A generalized quasi-steady and one-dimensional model for predicting the frost growth on flat plate was proposed based on the previous theoretical models. To improve the predicting ability of the current model, a modified semi-empirical correlation for calculating initial condition of frost density was presented experimentally. The experiments were conducted in a suction-type open-loop wind tunnel under a series of experimental conditions: air temperature −8°C to 19°C, humidity 42% to 80%, velocity 5m/s and the temperature of cold plate −16°C to −8°C. The numerical results of frost thickness, frost density, frost surface temperature and heat flux rate were compared to the experimental data. The simulation results were found agree with the experimental results in a maximum error of 10%. The presented model was further validated by comparing with the previous published experimental data in a wide range of frosting conditions. It was found that the presented model was a simple but universal one to predict the frost growth on cold flat plate.
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2010 14th International Heat Transfer Conference
August 8–13, 2010
Washington, DC, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4939-2
PROCEEDINGS PAPER
An Improved Generalized Model for Predicting Frost Growth on a Cold Flat Plate
Q. C. Guo,
Q. C. Guo
Beijing University of Technology, Beijing, China
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W. Wang,
W. Wang
Beijing University of Technology, Beijing, China
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J. Xiao,
J. Xiao
Beijing University of Technology, Beijing, China
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W. P. Lu
W. P. Lu
Beijing University of Technology, Beijing, China
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Q. C. Guo
Beijing University of Technology, Beijing, China
W. Wang
Beijing University of Technology, Beijing, China
J. Xiao
Beijing University of Technology, Beijing, China
W. P. Lu
Beijing University of Technology, Beijing, China
Paper No:
IHTC14-22492, pp. 463-472; 10 pages
Published Online:
March 1, 2011
Citation
Guo, QC, Wang, W, Xiao, J, & Lu, WP. "An Improved Generalized Model for Predicting Frost Growth on a Cold Flat Plate." Proceedings of the 2010 14th International Heat Transfer Conference. 2010 14th International Heat Transfer Conference, Volume 4. Washington, DC, USA. August 8–13, 2010. pp. 463-472. ASME. https://doi.org/10.1115/IHTC14-22492
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