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Forced convective heat transfer of R22 evaporating in upward and downward flow in U-bends.
Author(s) : OUAZIA B., MARVILLET C., FEIDT M.
Type of article: Article, IJR article
Summary
The paper presents an experimental study of upward and downward flow of boiling heat transfer characteristics for R22 in and downstream of U-bends situated in a vertical plane. The average heat transfer coefficients are higher both in the bends and also downstream of the bends compared with flow in an equivalent horizontal straight tube. Correlations are proposed to predict the average flow of boiling heat transfer coefficients of refrigerant flowing in U-bends.
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Details
- Original title: Forced convective heat transfer of R22 evaporating in upward and downward flow in U-bends.
- Record ID : 1995-0831
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 17 - n. 4
- Publication date: 1994/05
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Indexing
- Themes: Mass transfer
- Keywords: Heat transfer coefficient; Measurement; Tube; Heat transfer; R22; Boiling
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- Author(s) : SPINDLER K., HAHNE E.
- Date : 1998/11/18
- Languages : German
- Source: DKV-Tagungsbericht 25. 1998, Würzburg.
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HEAT TRANSFER AUGMENTATION IN POOL BOILING BY A...
- Author(s) : PALM B. E.
- Date : 1991/08/10
- Languages : English
- Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
- Formats : PDF
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Evaporative characteristics of R12, R134a, and ...
- Author(s) : WATTELET J. P., CHATO J. C., SOUZA A. L., CHRISTOFFERSEN B. R.
- Date : 1994
- Languages : English
- Source: ASHRAE Transactions 1994.
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NUCLEATE POOL BOILING DATA ON R22.
- Author(s) : DORAIRAJ S., AGARWAL R. S.
- Date : 1987/08/24
- Languages : English
- Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
- Formats : PDF
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Evaporation of CO2 in a horizontal smooth tube.
- Author(s) : PARK C. Y., HRNJAK P. S.
- Date : 2005/08/02
- Languages : English
- Source: Commercial Refrigeration. Thermophysical Properties and Transfer Processes of Refrigerants. Proceedings of the IIR International Conferences.
- Formats : PDF
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