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ISSN オンライン: 2688-7231

ISBN 印刷: 978-1-56700-497-7 (Flash Drive)

ISBN オンライン: 978-1-56700-496-0

Proceedings of the 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019)
December, 28-31, 2019, IIT Roorkee, Roorkee, India

Study on Droplet Size Distribution Effect in the Analysis of Postulated Sodium Spray Fire Events Pertaining to SFR Safety

Get access DOI: 10.1615/IHMTC-2019.1100
pages 657-662

要約

Numerical studies have been carried out to analyze the influence of droplet size distribution on the consequence of sodium spray fire scenarios pertaining to SFR safety evaluation. The most commonly applied droplet size distribution functions for the liquid spray i.e., Rosin- Rammler, Log-Normal and Nukiyama-Tanasawa functions were used in order to compare their utility to represent the droplets size distribution in liquid sodium sprays. The effect of initial droplet size distribution on spray fire consequences has been studied using a 1-D sodium spray fire analysis code by incorporating three different distribution functions chosen. The code predicted values of peak pressure and maximum gas temperature based on the estimated parameters of different distribution functions have been compared. Based on this study, the sensitivity of 1-D code predictions with respect to chosen droplet size distribution functions in the evaluation of sodium spray fire consequences has been brought out. The results of this study are useful in the safety analysis of postulated sodium spray fire scenarios in SFR.
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