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Analysis of internal helically finned tubes for parabolic trough design by CFD tools
Muñoz Antón, Javier and Abánades Velasco, Alberto
Analysis of internal helically finned tubes for parabolic trough design by CFD tools.
"Applied Energy", v. 88
This paper has analysed the effect of the utilization of internal finned tubes for the design of parabolic
trough collectors with computational fluid dynamics tools. Our numerical approach has been qualified
with the computational estimation of reported experimental data regarding phenomena involved in
finned tube applications and solar irradiation of parabolic trough collector. The application of finned
tubes to the design of parabolic trough collectors must take into account features as the pressure losses,
thermal losses and thermo-mechanical stress and thermal fatigue. Our analysis shows an improvement
potential in parabolic trough solar plants efficiency by the application of internal finned tubes.
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