Summary of results from velocity profile tests and wastage tests in support of LLTR series II test A-4. [Large Leak Test Rig]

Technical Report · Thu Jan 01 00:00:00 EST 1981

DOI:https://doi.org/10.2172/5982624· OSTI ID:5982624

Greene, D. A.

The following conclusions were drawn from the experimental program conducted in support of LLTR (Large Leak Test Rig) Series II Test A-4: Fabrication technique for making precise slits was developed. Wastage boundary agrees with velocity profile boundary. Circumferential slit angles would have to be 120/sup 0/ to ensure adequate coverage of adjacent tubes. 120/sup 0/ circumferential slit weakens tubes such that maintaining desired slit dimensions for LLTI application is not considered practical. Use of intermittent slit geometry would be required. 120/sup 0/ slits, precisely machined and precisely aligned with target tubes, produced different penetration rates on adjacent tubes. Production of simultaneous failures in LLTI with 120/sup 0/ slit or simulated interrupted slit is not considered credible.

• Research Organization: General Electric Co., Sunnyvale, CA (USA). Advanced Reactor Systems Dept.
• DOE Contract Number: AT03-76SF70030
• OSTI ID: 5982624
• Report Number(s): XL-796-10004; ON: DE82002310; TRN: 82-000455
• Country of Publication: United States
• Language: English

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