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Experimental investigation of a heat pump tumble dryer with a zeotropic refrigerant blend.

Number: 210012

Author(s) : COP M., NOSBERS R., THOMAS C., HESSE U.

Summary

The restrictions on the use of hydrofluorocarbons with a high global warming potential (GWP) are increasing on a global scale. They can be cost-driven or politically enforced. In Europe, the EU regulation 517/2014 restricts the refrigerants currently used in household appliances, such as R-134a, so new systems and working fluids must be investigated as replacements. The trend in domestic appliances with heat pumps, such as tumble dryers, is towards using propane as a refrigerant. This paper presents an experimental comparison of different refrigerants in a heat pump tumble dryer test rig. The original working fluid is R-134a, and the tests performed investigate a zeotropic refrigerant blend. The retrofit of the system for each new refrigerant is minimized. Modifications made to the system focus on adapting the throttling device to create a stable operating point. The cycle performance is evaluated using various parameters such as refrigerant mass flow, compressor input power, energy consumption and the duration of a standard drying cycle.

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Pages: 9

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Details

  • Original title: Experimental investigation of a heat pump tumble dryer with a zeotropic refrigerant blend.
  • Record ID : 30028594
  • Languages: English
  • Subject: HFCs alternatives
  • Source: 2021 Purdue Conferences. 18th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2021/05
  • Document available for consultation in the library of the IIR headquarters only.

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