Refrigerant-based measurement method of heat pump seasonal performances

Cong-Toan Tran 1 Philippe Rivière 1 Dominique Marchio 1 Christine Arzano-Daurelle 2
1 CEP/Paris
CEP - Centre Énergétique et Procédés
2 EDF R&D ENERBAT - Energie dans les Bâtiments et les Territoires
Abstract : There is no reliable measurement method of air-to-air heat pump seasonal performances. In this paper, we tested a method based on intrusive measurements on the refrigerant side. The method proposed uses two Coriolis mass flow meters for the measurement of the refrigerant flow rate and of the vapor quality at the indoor heat exchanger outlet. The method is validated by testing an air-to-water heat pump in laboratory conditions and by using the water enthalpy method as a reference. Results confirm that the refrigerant density measurement with a Coriolis flow meter can help to predict the refrigerant vapor quality with satisfactory accuracy if the quality is not too high. The method is also reliable in dynamic conditions (including for defrosting periods). It will then be used as a reference to check the accuracy of different in situ measurement methods for air-to-air heat pumps.
Keywords : Air-to-water heat pump Coriolis flowmeters Coriolis mass flow meter Dynamic condition Enthalpy method Experimentation Heat pumps In-situ measurement Laboratory conditions Measurement methods Performance Refrigerant flow Refrigerant vapors Reliable measurement Seasonal performance Vapor quality Refrigerants
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Article dans une revue
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00769729
Contributeur : Bibliothèque Mines Paristech <>
Soumis le : jeudi 3 janvier 2013 - 09:26:57
Dernière modification le : vendredi 21 décembre 2018 - 11:08:12

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Cong-Toan Tran, Philippe Rivière, Dominique Marchio, Christine Arzano-Daurelle. Refrigerant-based measurement method of heat pump seasonal performances. International Journal of Refrigeration, Elsevier, 2012, 35 (6), pp.1583-1594. ⟨10.1016/j.ijrefrig.2012.03.010⟩. ⟨hal-00769729⟩

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