High-Performance Finned Tubes for Production Facility Heating Systems

  • Abstract
  • Keywords
  • References
  • PDF
  • Abstract

    The values of the optimal height of the ribs and their optimal placement step on the surface of the heating device are determined. It was possible to determine that the installation of rectangular rods with a step of 8.2 mm on the surface at an angle of 90 degrees to the horizon, leads to an increase in the local coefficient of convective heat transfer to 200% compared to the surface on which there are no rods. It was found that the simplex   acts as a separate parameter that affects the local coefficient of convective heat transfer on a surface with rectangular bars.


  • Keywords

    experimental working area, free-convective flow, heat transfer coefficient, finned tube, coolant.

  • References

      [1] Hung Y.H. and Shau, W.M., Local steady-state natural convection heat transfer in vertical parallel plates with a two-dimensional rectangular rib. Int. J. Heat Mass Transfer. - 1988. - V. 31, Issue 4. - p.1279-1282.

      [2] Said S.A.M. and Crane R.J. An analytical and experimental investigation of natural Convention heat transfer in vertical channels with a single instruction. Int. J. Heat Mass Transfer. - 1990. - V. 33, Issue 6. - p.1121-1134.

      [3] Chadwick M.L., Webb B.W and H.S. Heaton, Natural convection from discrete heat sources in a vertically vented rectangular enclosure. Experimental Heat Transfer. - 1991. - Issue 4. – p. 199 - 216.

      [4] Burak V.S., Volkov S.V., Martynenko O.G., Khramtsov P.P. and Shikh I.A. Experimental study of free-convective flow on a vertical plate with a constant heat flux in presence of one or more steps. Int. J. Heat Mass Transfer. – 1995. – V.38, Issue 1. – p.147 - 154.

      [5] Bogoslovskiy V.N. Internal sanitary-technical devices. In 3 parts. Moscow: Stroiizdat, 1990, 344 p.




Article ID: 18700
DOI: 10.14419/ijet.v7i3.15.18700

Copyright © 2012-2015 Science Publishing Corporation Inc. All rights reserved.