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450/sup 0/F step transient thermal analysis of the LOFT pressurizer surge and spray line piping

Technical Report ·
DOI:https://doi.org/10.2172/5053603· OSTI ID:5053603
The LOFT pressurizer spray and surge line piping was analyzed for a 450/sup 0/F step change in fluid temperature. This transient was chosen to conservatively represent several pressurizer operating transients that had not previously been analyzed. These include temperature transients resulting from a 300/sup 0/F ..delta..T between pressurizer temperature and cold leg temperature, injection of a cooled (70/sup 0/F) slug of stagnant fluid into the hot (540/sup 0/F) spray line piping, and inflow of 100/sup 0/F primary coolant system water into the hot (480/sup 0/F) surge line piping.
Research Organization:
Idaho National Engineering Lab., Idaho Falls (USA)
DOE Contract Number:
EY-76-C-07-1570
OSTI ID:
5053603
Report Number(s):
LTR-1144-30; RE-A-77-040
Country of Publication:
United States
Language:
English

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