SCAP; point kernel single or albedo scatter. [CDC7600,CYBER175; FORTRAN (99%) and COMPASS (1%)]

Technical Report ·

OSTI ID:6233359

Disney, R K; Bevan, S E

SCAP solves for radiation transport in complex geometries using the single- or albedo-scatter point kernel method. The program is designed to calculate the neutron or gamma-ray radiation level at detector points located within or outside a complex radiation scatter source geometry or a user-specified discrete scattering volume. The geometry is described by zones bounded by intersecting quadratic surfaces with an arbitrary maximum number of boundary surfaces per zone. The anisotropic point sources are described as point-wise energy dependent distributions of polar angles on a meridian; isotropic point sources may be specified also. The attenuation function for gamma rays is an exponential function on the primary source leg and the scatter leg with a buildup factor approximation to account for multiple scatter on the scatter leg. The neutron attenuation function is an exponential function using neutron removal cross sections on the primary source leg and scatter leg. Line or volumetric sources can be represented as distributions of isotropic point sources, with uncollided line-of-sight attenuation and buildup calculated between each source point and the detector point.CDC7600,CYBER175; FORTRAN (99%) and COMPASS (1%); SCOPE 2.1 (CDC7600), NOS 1.3 (CDC CYBER175); 55,000 (octal) words of memory are needed to execute the SCAP program on the CDC CYBER175.

• Research Organization: Los Alamos National Lab., NM (USA)
• OSTI ID: 6233359
• Report Number(s): ANL/NESC-933R; ON: DE83048933
• Country of Publication: United States
• Language: English

Related Subjects

654001* -- Radiation & Shielding Physics-- Radiation Physics
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALBEDO
BREEDER REACTORS
CLINCH RIVER BREEDER REACTOR
COMPUTER CODES
ELECTROMAGNETIC RADIATION
EPITHERMAL REACTORS
FAST REACTORS
FBR TYPE REACTORS
GAMMA RADIATION
IONIZING RADIATIONS
KERNELS
LIQUID METAL COOLED REACTORS
LMFBR TYPE REACTORS
NEUTRAL-PARTICLE TRANSPORT
NEUTRON TRANSPORT
POINT KERNELS
POINT SOURCES
POWER REACTORS
RADIATION SOURCES
RADIATION TRANSPORT
RADIATIONS
REACTORS
S CODES
SHIELDING
SODIUM COOLED REACTORS