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Influence of refrigeration oil on the heat transfer and pressure drop of supercritical CO2 during in-tube cooling.
Author(s) : ZINGERLI A., GROLL E. A.
Summary
For this purpose, test runs were conducted with pure carbon dioxide, and with 2 and 5% of refrigeration oil entrained in the flow. The experiments showed that a 5% oil concentration reduces the heat transfer coefficient on average by 25%, while a 2% oil concentration reduces the heat transfer coefficient on average by 15%.
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Details
- Original title: Influence of refrigeration oil on the heat transfer and pressure drop of supercritical CO2 during in-tube cooling.
- Record ID : 2001-0683
- Languages: English
- Source: Final proceedings of the 4th IIR-Gustav Lorentzen Conference on Natural Working Fluids at Purdue.
- Publication date: 2000/07/25
Links
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Indexing
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Themes:
Heat transfer;
CO2;
Lubricants - Keywords: Heat transfer coefficient; Lubricant; Tube; Cooling; Transcritical cycle; Thermodynamic cycle; Refrigerant; CO2; Pressure drop
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- Author(s) : ROBINSON D. M., PITLA S., GROLL E. A., RAMADHYANI S.
- Date : 1998/07/14
- Languages : English
- Source: Proceedings of the 1998 Purdue International Refrigeration Conference.
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An experimental study on heat transfer and pres...
- Author(s) : OH H. K., SON C. H., JEON M. J., et al.
- Date : 2007/08/21
- Languages : English
- Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
- Formats : PDF
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Heat transfer of supercritical carbon dioxide f...
- Author(s) : OLSON D. A.
- Date : 2000/07/25
- Languages : English
- Source: Final proceedings of the 4th IIR-Gustav Lorentzen Conference on Natural Working Fluids at Purdue.
- Formats : PDF
View record
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Correlating the heat transfer coefficient durin...
- Author(s) : PITLA S. S., GROLL E. A., RAMADHYANI S.
- Date : 2000/09/18
- Languages : English
- Source: Selected issues on CO2 as working fluid in compression systems. Workshop proceedings.
View record
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Heat transfer and pressure drop characteristics...
- Author(s) : OH H. K., YU T. G., OH J. T., et al.
- Date : 2006/05/21
- Languages : English
- Source: ACRA-2006. Proceedings of the 3rd Asian conference on refrigeration and air conditioning.
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