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Experimental investigation on TBAB clathrate hydrate slurry flows in a horizontal tube: forced convective heat transfer behaviours.

Author(s) : SONG W., XIAO R., HUANG G.

Type of article: Article, IJR article

Summary

Tetra-n-butyl-ammonium bromide (TBAB) clathrate hydrate slurry (CHS) is one kind of secondary refrigerants, which is promising to be applied into air-conditioning or latent-heat transportation systems as a thermal storage or cold carrying medium for energy saving. It is a solid-liquid two phase mixture which is easy to produce and has high latent heat and good fluidity. In this paper, the heat transfer characteristics of TBAB slurry were investigated in a horizontal stainless steel tube under different solid mass fractions and flow velocities with constant heat flux. One velocity region of weakened heat transfer was found. Moreover, TBAB CHS was treated as a kind of Bingham fluids, and the influences of the solid particles, flow velocity and types of flow on the forced convective heat transfer coefficients of TBAB CHS were investigated. At last, criterial correlations of Nusselt number for laminar and turbulent flows in the form of power function were summarized, and the error with experimental results was within plus or minus 20%.

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Pages: pp. 1801-1807

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Details

  • Original title: Experimental investigation on TBAB clathrate hydrate slurry flows in a horizontal tube: forced convective heat transfer behaviours.
  • Record ID : 2009-2062
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 7
  • Publication date: 2009/11

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