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Wavelet analysis of in-cylinder LDV velocity measurements

In English

Författare

Summary, in English

The Discrete Wavelet Transform (DWT) is a new way to analyze gas flow measurements in engine cylinders. The DWT technique differs significantly from the Fast Fourier Transform (FFT) in that with the former, the analysis of information can be done in both the time domain and frequency domain. The basic theory of wavelets is presented and the use of DWT is demonstrated on information derived from laser Doppler velocity (LDV) measurements for different geometrical configurations of combustion chambers in a natural gas converted truck engine.

Publiceringsår

1996

Språk

Engelska

Sidor

1-10

Publikation/Tidskrift/Serie

[Host publication title missing]

Volym

1212

Dokumenttyp

Konferensbidrag

Förlag

SAE

Ämne

  • Probability Theory and Statistics

Nyckelord

  • Natural gas converted engine
  • Discrete wavelet transforms (DWT)
  • Gas engines
  • Laser Doppler velocimeters
  • Velocity measurement
  • Fast Fourier transforms
  • Flow measurement
  • Wavelet transforms
  • Engine cylinders
  • Combustion chambers
  • Turbulence
  • Time domain analysis
  • Frequency domain analysis
  • Automotive fuel

Conference name

SAE International Fall Fuels and Lubricants Meeting and Exposition

Conference date

1996-10-14 - 1996-10-17

Conference place

San Antonio, Texas, United States

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 1-56091-869-1