Simulation of condensation in a closed, slightly inclined horizontal pipe with a modified RELAP5 code
Simulation of condensation.pdf (1,610Mb) (Restricted access) Request copy
Què és aquest botó?
Aquest botó permet demanar una còpia d'un document restringit a l'autor. Es mostra quan:
- Disposem del correu electrònic de l'autor
- El document té una mida inferior a 20 Mb
- Es tracta d'un document d'accés restringit per decisió de l'autor o d'un document d'accés restringit per política de l'editorial
Rights accessRestricted access - publisher's policy
The performance of the RELAP5 thermal-hydraulic system code was analyzed in predicting very fast transient condensation processes in horizontal pipes. The code significantly underpredicted the heat transfer from the primary to the secondary side in case of rapid wall condensation process in the so called Inverse Edwards Pipe Experiment, where the condensation pipe was immerged in a cool water pool, and hot steam injection was performed into a pipe, which was closed on one side. The RELAP5 condensation model for horizontal pipes was modified in order to take into account a stratified flow pattern, and the effect of the local void fraction. The modified RELAP5 code was compared to the original code through the calculation of the Inverse Edwards Pipe Experiment. An improved prediction of the heat transfer process was achieved, considering the temperature, pressure and void fraction distribution along the horizontal pipe during the transient condensation process. (C) 2014 Elsevier B.V. All rights reserved.
CitationSzijártó, R.; Freixa, J.; Prasser, H. Simulation of condensation in a closed, slightly inclined horizontal pipe with a modified RELAP5 code. "Nuclear engineering and design", 01 Juliol 2014, vol. 273, p. 288-297.
|Simulation of condensation.pdf||1,610Mb||Restricted access|
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder