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Experimental measurement of thermophysical properties of H2O/KCOOH (potassium formate) desiccant.

Author(s) : LONGO G. A., GASPARELLA A.

Type of article: Article, IJR article

Summary

This paper presents the measurement of the thermal conductivity and the dynamic viscosity of H2O/KCOOH (potassium formate) desiccant with a salt concentration from 60 to 80% in the temperature range 1–80?°C. The thermal conductivity measurement gives evidence of a great sensitivity to salt concentration and lower sensitivity to temperature: H2O/KCOOH desiccant shows a thermal conductivity from 23 to 33% lower than water at the same temperature. H2O/KCOOH desiccant exhibits a Newtonian behaviour in all the investigated ranges of temperature and concentration. The relative viscosity shows a great sensitivity to salt concentration and weak or no sensitivity to temperature up to a solution concentration of salt around 70%. For higher solution concentration of salt (75 and 80%) the relative viscosity shows a great sensitivity also to temperature. H2O/KCOOH desiccant presents a dynamic viscosity from 4 to 30 times higher than water at the same temperature.

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Pages: 106-113

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Details

  • Original title: Experimental measurement of thermophysical properties of H2O/KCOOH (potassium formate) desiccant.
  • Record ID : 30016771
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 62
  • Publication date: 2016/02

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