HIGH-TEMPERATURE GAS-COOLED REACTOR CRITICAL EXPERIMENT AND ITS APPLICATION

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Description

Two types of critical experiments were conducted in support of the 40- Mw(e) Peach Bottom HTGR nucleardesign program. The first was the test-lattice experiment, where detailed measurements of reaction rates were examined in a lattice having a cold neutron spectrum characteristic of the HTGR. This program provided a method for checking the resonance integral of thorium, the Doppler coeificient of thorium, the detailed flux distribution in the lattice, and control-rod effectiveness within a cell. The second experiment was designed as a gross test of the calculational procedures and data. A small critical experiment having a clean geometry and a composition ... continued below

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Pages: 47

Creation Information

Bardes, R G; Brown, J R; Drake, M K; Fischer, P U; Pound, D C; Sampson, J B et al. August 1, 1963.

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Description

Two types of critical experiments were conducted in support of the 40- Mw(e) Peach Bottom HTGR nucleardesign program. The first was the test-lattice experiment, where detailed measurements of reaction rates were examined in a lattice having a cold neutron spectrum characteristic of the HTGR. This program provided a method for checking the resonance integral of thorium, the Doppler coeificient of thorium, the detailed flux distribution in the lattice, and control-rod effectiveness within a cell. The second experiment was designed as a gross test of the calculational procedures and data. A small critical experiment having a clean geometry and a composition similar to that of the HTGR was constructed. This assembly had approximately one-sixth the volume of the HTGR core and was surrounded on all sides by a 2-ft graphite reflector. Owing to the small core size and the large reflector area, this experiment provided a severe test of the calculational methods. Experiments with this facility encompassed reactivity-coefficient measurements, neutron-flux distributions, effectiveness of groups of control rods, and a measurement of the overall temperature coefficient. (N.W.R.)

Physical Description

Pages: 47

Source

  • Other Information: From International Atomic Energy Agency Symposium of Exponential and Critical Experiments with Calculations, Amsterdam, Sept. 1963. Orig. Receipt Date: 31-DEC-64

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  • Report No.: GA-4496
  • Report No.: CONF-133-36
  • Grant Number: AT(04-3)-314
  • DOI: 10.2172/4164744 | External Link
  • Office of Scientific & Technical Information Report Number: 4164744
  • Archival Resource Key: ark:/67531/metadc870892

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  • August 1, 1963

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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Bardes, R G; Brown, J R; Drake, M K; Fischer, P U; Pound, D C; Sampson, J B et al. HIGH-TEMPERATURE GAS-COOLED REACTOR CRITICAL EXPERIMENT AND ITS APPLICATION, report, August 1, 1963; United States. (digital.library.unt.edu/ark:/67531/metadc870892/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.