IIR document
Theoretical evaluation of different high-temperature heat pump configurations for low-grade waste heat recovery.
Author(s) : MATEU-ROYO C., NAVARRO-ESBRÍ J., MOTA BABILONI A., et al.
Type of article: Article, IJR article
Summary
The introduction of high-temperature heat pumps for waste heat recovery with low GWP refrigerants can reduce the greenhouse gas emissions in the industrial sector. This article evaluates the energy performance and the volumetric heating capacity of five vapour compression system configurations using n-Pentane, Butane, HCFO-1233zd(E) and HFO-1336mzz(Z) as HFC-245fa low GWP alternative fluids for heating production at temperatures of 110, 130 and 150°C and different temperature lifts. The selected architectures and the equations are presented, and the most appropriate method to calculate the intermediate pressure is selected. The results of the simulation show that single-stage cycle with an internal heat exchanger (IHX) becomes the most efficient configuration at lower temperature lifts whereas two-stage cycle with IHX at higher lifts. While n-Pentane provides the highest energy performance values, Butane (only up to 130°C) and HCFO-1233zd(E) highlight in the heating volumetric capacities. HFO-1336mzz(Z) provides intermediate values in both parameters. Consequently, the working fluid selection is highly dependent on the specifications and the energetic and installation costs.
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Details
- Original title: Theoretical evaluation of different high-temperature heat pump configurations for low-grade waste heat recovery.
- Record ID : 30023964
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 90
- Publication date: 2018/06
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2018.04.017
Links
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Indexing
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Themes:
HFCs;
Industrial heat pumps - Keywords: R245fa; Recovery; R1336mzz(Z); R1233zd(E); Heat pump; Performance; Model; Energy efficiency; Waste heat
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HFO-1336mzz(Z) and HCFO-1233zd(E) as alternativ...
- Author(s) : NAVARRO-ESBRÍ J., MOLÉS F., AMAT-ALBUIXECH M., et al.
- Date : 2018/09
- Languages : English
- Source: 1st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
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HFO-1336mzz(Z) and HCFO-1233zd(E) as alternativ...
- Author(s) : NAVARRO-ESBRÍ J., MOLÉS F., AMAT-ALBUIXECH M., et al.
- Date : 2018/09
- Languages : English
- Source: 1st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
- Formats : PDF
View record