Sloshing of Melts in a Bath Smelting Process Having an Elliptic Cross Section

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概要

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• Recently, the use of the elliptic cross section cylinder for bath smelting operations was adopted by the AusIron process. The high gas flow rates used have been found to generate wave motion in the bath that can enhance refractory wear. The standing wave modes were found for the bath. Two distinct sets of eigenvalues were obtained, one in the major axis and the other in the minor axis. The two sets converged when the ellipticity of the cylinder is zero, which is the shape of a circle. The calculated wave frequency was found to agree well with experimental data. A complete set of eigenvalues have been calculated for elliptic cylinders and fitted to Chebyshev polynomials, enabling quick estimation of the standing wave frequencies.The study showed that the ellipticity of the vessel for the AusIron process needs to be carefully chosen as the standing wave modes that can be generated may result in beat frequencies that can interact with the natural frequencies of the vessel support and auxilliary equipment.

• 社団法人 日本鉄鋼協会の論文
• 2002-07-15

著者

• Liow Jong-leng

  Mechanical Engineering Discipline School Of Engineering James Cook University

関連論文

• Sloshing of Melts in a Bath Smelting Process Having an Elliptic Cross Section

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