2092 data of two-phase flow pressure drop were collected from 18 published papers of which the working fluids include R123, R134a, R22, R236ea, R245fa, R404a, R407C, R410a, R507, CO2, water and air. The hydraulic diameter ranges from 0.506 to 12mm; Relo from 10 to 37000, and Rego from 3 to 4×105. 11 correlations and models for calculating the two-phase frictional pressure drop were evaluated based upon these data. The results show that the accuracy of the Lockhart-Martinelli method, Mishima and Hibiki correlation, Zhang and Mishima correlation and Lee and Mudawar correalion in the laminar region is very close to each other, while the Muller-Steinhagen and Heck correlation is the best among the evaluated correlations in the turbulent region. A modified Chisholm correlation was proposed, which is better than all of the evaluated correlations in the turbulent region and its mean relative error is about 29%. For refrigerants only, the new correlation and Muller-Steinhagen and Heck correlation are very close to each other and give better agreement than the other evaluated correlations.
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16th International Conference on Nuclear Engineering
May 11–15, 2008
Orlando, Florida, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4815-9
PROCEEDINGS PAPER
Evaluation Analysis of Prediction Methods for Two-Phase Flow Pressure Drop in Mini-Channels Available to Purchase
Kaichiro Mishima
Kaichiro Mishima
Kyoto University, Osaka, Japan
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Licheng Sun
Kyoto University, Osaka, Japan
Kaichiro Mishima
Kyoto University, Osaka, Japan
Paper No:
ICONE16-48210, pp. 649-658; 10 pages
Published Online:
June 24, 2009
Citation
Sun, L, & Mishima, K. "Evaluation Analysis of Prediction Methods for Two-Phase Flow Pressure Drop in Mini-Channels." Proceedings of the 16th International Conference on Nuclear Engineering. Volume 2: Fuel Cycle and High Level Waste Management; Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition. Orlando, Florida, USA. May 11–15, 2008. pp. 649-658. ASME. https://doi.org/10.1115/ICONE16-48210
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