SYMPOSIA PAPER Published: 01 January 1984
STP32684S

Equalization of Axial Neutron Flux Density for the Transmutation Doping of Silicon in a Heavy Water Reactor

Source

New irradiation facilities for the neutron transmutation doping of silicon crystals with a diameter of up to 110 mm have been installed in the Danish heavy-water reactor DR 3. Cross-sectional uniformity is easily achieved by rotation, but axial variation is affected by different reactor operating conditions. A computer program has been developed as an aid in designing a stainless steel absorber that limits the maximum deviation with a minimum reduction of the average neutron fluence. Comprehensive experimental verification has been carried out to ascertain the quality of the NTD silicon within close specifications.

Author Information

Andresen, K
Heydorn, K
Nonbøl, E
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Details
Developed by Committee: F01
Pages: 605–614
DOI: 10.1520/STP32684S
ISBN-EB: 978-0-8031-4915-1
ISBN-13: 978-0-8031-0403-7