Influence sur la consommation d'énergie de l'échangeur de chaleur interne avec des frigorigènes de substitution immédiats et de long terme dans les installations frigorifiques.
Energy influence of the IHX with R22 drop-in and long-term substitutes in refrigeration plants.
Auteurs : CABELLO R., TORRELLA E., LLOPIS R., et al.
Type d'article : Article
Résumé
This work focuses on the investigation of new drop-in or long-term refrigerants for low evaporating temperatures that can be used as substitutes for HCFC-22, which is gradually being phased-out. This process is already in progress in European countries (Regulation CE-1005/2009) and has been accelerated in Article 5 Countries of the Montreal Protocol. Specifically, in this work the energy influence of the suction line/liquid line heat exchanger on the new substitute fluids is addressed from an experimental approach. The study has been based on experimental measurements in a single-stage vapour compression refrigeration plant, which has been tested in the same external conditions operating with and without an Internal Heat Exchanger (IHX). The energy influence of the IHX working with R22 and three potential substitutes for low temperature applications, the chlorine-free drop-in fluids R417B and R422A and the chlorine-free long-term substitute R404A has been analysed. From the experimental results, reductions in capacity and COP have been observed when R22 is replaced by the drop-in fluids, although the presence of an IHX can help to lessen these reductions. Furthermore, the criteria that are usually employed to determine the energy advantage or disadvantage of the use of the IHX with the new refrigerants have been tested, the results confirming that they remain valid for them.
Détails
- Titre original : Energy influence of the IHX with R22 drop-in and long-term substitutes in refrigeration plants.
- Identifiant de la fiche : 30006031
- Langues : Anglais
- Source : Applied Thermal Engineering - vol. 50 - n. 1
- Date d'édition : 01/2013
- DOI : http://dx.doi.org/10.1016/j.applthermaleng.2012.06.008
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HCFC-22 replacement with HFC drop-in refrigeran...
- Auteurs : LLOPIS R., TORRELLA E., CABELLO R., et al.
- Date : 21/08/2011
- Langues : Anglais
- Source : Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
- Formats : PDF
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Replacement of HCFC-22 refrigerant with a drop-...
- Auteurs : LLOPIS R., CABELLO R., SÁNCHEZ D., et al.
- Date : 22/02/2012
- Langues : Anglais
- Source : CYTEF 2012. VI Congreso Ibérico y IV Congreso Iberoamericano de Ciencias y Técnicas del Frío, Madrid, España, 22-24 de febrero, 2012.
- Formats : PDF
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Experimental evaluation of HCFC-22 replacement ...
- Auteurs : LLOPIS R., CABELLO R., SÁNCHEZ D., et al.
- Date : 05/2011
- Langues : Anglais
- Source : Applied Thermal Engineering - vol. 31 - n.6-7
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Experimental analysis of the internal heat exch...
- Auteurs : NAVARRO-ESBRÍ J., MOLÉS F., BARRAGÁN-CERVERA A.
- Date : 09/2013
- Langues : Anglais
- Source : Applied Thermal Engineering - vol. 59 - n. 1-2
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HCFC-22 replacement with drop-in and retrofit H...
- Auteurs : LLOPIS R., TORRELLA E., CABELLO R., et al.
- Date : 06/2012
- Langues : Anglais
- Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 4
- Formats : PDF
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