ARMY PACKAGE POWER REACTOR ZERO POWER EXPERIMENTS (ZPE-1)
The complete results of the Army Package Power Reactor Zero Power Experiments performed on the APPR1 core at the Alco Criticality Facility are given. The fully loaded cold clean core, containing 22 480 1 grams of U/sup 235/ , has an excess K of approximately 16%. The temperature coefficient at 170 deg F is approximately --0.67 x 10/sup -4/ DELTA K/ deg F. The presence of fine structure in neutron flux measurements and control rod calibrations is evident and further study of these effects from an academic point of view seems justified. Peak to average flux in the core is as much as 4 to 1 in the tip of the center control rod fuel element. However, flux suppressors placed in the water hole in this region are effective in reducing this value to approximately 3 to 1. (auth)
- Research Organization:
- Alco Products, Inc., Schenectady, NY (United States)
- DOE Contract Number:
- AT(11-1)-318
- NSA Number:
- NSA-12-009393
- OSTI ID:
- 4339542
- Report Number(s):
- APAE-8
- Resource Relation:
- Other Information: Decl. Aug. 14, 1957. Orig. Receipt Date: 31-DEC-58
- Country of Publication:
- United States
- Language:
- English
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