Once-through testing of the CRBRP prototype steam generator
Conference
·
OSTI ID:5151375
The prototype steam generator for the Clinch River Breeder Reactor Plant (CRBRP) was designed, built, and tested by Rockwell International. A portion of these tests, performed by the Energy Technology Engineering Center during early 1983, had the specific objective of supporting the design of a hockey-stick-type steam generator for use in the once-through cycle mode, including demonstration of steady-state operation, startup and shutdown in a once-through mode, and stable operation at low power. Eighteen steady-state performance tests were performed at power levels from 33 to 70 MWt, which represented 20 to 42 percent full power per tube of a commercial design. Pretest predictions are compared with test results. Startup and shutdown operations under a full-liquid condition in the steam generator are described. Steam generator tube inlet orifices, removed during the CRBRP test program, were not replaced for these tests. Therefore, dynamic instability was encountered during certain tests, and the results are compared with the DYNAM code for predicting flow instability conditions. Sodium and steam temperature maldistributions cause by testing at off-design conditions for this unit are also discussed.
- OSTI ID:
- 5151375
- Report Number(s):
- CONF-871234-
- Country of Publication:
- United States
- Language:
- English
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