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Characterization of an n-octadecane PCS in a 0.5 m ³ storage tank test facility.

Author(s) : BIEDENBACH M., POETZSCH L., GSCHWANDER S.

Type of article: Article, IJR article

Summary

Due to the increasing share of renewables in the energy system, research into thermal storage systems is becoming increasingly important. Phase change slurries (PCS) consisting of a phase change material (PCM) within a carrier fluid can be used as thermal storage. The advantage of phase change slurries is that they can be pumped through a hydraulic system independent of the state-of-matter of the emulsified phase change material. In this work a PCS containing 35 wt% Parafol 18 97 (Sasol Germany, n-octadecane, T m = 27.3 °C) as the PCM was characterized under realistic thermomechanical stress in a 0.5 m ³storage tank test facility. Measurements showed that at a temperature difference of 7 K (20 °C –27 °C) the PCS was able to store 2.6 times more heat than water. Furthermore, the influence of PCS on the energy de- mand of a pump was investigated.

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Pages: 76-83

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Details

  • Original title: Characterization of an n-octadecane PCS in a 0.5 m ³ storage tank test facility.
  • Record ID : 30026565
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 104
  • Publication date: 2019/08
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2019.04.028

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