Cavity shape dynamical modeling and estimation in a water model of the steel converter process

  • EVESTEDT M.
    Department of Information Technology, Uppsala University
  • MEDVEDEV A.
    Department of Information Technology, Uppsala University

書誌事項

タイトル別名
  • Cavity Shape Dynamical Modelling and Estimation in a Water Model of the Steel Converter Process

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抄録

A water model is studied to simulate physical phenomena in the Lintz-Donawitz (LD) steel converter. The depression in the liquid, due to the impinging gas jet, is measured by means of a video camera. Image processing tools together with a non-linear mathematical model based on the physics of the liquid-gas system are used to describe the cavity profile. Under the assumption that the cavity profile is stationary, a quantification of the uncertainty of the depth and diameter estimates is given. The variance of the estimates is experimentally shown to decrease by 50% under the assumption that the cavity depth and diameter oscillations can be described as a sum of a small number of sine waves.

収録刊行物

  • 実験力学

    実験力学 7 (Special_Issue), s93-s98, 2007

    日本実験力学会

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