Abstract
The RELAP5/MOD3.2 code was validated experimentally for simulating the condensation heat transfer characteristics inside C-type tubes of the passive residual heat removal heat exchanger. In order to eliminate the effects of the boiling model out of tubes when simulating condensation, the C-type tube condensation simulation, in which the wall temperature was given, was performed using RELAP5/MOD3.2 code. Comparing the simulation results with the experimental data, it is found that the maximum relative deviation between the experimental and calculated condensation heat transfer coefficients exceeds 80% in the range of experimental date, and the change tendency of the average condensation heat transfer coefficient is obviously different with the increase in the outlet condensate Reynolds. RELAP5/MOD3.2 code uses Chato model to calculate the condensation of the horizontal part and uses the Nusselt model to calculate the condensation of the vertical part when simulating the C-type condensation experiment in the range of experimental parameters. The results show that the standard code in RELAP5/MOD3.2 cannot give completely reliable predictions when simulating the condensation heat transfer characteristics inside the C-type tubes.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Similar content being viewed by others
References
V. H. RANSOM, J. A. TRAPP, and R. J. WAGNER. RELAP50MOD3 Code Manual, Volume IV: Models and Correlations [M]. IV, Idaho National Engineering Laboratory. 1995(6).
Liu, H., Liang, D. A review of clean energy innovation and technology transfer in China [J]. Renewable and Sustainable Energy Reviews, Volume 18, February 2013, Pages 486–498.
D. Lioce, M. Asztalos, A. Alemberti, L. Barucca, M. Frogheri, G. Saiu. AP1000 passive core cooling system pre-operational tests procedure definition and simulation by means of Relap5 Mod. 3.3 computer code [J]. Nuclear Engineering and Design, Volume 250, September 2012, Pages 538–547.
J. Zou, Q. Li, L.L. Tong, X.W. Cao. Assessment of passive residual heat removal system cooling capacity [J]. Progress in Nuclear Energy, Volume 70, January 2014, Pages 159–166.
Ki Yong Choi,* Hyun Sik Park, Sang Jae Kim, Hee Cheon No, Yong Seok Bang. Assessment and Improvement of Condensation Models in RELAP5/MOD3.2 [J]. Korea Advanced Institute of Science and Technology, Department of Nuclear Engineering 373-1 Kusong Dong, Yusong Gu, Taejon 305–701, Korea.
Ki Yong Choi*, Heung June Chung, Hee Cheon No. Direct-contact condensation heat transfer model in RELAP5/MOD3.2 with/without noncondensable gases for horizontally stratified flow [J]. Nuclear Engineering and Design, Volume 211, Issues 2–3, February 2002, Pages 139–151.
Hyun Sik Park, Hee Cheon NO, Young Seok Bang. Analysis of experiments for in-tube steam condensation in the presence of noncondensable gases at a low pressure using the RELAP5/MOD3.2 code modified with a non-iterative condensation model [J]. Nuclear Engineering and Design, Volume 225, Issues 2–3, November 2003, Pages 173–190.
YU Lei, XIE Hai-yan, GUI Xue-wen, CAI Zhang-sheng. Assessment of RELAP5 Code by Experiments of Passive Residual Heat Removal System [J]. Atomic Energy Science and Technology, 2008, 42(8):678–684.
Yuxian Rao*, Lei Yu, Weitong Li, Fan Zhang. A choice of pure steam vertical in-tube condensation model for simulating a passive residual heat removal system [J]. Nuclear Engineering and Design, Nuclear Engineering and Design, Volume 293, November 2015, Pages 112–118.
Chato, J.C., et al. Laminar condensation inside horizontal and inclined tubes [J]. Am. Soc. Heating Refrigeration Air Conditioning Eng. 1962, J. 4, 52.
Nusselt, W.A. The surface condensation of water vapor [J]. Z. Ver. Deutsch. Ing. 1916, (60) 541–546.
Shah, M.M. A general correlation for heat transfer during film condensation inside pipes [J]. Heat Mass Transfer, Volume 22, 1979, Pages 547–556.
Colburn, A.P., et al. Design of cooler condensers for mixtures of vapors with noncondensing gases [J]. Ind. Eng. Chem. 1933, 26 (11), 1178.
Acknowledgments
The paper is funded by the International Exchange Program of Harbin Engineering University for Innovation-oriented Talents Cultivation.
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2017 Springer Science+Business Media Singapore
About this paper
Cite this paper
Tian, W., Cao, X., Sun, Z., Yang, Y., Lei, W. (2017). Simulation Analysis of Condensation Heat Transfer Inside C-type Tubes Based on RELAP5/MOD3.2. In: Jiang, H. (eds) Proceedings of The 20th Pacific Basin Nuclear Conference. PBNC 2016. Springer, Singapore. https://doi.org/10.1007/978-981-10-2314-9_78
Download citation
DOI: https://doi.org/10.1007/978-981-10-2314-9_78
Published:
Publisher Name: Springer, Singapore
Print ISBN: 978-981-10-2313-2
Online ISBN: 978-981-10-2314-9
eBook Packages: EnergyEnergy (R0)