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Predictive analysis method and system for engine performance and control program for use in the same

  • US 20040220716A1
  • Filed: 02/03/2004
  • Published: 11/04/2004
  • Est. Priority Date: 02/05/2003
  • Status: Active Grant
First Claim
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1. A predictive analysis method for predicting performance of an engine by analyzing movement of a working fluid of the engine through application of CFD, comprising the steps of:

  • dividing a combustion cycle of the engine into four processes of intake, compression, expansion and exhaust processes, and setting, with respect to each of said four processes, a dimension of a space where the movement of said working fluid is analyzed;

    analyzing the movement of said working fluid at least from a part of an intake system to a part of an exhaust system of the engine by performing a CFD operation in said dimension having been set with respect to each of said four processes; and

    predicting the performance of the engine on the basis of a result of analysis.

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