Wavelet analysis of in-cylinder LDV velocity measurements

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding

Abstract

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.

Details

Authors
Organisations
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Probability Theory and Statistics

Keywords

  • 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
Original languageEnglish
Title of host publication[Host publication title missing]
PublisherSAE
Pages1-10
Volume1212
ISBN (Print)1-56091-869-1
Publication statusPublished - 1996
Publication categoryResearch
Peer-reviewedYes
EventSAE International Fall Fuels and Lubricants Meeting and Exposition - San Antonio, Texas, United States
Duration: 1996 Oct 141996 Oct 17

Publication series

Name
Volume1212

Conference

ConferenceSAE International Fall Fuels and Lubricants Meeting and Exposition
CountryUnited States
CitySan Antonio, Texas
Period1996/10/141996/10/17