ShareSummary
Typical condenser design model simply divides the heat rejection process into de-superheating, two-phase, and subcooling. By neglecting condensation in presence of superheated vapor, error can be introduced. Experimental data on superheated CO2 and R410A flow in horizontal microfin tubes of 6 mm inner diameter at reduced pressures from 0.55 to 0.95 are provided. Gradually increasing heat transfer coefficient, from when tube wall reaches saturation temperature, demonstrates the criteria of condensation occurrence and the proposed heat transfer model.
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Details
- Original title: Effect of microfins on heat rejection in desuperheating, condensation in superheated region and two phase zone.
- Record ID : 30006591
- Languages: English
- Source: 2012 Purdue Conferences. 14th International Refrigeration and Air-Conditioning Conference at Purdue.
- Publication date: 2012/07/16
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Indexing
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Heat rejection in condensers: desuperheating, c...
- Author(s) : KONDOU C., HRNJAK P.
- Date : 2012/07/16
- Languages : English
- Source: 2012 Purdue Conferences. 14th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Flow boiling heat transfer and pressure drop of...
- Author(s) : INOUE N., SAGAWA K., JIGE D.
- Date : 2017/04/23
- Languages : English
- Source: 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants.
- Formats : PDF
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A comprehensive assessment of two-phase flow bo...
- Author(s) : VIDHYARTHI N. K., DEB S., GAJGHATE S. S., PAL S., DAS D. C., DAS A. K., SAHA B. B.
- Date : 2023/02
- Languages : English
- Source: Energies - vol. 16 - 4
- Formats : PDF
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A new flow pattern map for flow boiling of R410...
- Author(s) : YANG C.-M., HRNJAK P.
- Date : 2020/01
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 109
- Formats : PDF
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Prediction of two-phase heat transfer in horizo...
- Author(s) : JASSIM E. W., NEWELL T. A., NEWELL B. E.
- Date : 2010/07/12
- Languages : English
- Source: 2010 Purdue Conferences. 13th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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