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Experimental results of a high-temperature heat pump prototype with R1336mzz(Z) for various production temperatures.
Number: 0077
Author(s) : MOTA BABILONI A., BARRAGÁN-CERVERA A., UDROIU C-M., GIMÉNEZ-PRADES P., NAVARRO-ESBRÍ J.
Summary
Vapour compression heat pumps are the most promising technologies for decarbonisation in high-temperature processes. This paper presents experimental data of a high-temperature heat pump prototype designed for R-245fa when operating with R1336mzz(Z). Forty-five steady-state experiments were performed in a scroll compressor prototype with a liquid-to-suction heat exchanger at production temperatures between 102 °C and 158 °C (temperature difference of the secondary fluid between 8.5 K and 22 K) and waste heat temperatures between 80 °C and 118 °C (temperature difference of the secondary fluid between 12.6 K and 47.5 K). The heating capacity varied between 9.9 kW and 13.4 kW, and the coefficient of performance was between 2.0 and 4.8. Compared to previous experimental results using R-245fa, R-1336mzz(Z) results in higher COP under the same operating conditions. A medium-to-low carbon emission factor would make this solution more environmentally friendly than a natural gas boiler for small-scale heating production.
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Details
- Original title: Experimental results of a high-temperature heat pump prototype with R1336mzz(Z) for various production temperatures.
- Record ID : 30031370
- Languages: English
- Subject: Technology
- Source: Proceedings of the 26th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Publication date: 2023/08/21
- DOI: http://dx.doi.org/10.18462/iir.icr.2023.0077
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Indexing
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Themes:
Heat pumps techniques;
HFO et HCFO;
HFCs - Keywords: High temperature; Heat pump; R1336mzz(Z); Expérimentation; Prototype; Waste heat; COP; Low GWP; R245fa
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