A note on the accuracy of the upgraded Cheng and Todreas correlation for predicting pressure drop in hexagonal bare rod bundles

A note on the accuracy of the upgraded Cheng and Todreas correlation for predicting pressure drop in hexagonal bare rod bundles

•Thirty two bare rod hexagonal bundles pressure drop experiments data available.•Upgraded Cheng and Todreas correlation predicts accurately in both laminar and turbulent regimes.•Data in transition regime slightly over predicted. The accuracy of the prediction of the pressure drop in a bare rod hexa...

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Veröffentlicht in:Applied thermal engineering 2019-10, Vol.161, p.114193, Article 114193
Hauptverfasser: Chen, S.K., Chen, Y.M., Todreas, N.E.
Format: Artikel
Sprache:eng
Schlagworte:
Accuracy
Bundling
Correlation analysis
Experiments
Heat transfer
Predictions
Pressure
Pressure drop
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Zusammenfassung:•Thirty two bare rod hexagonal bundles pressure drop experiments data available.•Upgraded Cheng and Todreas correlation predicts accurately in both laminar and turbulent regimes.•Data in transition regime slightly over predicted. The accuracy of the prediction of the pressure drop in a bare rod hexagonal bundle by the upgraded Cheng and Todreas correlation has been demonstrated to be excellent using the 32 bundle experimental bare results available in the literature.
ISSN:1359-4311
1873-5606
DOI:10.1016/j.applthermaleng.2019.114193