• Home page
  • Publications

  • Trans-critical vapor compression cycle using bu...

IIR document

Trans-critical vapor compression cycle using butane (R600) as refrigerant for industrial waste heat recovery.

Number: pap. n. 1186

Author(s) : VERDNIK M., RIEBERER R., MOISI H.

Summary

By utilizing a trans-critical vapor compression cycle using hydrocarbons, the operating range of these natural refrigerants with low global warming potential and zero ozone depletion potential can be extended to higher temperature levels. A single-stage cycle using a reciprocating (suction gas cooled) compressor and an internal heat exchanger for suction gas superheating has been modeled using Modelica and the TIL thermal component library. The simulation model has been validated by means of experimental data gathered with a R600 test rig operated at condensing temperatures up to 110°C. The simulation model was modified to study the system behavior in trans-critical operation. Increasing the suction gas superheat lowers the values for the high-side pressure at which the maximum efficiency is reached, which could be utilized if the high-side pressure is limited by the used components. Through the application of an internal heat exchanger, the increase of superheat shows potential to increase the Coefficient of Performance (COP).

Available documents

Format PDF

Pages: 8

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: Trans-critical vapor compression cycle using butane (R600) as refrigerant for industrial waste heat recovery.
  • Record ID : 30026521
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.1186

Links


See other articles from the proceedings (632)
See the conference proceedings