Radiation dosimetry at the BNL High Flux Beam Reactor

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The HFBR is a heavy water, D{sub 2}O, cooled and moderated reactor with twenty-eight fuel elements containing a maximum of 9.8 kilograms of {sup 235}U. The core is 53 cm high and 48 cm in diameter and has an active volume of 97 liters. The HFBR, which was designed to operate at forty mega-watts, 40 NW, was upgraded to operate at 60 NW. Since 1991, it has operated at 30 MW. In a normal 30 MW operating cycle the HFBR operates 24 hours a day for thirty days, with a six to fourteen day shutdown period for refueling and maintenance ... continued below

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7 p.

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Holden, N.E.; Hu, J.P. & Reciniello, R.N. February 1, 1998.

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Description

The HFBR is a heavy water, D{sub 2}O, cooled and moderated reactor with twenty-eight fuel elements containing a maximum of 9.8 kilograms of {sup 235}U. The core is 53 cm high and 48 cm in diameter and has an active volume of 97 liters. The HFBR, which was designed to operate at forty mega-watts, 40 NW, was upgraded to operate at 60 NW. Since 1991, it has operated at 30 MW. In a normal 30 MW operating cycle the HFBR operates 24 hours a day for thirty days, with a six to fourteen day shutdown period for refueling and maintenance work. While most reactors attempts to minimize the escape of neutrons from the core, the HFBR`s D{sub 2}O design allows the thermal neutron flux to peak in the reflector region and maximizes the number of thermal neutrons available to nine horizontal external beams, H-1 to H-9. The HFBR neutron dosimetry effort described here compares measured and calculated energy dependent neutron and gamma ray flux densities and/or dose rates at horizontal beam lines and vertical irradiation thimbles.

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7 p.

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INIS; OSTI as DE98004445

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  • International conference on the physics of nuclear science and technology, Long Island, NY (United States), 5-8 Oct 1998

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  • Other: DE98004445
  • Report No.: BNL--65243
  • Report No.: CONF-981003--
  • Grant Number: AC02-76CH00016
  • Office of Scientific & Technical Information Report Number: 654115
  • Archival Resource Key: ark:/67531/metadc703393

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 6, 2015, 1:18 p.m.

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Holden, N.E.; Hu, J.P. & Reciniello, R.N. Radiation dosimetry at the BNL High Flux Beam Reactor, article, February 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc703393/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.