During the steam condensation, the presence of non-condensable gases is an important issue affecting the efficiency of the whole thermodynamic process. For this reason, many researchers investigated it by theoretical or experimental methods. A heat and mass transfer analogy model on steam condensation in presence of air over the vertical external surface based on the diffusion layer model is modified in the present paper. Based on previous authors’ experience, the suction effect at the gas-liquid interface and other analogy drawbacks are identified and overcome by supplementing it with more detailed analysis as well as targeted experiments. The experimental data obtained for condensation, outside vertical tube with an external diameter of 38 mm, of air/steam and helium/air/steam mixture, have been used to verify the present heat and mass transfer analogy formulation. By comparing against different available experimental data and previous formulations, the heat and mass transfer analogy formulation is demonstrated to be a accurate enough theoretical approximation. The deviation between predicted values of the new model and experiment results of this paper is less than 15% which has relative higher precision.
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2016 24th International Conference on Nuclear Engineering
June 26–30, 2016
Charlotte, North Carolina, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5003-9
PROCEEDINGS PAPER
Heat and Mass Transfer Analogy of Steam Condensation With Air Over Vertical External Surface Available to Purchase
Jiqiang Su,
Jiqiang Su
China Nuclear Power Engineering Co. Ltd., Beijing, China
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Yuxiang Wu,
Yuxiang Wu
China Nuclear Power Engineering Co. Ltd., Beijing, China
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Shuliang Huang,
Shuliang Huang
China Nuclear Power Engineering Co. Ltd., Beijing, China
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Huiqiang Xu,
Huiqiang Xu
Harbin Engineering University, Harbin, China
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Yanmin Zhou
Yanmin Zhou
Harbin Engineering University, Harbin, China
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Jiqiang Su
China Nuclear Power Engineering Co. Ltd., Beijing, China
Yuxiang Wu
China Nuclear Power Engineering Co. Ltd., Beijing, China
Shuliang Huang
China Nuclear Power Engineering Co. Ltd., Beijing, China
Huiqiang Xu
Harbin Engineering University, Harbin, China
Yanmin Zhou
Harbin Engineering University, Harbin, China
Paper No:
ICONE24-60581, V003T09A040; 8 pages
Published Online:
October 25, 2016
Citation
Su, J, Wu, Y, Huang, S, Xu, H, & Zhou, Y. "Heat and Mass Transfer Analogy of Steam Condensation With Air Over Vertical External Surface." Proceedings of the 2016 24th International Conference on Nuclear Engineering. Volume 3: Thermal-Hydraulics. Charlotte, North Carolina, USA. June 26–30, 2016. V003T09A040. ASME. https://doi.org/10.1115/ICONE24-60581
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