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A review on heat transfer correlations for supercritical carbon dioxide under cooling conditions.

Author(s) : SPINDLER K.

Summary

For pressures above 120 bars, the effect of variation in thermophysical properties is small. A constant-property Nusselt correlation can often be used to calculate heat transfer coefficient. For pressures below 120 bars, the variation in properties has to be taken into account. At high heat fluxes and at conditions close to the pseudocritical state, buoyancy effects and thermophysical property variations may be large, that Nusselt correlations using constant fluid properties result in incorrect heat transfer coefficients. A critical review on the different heat transfer correlations for cooling supercritical CO2 is given with respect to single tubes of different diameter and multi-port channels.

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Pages: 2006-2

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Details

  • Original title: A review on heat transfer correlations for supercritical carbon dioxide under cooling conditions.
  • Record ID : 2008-0049
  • Languages: English
  • Source: 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2006). Proceedings
  • Publication date: 2006/05/29

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