Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Effects of the Curvature on the Freezing Phenomena of a Laminar Water Flow in a Curved Channel

곡유로내 물의 층류유동에서 곡부가 결빙에 미치는 영향

  • Published : 2000.11.01
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Abstract

A numerical study is made on the ice-formation for a laminar flow in a curved channel. When the water flows through the curved channel with the walls specified below the freezing temperature, the ice layer has been formed on the curved surface, different from that of a straight channel. The fluctuation of ice layer has been predicted, considering the variation of velocity and temperature near the curved portion of channel. The study also takes into account the interaction existing between the laminar flow and the curved channel. In the solution strategy, the present study is substantially different from the existing works in that the complete set of governing equations in both the solid and liquid regions are resolved. The results from this study have been mainly presented, focusing on the variation of ice layer close to the curved portion. Numerical results have been obtained parametrically by varying the curved angle and the radius of curvature of channel, in addition to the variation of Reynolds numbers and wall temperatures of channel. The results show that the curved shape of channel has the great effect on the thickness of the solidification layer. The wave of ice layer thickness appears in the vicinity of curved portion. This behavior of ice layer has been amplified as is the increasing of curved angle and the radius of curvature of channel. In addition, the ice layer becomes thin as Reynolds numbers in increasing. And also, as the wall temperature of channel increases, the width of channel becomes to be shrunk due to the growth of ice layers in the upper and lower wall of channel.

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References

  1. Zerkie, R. D. and Sunderland, J. E., 1968, 'The Effect of Liquid Solidification in a Tube Upon Laminar-Flow Heat Transfer and Pressure Drop,' J. Heat Transfer. Trans. ASME, pp. 183-190
  2. Lee, D. G. and Zerkie, R. D., 1969, 'The Effect of Liquid Solidification in a Parallel Plate Channel Upon Laminar-Flow Heat Transfer and Pressure Drop,' J. Heat Transfer. Trans. ASME, pp. 583-585
  3. Kikuchi, Y., Shigemasa, Y., Oe, A. and Ogata, T., 1986, 'Steady-State Freezing of Liquids in Laminar Flow between Two Parallel Plates,' J. Nucl. Sci. Technol., Vol. 23, pp. 979-991
  4. Cho, Chul and Ozisik, M. N., 1979, 'Transient Freezing of Liquids in Turbulent Flow inside Tubes,' J. Heat Transfer, Vol. 103, pp. 363-468
  5. Gilpin, R. R., 1981, 'Ice Formation in a Pipe Containing Flow in the Transition and Turbulent Regimes,' J. Heat Transfer, Vol. 103, pp. 363-368
  6. Seki, N., Fukusako, S. and Younan, G. W., 1984, 'Ice-Formation Phenomena for Water Flow Between Two Cooled Parallel Plates,' J. Heat Transfer, Vol. 106, pp. 498-505
  7. Hirata, T. and Matsuzawa, H., 1987, 'A Study if Ice-Formation Phenomena on Freezing of flowing Water in a Pipe,' J. Heat Transfer, Vol. 109, pp. 965-970
  8. Weigand, B. and Beer, H., 1993, 'Ice-Formation Phenomena for Water Flow Inside a Cooled Parallel Plate Channel: an Experimental and Theoretical Investigation of Wavy Ice Layer,' Int. J. Heat Mass Transfer, Vol. 36, pp. 685-693 https://doi.org/10.1016/0017-9310(93)80044-U
  9. Patankar, S. V., 1980, Numerical Heat Transfer and Fluid Flow, Hemisphere, Washington, D. C.
  10. 서정세, 노승탁, 1994, 수평원관내 얼음의 접촉융해과정, 대한기계학회논문집, 제19권, 제10호, pp. 2595-2606 https://doi.org/10.1080/10407788808913645
  11. Karki, K. C. and Patankar, S. V., 1988, 'Calculation Procedure for Viscous Incompressible Flows in Complex Geometries,' Numer. Heat Transfer, Vol. 4, pp. 295-307 https://doi.org/10.1080/10407788808913645
  12. 서정세, 노승탁, 1977, '동심원과 환상공간내의 완전히 발달된 층류유동에서 물의 결빙현상에 대한 해석,' 대한기계학회논문집, 제21권 제11호, pp.1552-1561
  13. 서정세, 김무근, 노승탁, 임장순, 1998, '협착관내 층류유동에서 물의 결빙현상,' 공기조화냉동공학회논문집, 제10권 제1호, pp. 11-21