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Heat transfer enhancement in the direct contact melting process.

Author(s) : SAITO A., HONG H., HIROKANE O.

Type of article: Article

Summary

In the present work, it was investigated how the heat transfer can be promoted by machining slots on the disk-type heat transfer surface and dividing it into several sector-shaped sections, through theoretical analysis, experiments and numerical analysis with ice. Experiments were performed varying the number of splits and the width of slots under different surface temperatures and pressures. Numerical analysis shows a good agreement with experiments. Also, it was found that the prediction equation yielded by theoretical analysis gives not only a qualitative explanation of the increase of heat flux, but also a quantitative prediction of the heat flux with adequate accuracy. Summarizing these results, the enhancement of heat transfer can apparently be achieved according to the number of splits.

Details

  • Original title: Heat transfer enhancement in the direct contact melting process.
  • Record ID : 1992-2620
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 35 - n. 2
  • Publication date: 1992/02

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