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Steady-state pressure losses for Multirod Burst Test (MRBT) bundle B-5. [PWR]

Technical Report ·
OSTI ID:5235493
The Oak Ridge National Laboratory (ORNL) has undertaken the Multirod Burst Test (MRBT) program for the purpose of characterizing the deformation behavior of unirradiated fuel cladding. As part of this program, ORNL contracted with the Babcock and Wilcox company (B and W) to obtain experimental hydraulic data for one of the MRBT bundles. This report presents the data that describe the pressure loss characteristics of Multirod Burst Test Bundle B-5 and a reference or pre-burst geometry bundle. The 8 x 8-rod bundles were flow tested at Reynolds numbers between 17,700 nd 177,000. For each of the five test flow rates, the static pressures at 480 points on the perimeter of the bundles were measured. The total pressure loss for the B-5 bundle showed about a fourfold increase over that for the reference geometry bundle. The shape of the axial pressure loss profile for the B-5 bundle agreed with the observed distribution of the clad deformations. The experimental data presented in this report will be used as one of essential inputs to the continuing analytical work at ORNL.
Research Organization:
Oak Ridge National Lab., TN (USA); Babcock and Wilcox Co., Alliance, OH (USA). Research and Development Div.
DOE Contract Number:
W-7405-ENG-26
OSTI ID:
5235493
Report Number(s):
NUREG/CR-2597; ORNL/Sub-80-40441/1; ON: DE82013195
Country of Publication:
United States
Language:
English

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