Energy influence of the IHX with R22 drop-in and long-term substitutes in refrigeration plants
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Other documents of the author: Cabello López, Ramón; Torrella Alcaraz, Enrique; Llopis, Rodrigo; Sánchez García-Vacas, Daniel; Larumbe, J. A.
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http://dx.doi.org/10.1016/j.applthermaleng.2012.06.008 |
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Title
Energy influence of the IHX with R22 drop-in and long-term substitutes in refrigeration plantsAuthor (s)
Date
2013-01-10Publisher
ElsevierBibliographic citation
CABELLO LÓPEZ, R.; TORRELLA ALCARAZ, E.; LLOPIS DOMÉNECH, R.; SÁNCHEZ GARCÍA-VACAS, D., LARUMBE, J. A. Energy influence of the IHX with R22 drop-in and long-term substitutes in refrigeration plants. Applied Thermal Engineering, V. 50, Issue 1 (10 January 2013), p. 260–267Type
info:eu-repo/semantics/articlePublisher version
http://www.sciencedirect.com/science/article/pii/S1359431112004280Subject
Abstract
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 ... [+]
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. [-]
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Applied Thermal Engineering, V. 50, Issue 1 (10 January 2013)Rights
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