WitrynaBREAK LOCA Jun Liao and Katsuhiro Ohkawa LOCA Integrated Services I, Westinghouse Electric Company 1000 Westinghouse Drive, Cranberry Township, PA 16066, USA ... and cold legs are scaled to keep the similarity of Froude number. However, the existing ROSA scaling analysis [7][8] focus on the Westinghouse four … Witryna15 kwi 2015 · A cold leg condensation model was developed for the W COBRA/TRAC-TF2 safety analysis code. The model correlated the COSI test data and addressed the scaling issues with respect to geometry, pressure, and steam and water flow rates expected during a typical PWR LOCA. The correlation was found to be in good …
Cold Leg Large Break LOCA Analysis for KNGR using TRAC-M Code
Witryna4. DESCRIPTION OF TEST. This separate effects test was performed to investigate the steam/water flow phenomena in the intact cold legs, downcomer and lower plenum of a PWR during end-of-blowdown of a large cold leg break LOCA with cold leg ECC injection. Boundary Conditions: In this test the pump simulators of the three intact … Witryna14 lut 2012 · System pressure continues to decrease as RCS inventory is lost through the break. The cold legs will reach saturation conditions, and two-phase flow at the … healthline insomnia home remedies
Release of RPV stored heat following a cold-leg LOCA
WitrynaThe post-LOCA long term cooling (LTC) performance of the Korean Standard Nuclear Power Plant (KSNPP) is analyzed for both small break LOCA and large break LOCA. The RELAP5/MOD3.2.2 ... unbroken cold leg was taken into account when calculating the total amount of RWT water injected 2) No ECCS flow into the intact loop hot leg … WitrynaIn cold leg Large Break LOCA (LBLOCA), it is assumed that the water injected through broken cold leg is spilled out the break in current PWR, which the water is injected to … Witrynathe lessons learned from the small break LOCA ISPs. Section 2 will give an overview on the development of small break LOCA issue. Main phenomena and relevance of … healthline insulin