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Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing

Arteconi, Alessia, Brandoni, Caterina, Di Nicola, Giovanni and Polonara, Fabio (2012) Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing. In: 10th Gustav Lorentzen Conference on Natural Refrigerants, Delft, The Netherlands. International Institute of Refrigeration (IIR). 8 pp. [Conference contribution]

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Abstract

In the industrial refrigeration natural refrigerants are gaining more and more importance, mainly because of increasing environmental concerns. In this work food processing applications are considered, with particular reference to very rapid freezing refrigeration, for which a temperature of -70°C is needed. Two alternative technologies are presented: (i) an open air cycle freezer; (ii) a cascade cycle using CO2 or blends of CO2 and natural refrigerants as low temperature working fluid. A comparison between the two technologies is performed. The purpose of the paper is to outline the main features of each system, comparing them on a technical point of view on the basis of theoretical models and experimental results on existing prototype units.

Item Type:Conference contribution (Paper)
Faculties and Schools:Faculty of Art, Design and the Built Environment
Faculty of Art, Design and the Built Environment > School of the Built Environment
Research Institutes and Groups:Built Environment Research Institute
Built Environment Research Institute > Centre for Sustainable Technologies (CST)
ID Code:29358
Deposited By: Dr Caterina Brandoni
Deposited On:17 Jul 2014 10:00
Last Modified:17 Jul 2014 10:00

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