GRAYSKY-A new gamma-ray skyshine code
- British Nuclear Fuels Ltd., Cheshire (United Kingdom)
This paper describes a new prototype gamma-ray skyshine code GRAYSKY (Gamma-RAY SKYshine) that has been developed at BNFL, as part of an industrially based master of science course, to overcome the problems encountered with SKYSHINEII and RANKERN. GRAYSKY is a point kernel code based on the use of a skyshine response function. The scattering within source or shield materials is accounted for by the use of buildup factors. This is an approximate method of solution but one that has been shown to produce results that are acceptable for dose rate predictions on operating plants. The novel features of GRAYSKY are as follows: 1. The code is fully integrated with a semianalytical point kernel shielding code, currently under development at BNFL, which offers powerful solid-body modeling capabilities. 2. The geometry modeling also allows the skyshine response function to be used in a manner that accounts for the shielding of air-scattered radiation. 3. Skyshine buildup factors calculated using the skyshine response function have been used as well as dose buildup factors.
- OSTI ID:
- 5928059
- Report Number(s):
- CONF-930601-; CODEN: TANSAO
- Journal Information:
- Transactions of the American Nuclear Society; (United States), Vol. 68; Conference: American Nuclear Society (ANS) annual meeting, San Diego, CA (United States), 20-24 Jun 1993; ISSN 0003-018X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
G CODES
BENCHMARKS
GAMMA RADIATION
SHIELDING
BNFL
COMPUTERIZED SIMULATION
NUCLEAR POWER PLANTS
RADIATION PROTECTION
COMPUTER CODES
ELECTROMAGNETIC RADIATION
IONIZING RADIATIONS
NATIONAL ORGANIZATIONS
NUCLEAR FACILITIES
POWER PLANTS
RADIATIONS
SIMULATION
THERMAL POWER PLANTS
UNITED KINGDOM ORGANIZATIONS
663620* - Physics of Radiations Other Than Neutrons- (1992-)