年 / 5卷 / 04期

关键词：

D O I：

10.1063/1.166137

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

An experimental thermal pulse combustor and a differential equation model of this device are shown to exhibit chaotic behavior under certain conditions. Chaos arises in the model by means of a progression of period-doubling bifurcations that occur when operating parameters such as combustor wall temperature or air/fuel flow are adjusted to push the system toward flameout. Bifurcation sequences have not yet been reproduced experimentally, but similarities are demonstrated between the dynamic features of pressure fluctuations in the model and experiment, Correlation dimension, Kolmogorov entropy, and projections of reconstructed attractors using chaotic time series analysis are demonstrated to be useful in classifying dynamical behavior of the experimental combustor and for comparison of test data to the model results. Ways to improve the model are suggested. (C) 1995 American Institute of Physics.

引用

页码：662 / 670

页数：9

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