Tomographic reconstruction of asymmetric sprays from a twin-hole air shroud injector

C. H. Lee*, S. H. Chung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Convolution Fourier transformation tomographically reconstructs the spatially resolved drop Sauter mean diameters and liquid volume fraction from a set of line-of-sight Fraunhofer diffraction measurements. Asymmetric sprays generated from a twin-hole air shroud injector are tested with 12 equiangular projections of diffraction measurements. Interpolated data between the projection angles effectively increase the number of projections, which significantly enhances the signal-to-noise level in the reconstructed data. This modified convolution Fourier transformation scheme predicts well the structure of asymmetric sprays. Comparative study has been made between sprays with and without air shrouding.

Original languageEnglish (US)
Pages (from-to)183-197
Number of pages15
JournalAtomization and Sprays
Issue number2
StatePublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • General Chemical Engineering


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