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Étude du domaine d’application d’un système frigorifique en cascade au CO2 et d’un système secondaire au CO2.

[In Chinese. / En chinois.]

Auteurs : TIAN Y., ZHAO Z., XING Z., et al.

Type d'article : Article

Résumé

The employment of natural refrigerant have drawn widespread attention, since natural refrigerant are completely environmentally friendly and they have high potential in refrigeration application. Among them, the NH/C02 cascade refrigeration system and NH3 compression refrigeration system with CO2 as secondary refrigerant have been viewed as the most promising refrigeration methods in freezer and cold storage especially. Nevertheless, there is limited agreement on the scope of application for these two types of system since no strictly related investigation has been conducted. In this paper, the refrigeration performance of the two systems above is analysed, and conclusion is drawn on the basis of practical engineering applications. The range of application for these two types of system is marked off and explained in detail, aiming at providing reasonable suggestion for design and optimization of CO2 refrigeration systems in the future. It is shown that NH3/C02 cascade refrigeration system is more competitive when the evaporating temperature is below 25°C , and the maximum suction pressure and the maximum discharge pressure of CO2 compressor should not be lower than 1.97 MPa and 4.07 MPa respectively.

Documents disponibles

Format PDF

Pages : 22-29

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : [In Chinese. / En chinois.]
  • Identifiant de la fiche : 30018224
  • Langues : Chinois
  • Source : Journal of Refrigeration - vol. 37 - n. 168
  • Date d'édition : 04/2016

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