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A new concept of CO2 heat pump cycles and systems is described in the paper. Based on theoretical cycle calculations, an analysis of a CO2 transcritical cycle and its system is presented. The results show that this cycle gives heat recovery which supplies hot water while operating for air-conditioning or refrigeration purposes or heat pump systems. The authors are hopeful that the COP value of the CO2 cycle with two-stage compression can compete with those of R22 or R134a.
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Details
- Original title: CO2 heat pump cycle and system.
- Record ID : 1998-2528
- Languages: English
- Source: International Symposium on Air Conditioning in High Rise Buildings - 1997
- Publication date: 1997/09/09
- Document available for consultation in the library of the IIR headquarters only.
Links
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Indexing
- Themes: Heat pumps techniques
- Keywords: Design; Compression system; Heat pump; Critical point; Performance; Thermodynamic cycle; CO2
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The effective use of carbon dioxide for heat pu...
- Author(s) : KALNIN I. M., VASÛTIN V. A., PUSTOVALOV S. B.
- Date : 2003
- Languages : Russian
- Source: Kholodilnaya Tekhnika - n. 7
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Theoretical performance of carbon dioxide in su...
- Author(s) : BULLOCK C. E.
- Date : 1997/10/06
- Languages : English
- Source: Refrigerants for the 21st century. ASHRAE-NIST refrigerants Conference.
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Study on transcritical R744 (CO2) Voorhees heat...
- Author(s) : ZHA S., HAFNER A., NEKSÅ P.
- Date : 2005/08/30
- Languages : English
- Source: Commercial Refrigeration. Thermophysical Properties and Transfer Processes of Refrigerants. Proceedings of the IIR International Conferences.
- Formats : PDF
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ANALYSIS OF THE THERMODYNAMIC CYCLES FOR THE SI...
- Author(s) : DUBINSKY M. G.
- Date : 1983
- Languages : English
- Source: Heat pumps and air circulation in conditioned spaces.
- Formats : PDF
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Heat pumping cycle optimization using a non-equ...
- Author(s) : STAICOVICI M. D.
- Date : 2002/08/26
- Languages : English
- Formats : PDF
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