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윤영빈(Youngbin Yoon),고현석(Hyeonseok Koh),전재영(Jaeyoung Jeun),김동준(Dongjun Kim) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
Over the years. planar laser imaging techniques have been developed for the spray characterizations. The planar imaging technique provides the high resolution and quantitative information of the spray. Fuel distribution in sprays can be obtained from the fluorescence image. and Sauter Mean Diameter (SMD) can be measured from the ratio of fluorescence to Mie-scattering images. However, in the dense spray region. the attenuation of the laser beam and signal cause the significant misinterpretation of signal intensities. In order to correct these problem, especially, the attenuation of the emitted signals passing through the optically dense media. the method to find the geometric mean of the signal intensities obtained from two cameras is therefore evaluated and verified. Results show that the proposed method can provide the good agreement with PDPA in the dense region.