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雾化与喷雾
影响因子: 1.262 5年影响因子: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.v7.i2.50
pages 183-197

TOMOGRAPHIC RECONSTRUCTION OF ASYMMETRIC SPRAYS FROM A TWIN-HOLE AIR SHROUD INJECTOR

Changhyuk Lee
School of Mechanical and Aerospace Engineering, Seoul National University, Seoul, 151-742, Korea
Suk Ho Chung
Clean Combustion Research Center King Abdullah University of Science and Technology Thuwal, Saudi Arabia

ABSTRACT

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.


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