Share

IIR document

Control optimization of transcritical CO2 air conditioning systems operating in subtropical climate.

Number: pap. ID: 470

Author(s) : PADALKAR A., MARTÍNEZ-BALLESTER S., KADAM A

Summary

For vapour compression cycles where, heat rejection occurs under transcritical pressure, an optimum pressure that maximizes the COP exists. The most common application of this situation are CO2 transcritical systems. The paper presents two different air conditioning systems operating in subtropical conditions, which have different control techniques to set the gascooler pressure to its optimum value. Simulation studies has been carried out in order to get the optimum gas cooler pressure for each system, to compare differences of both systems and for analysing the COP improvement of these systems respect to the baseline split air conditioning system without pressure control. The simulated values of the optimum gascooler pressure for both systems were compared with other correlations of literature, showing different deviations depending on the analysed system.

Available documents

Format PDF

Pages: 8 p.

Available

  • Public price

    20 €

  • Member price*

    Free

* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).

Details

  • Original title: Control optimization of transcritical CO2 air conditioning systems operating in subtropical climate.
  • Record ID : 30003192
  • Languages: English
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

Links


See other articles from the proceedings (569)
See the conference proceedings

Indexing