Measurement of TFTR D-T radiation shielding efficiency
Abstract
High power D-T fusion reactor designs presently exhibit complex geometric and material density configurations. Simulations of the radiation shielding required for safe operation and full compliance with all regulatory requirements must include sufficient margin to accommodate uncertainties in material properties and distributions, uncertainties in the final configurations, and uncertainties in approximations employing the homogenization of complex geometries. Measurements of radiation shielding efficiency performed in a realistic D-T tokamak environment can provide empirical guidance for simulating safe, efficient, and cost effective shielding systems for future high power fusion reactors. In this work, the authors present the results of initial measurements of the TFTR radiation shielding efficiency during high power D-T operations with record neutron yields. The TFTR design objective is to limit the total dose-equivalent at the nearest PPPL property lines from all radiation pathways to 10 mrem per calendar year. Compliance with this design objective over a calendar year requires measurements in the presence of typical site backgrounds of about 80 mrem per year.
- Authors:
-
- Princeton Univ., NJ (United States); and others
- Publication Date:
- OSTI Identifier:
- 196861
- Report Number(s):
- CONF-940664-
TRN: 95:005767-0028
- Resource Type:
- Conference
- Resource Relation:
- Conference: ISFNT-3: international symposium on fusion nuclear technology, Los Angeles, CA (United States), 27 Jun - 1 Jul 1994; Other Information: PBD: 1994; Related Information: Is Part Of Third international symposium on fusion nuclear technology; PB: 362 p.
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION; TFTR TOKAMAK; RADIATION DOSE DISTRIBUTIONS; SHIELDING; PULSED D-T REACTORS
Citation Formats
Kugel, H W, Ascione, G, and Elwood, S. Measurement of TFTR D-T radiation shielding efficiency. United States: N. p., 1994.
Web.
Kugel, H W, Ascione, G, & Elwood, S. Measurement of TFTR D-T radiation shielding efficiency. United States.
Kugel, H W, Ascione, G, and Elwood, S. 1994.
"Measurement of TFTR D-T radiation shielding efficiency". United States.
@article{osti_196861,
title = {Measurement of TFTR D-T radiation shielding efficiency},
author = {Kugel, H W and Ascione, G and Elwood, S},
abstractNote = {High power D-T fusion reactor designs presently exhibit complex geometric and material density configurations. Simulations of the radiation shielding required for safe operation and full compliance with all regulatory requirements must include sufficient margin to accommodate uncertainties in material properties and distributions, uncertainties in the final configurations, and uncertainties in approximations employing the homogenization of complex geometries. Measurements of radiation shielding efficiency performed in a realistic D-T tokamak environment can provide empirical guidance for simulating safe, efficient, and cost effective shielding systems for future high power fusion reactors. In this work, the authors present the results of initial measurements of the TFTR radiation shielding efficiency during high power D-T operations with record neutron yields. The TFTR design objective is to limit the total dose-equivalent at the nearest PPPL property lines from all radiation pathways to 10 mrem per calendar year. Compliance with this design objective over a calendar year requires measurements in the presence of typical site backgrounds of about 80 mrem per year.},
doi = {},
url = {https://www.osti.gov/biblio/196861},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Dec 31 00:00:00 EST 1994},
month = {Sat Dec 31 00:00:00 EST 1994}
}