D111 TRAC-BF1コードの熱水力不安定現象への適用生の検討(OS10 混相流動)

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  • D111 Assessment of Applicability of TRAC-BF1 for Thermal Hydraulic Instability

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To assess the stability of advanced light water reactors or steam generators in FBR, JAEA has been developing a prediction method for thermal-hydraulic instability based on system analysis code TRAC-BF1. In the present paper, thermal-hydraulic instability experiments were analyzed with TRAC-BF1 code and the applicability of the code for thermal-hydraulic instability was estimated. The heat flux of the boundary between stable and unstable region is in agreement with the experimental data within about 10% of error. The onset of instability can be predicted with TRAC-BF1.

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