Development of sensors for measuring the enthalpy of PCM storage systems

Gerald Steinmaurer, Michael Krupa, Patrick Kefer

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


Thermal energy storage systems are considered as key components in actual and future thermal applications. Whereas the determination of the charge level of a sensible heat storage system can be easily carried out by temperature measurements, this task for Phase-Change-Materials PCM additionally consists of the measurement of solid and liquid shares of the storage material. In this paper, two possibilities of measuring the enthalpy of PCM storage systems will be presented. The first method is based on the volumetric change of PCM during the transition phase from solid to liquid, the second method uses different damping properties of solid and liquid materials.

Original languageEnglish
Pages (from-to)440-446
Number of pages7
JournalEnergy Procedia
Publication statusPublished - 2014
Event2nd International Conference on Solar Heating and Cooling for Buildings and Industry, SHC 2013 - Freiburg, Germany
Duration: 23 Sep 201325 Sep 2013


  • Enthalpy
  • Measurement
  • PCM
  • Phase Change Material
  • Virtual Sensor

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