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Innovative concept to prevent accumulation of moisture in mineral wool insulation of cold piping.

Author(s) : KORSGAARD V., PETERSEN M., SILBERSTEIN A.

Summary

Piping with a surface temperature below the dew point of the ambient air must be insulated to prevent dripping and to control heat gain. The paper introduces a novel innovative concept for continuous removal of condensed water vapour from an insulated cold pipe surface. The concept is based on the wicking action of a fabric wrapped around the pipe and extended through a longitudinal slot in the tubular insulation and adhered to the impermeable insulation jacket from which the moisture will evaporate to the ambient air. Results from short-term and long-term laboratory testing are given in the paper, and they show that the concept works on pipes above the freezing point with mineral wool type insulation. The paper briefly describes how the concept can be adapted to below-freezing point piping.

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Pages: 90-97

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Details

  • Original title: Innovative concept to prevent accumulation of moisture in mineral wool insulation of cold piping.
  • Record ID : 1996-0815
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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