MCNP6 simulated performance of Micro-Pocket Fission Detectors (MPFDs) in the Transient REActor Test (TREAT) Facility
Micro-Pocket Fission Detectors (MPFDs) are under development for in-core neutron flux measurements at the Transient REActor Test facility (TREAT) and in other experiments at Idaho National Laboratory (INL). The sensitivity of MPFDs to the energy dependent neutron flux at TREAT has been determined for 0.0300-µm thick active material coatings of 242 Pu, 232 Th, natural uranium, and 93% enriched 235 U. Electrode thickness and active material thicknesses for the expected range of values was determined to have negligible effects on the neutron flux in the immediate vicinity of the experiment. Self-shielding effects in the active material of the MPFD was also confirmed to be negligible. Finally, fission fragment energy deposition was found to be in conformance with previously reported results.
- Research Organization:
- Idaho National Lab. (INL), Idaho Falls, ID (United States); Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE Office of Nuclear Energy (NE)
- Grant/Contract Number:
- NE0008305; AC07-05ID14517
- OSTI ID:
- 1344930
- Alternate ID(s):
- OSTI ID: 1415237; OSTI ID: 1471057
- Report Number(s):
- INL/JOU-17-41084-Rev000; TRN: US1700652
- Journal Information:
- Annals of Nuclear Energy (Oxford), Vol. 104; ISSN 0306-4549
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
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