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ISSN オンライン: 2688-7231

ISBN オンライン: 978-1-56700-524-0

Proceedings of the 26thNational and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India
December, 17-20, 2021, IIT Madras, Chennai, India

A STUDY ON TWO-PHASE PRESSURE DROP IN ONCE THROUGH STEAM GENERATOR USED IN SFR

Get access DOI: 10.1615/IHMTC-2021.3320
pages 2197-2202

要約

Waterside flow instability is an undesired phenomenon occurring, under certain circumstances, in sodium heated steam generators used in sodium-cooled fast reactors (SFR). A reliable prediction of two-phase pressure drop is essential to assess the risk of flow instability and establish a stable operating regime in terms of operating parameters. Towards this, experiments have been conducted at Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam, India, to investigate the two-phase pressure drop over a wide range of water mass flux values. The measured two-phase pressure drop data are compared with the data obtained using available empirical correlations. The relative importance of acceleration, gravity, and frictional components of two-phase pressure drop is studied for vertical upward flow. It is seen that the acceleration component of pressure drop is insignificant, whereas the frictional component is mainly controlling the two-phase pressure drop. Based on the measured data, a correlation has been proposed for predicting the two-phase flow frictional multiplier, closely matching the experimental data.
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