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Experimental investigation on flow boiling pressure drop of R-290 and R-600a in a horizontal small tube.
Author(s) : DIEHL DE OLIVEIRA J., COPETTI J. B., PASSOS J. C.
Type of article: Article, IJR article
Summary
Pressure drop for propane and isobutane were performed in a horizontal small tube of stainless steel with 1.0?mm inner diameter. The tests were conducted at mass fluxes from 240 to 480?kg?m-2s-1 and heat fluxes from 5 to 60 kW m-2 at 25 °C saturation temperature. The effect of flow patterns, mass flux, vapour quality and heat flux are discussed. Strong influence of mass flux and vapour quality on pressure drop was found. The comparisons of experimental data with predicted value proposed by existing correlations available in literature for pressure drop are analyzed.
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Details
- Original title: Experimental investigation on flow boiling pressure drop of R-290 and R-600a in a horizontal small tube.
- Record ID : 30022531
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 84
- Publication date: 2017/12
- DOI: http://dx.doi.org/10.1016/j.ijrefrig.2017.08.004
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Indexing
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Themes:
Thermodynamic measurements;
Hydrocarbons - Keywords: R600a; Isobutane; R290; Propane; Expérimentation; Flow boiling; Pressure drop
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