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Document IIF

Étude expérimentale de la performance d’une pompe à chaleur aux hydrocarbures pour le chauffage industriel à haute température.

Experimental investigation of the performance of a hydrocarbon heat pump for high temperature industrial heating.

Numéro : pap. 1212

Auteurs : BAMIGBETAN O., EIKEVIK T. M., NEKSÅ P., et al.

Résumé

A 20 kW heat pump test rig has been built to investigate and validate heat delivery up to 110 °C using a vapour compression cycle. The heat pump is a cascade cycle with propane as the working fluid in the low temperature cycle and butane in the high temperature cycle. The technology will recover low temperature (30 °C) waste heat from industrial processes and upgrade to high temperature heat for applications such as drying, sterilization, pasteurization and other heat demands within 100 – 120 °C. The heat pump will replace equivalent capacities of existing cooling towers and boilers or direct electricity heating systems in the industry. A modified compressor prototype was implemented for the high temperature cycle and was found to have an average total compressor efficiency of 71 %. The heat pump had a heating COP up to 2.6 and a combined heating and cooling COP of 4.1 for a temperature lift of 80 °C.

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Format PDF

Pages : 8

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    20 €

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    Gratuit

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Détails

  • Titre original : Experimental investigation of the performance of a hydrocarbon heat pump for high temperature industrial heating.
  • Identifiant de la fiche : 30023627
  • Langues : Anglais
  • Source : 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
  • Date d'édition : 18/06/2018
  • DOI : http://dx.doi.org/10.18462/iir.gl.2018.1212

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