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

Alessia Arteconi, Caterina Brandoni, Giovanni Di Nicola, Fabio Polonara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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.
LanguageEnglish
Title of host publicationUnknown Host Publication
Number of pages8
Publication statusPublished - Jun 2012
Event10th Gustav Lorentzen Conference on Natural Refrigerants - Delft, The Netherlands
Duration: 1 Jun 2012 → …

Conference

Conference10th Gustav Lorentzen Conference on Natural Refrigerants
Period1/06/12 → …

Fingerprint

Refrigerants
Refrigeration
Freezing
Industrial refrigeration
Food processing
Cascades (fluid mechanics)
Temperature
Fluids
Air

Cite this

Arteconi, A., Brandoni, C., Di Nicola, G., & Polonara, F. (2012). Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing. In Unknown Host Publication
Arteconi, Alessia ; Brandoni, Caterina ; Di Nicola, Giovanni ; Polonara, Fabio. / Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing. Unknown Host Publication. 2012.
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Arteconi, A, Brandoni, C, Di Nicola, G & Polonara, F 2012, Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing. in Unknown Host Publication. 10th Gustav Lorentzen Conference on Natural Refrigerants, 1/06/12.

Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing. / Arteconi, Alessia; Brandoni, Caterina; Di Nicola, Giovanni; Polonara, Fabio.

Unknown Host Publication. 2012.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing

AU - Arteconi, Alessia

AU - Brandoni, Caterina

AU - Di Nicola, Giovanni

AU - Polonara, Fabio

PY - 2012/6

Y1 - 2012/6

N2 - 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.

AB - 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.

M3 - Conference contribution

SN - 978-29131-49908

BT - Unknown Host Publication

ER -

Arteconi A, Brandoni C, Di Nicola G, Polonara F. Comparison of refrigeration cycles with natural refrigerants for very rapid food freezing. In Unknown Host Publication. 2012