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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The program SIGMA 1 is designed to Doppler-broaden and/or thin tabulate pointwise cross sections in the ENDF/B BCD format. The broadening is performed from an initial (not necessarily O deg K) temperature to up to 100 final temperatures. Each section of File 3 is assumed to be a linear--linear table of poirtwise cross section vs energy. The program is written entirely in FORTRAN IV, and has been implemerted on the CDC 6600/ 7600 and IBM 360. The program requires the following units: input, output, the original data, the broadened data, and two scratch files. Core requirement on the CDC 7600 is 20 K, and the time required to Doppler-broaden /sup 238/U from 0% deg K to 293 deg K is 45 seconds of CDC 7600 time. Input and output for a sample problem are shown. (1 figure) (RWR).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The program SIGMA 1 is designed to Doppler-broaden and/or thin tabulate pointwise cross sections in the ENDF/B BCD format. The broadening is performed from an initial (not necessarily O deg K) temperature to up to 100 final temperatures. Each section of File 3 is assumed to be a linear--linear table of poirtwise cross section vs energy. The program is written entirely in FORTRAN IV, and has been implemerted on the CDC 6600/ 7600 and IBM 360. The program requires the following units: input, output, the original data, the broadened data, and two scratch files. Core requirement on the CDC 7600 is 20 K, and the time required to Doppler-broaden /sup 238/U from 0% deg K to 293 deg K is 45 seconds of CDC 7600 time. Input and output for a sample problem are shown. (1 figure) (RWR).
Author: Liangzhi Cao Publisher: Woodhead Publishing ISBN: 0323858759 Category : Science Languages : en Pages : 412
Book Description
Resonance Self-Shielding Calculation Methods in Nuclear Reactors presents the latest progress in resonance self-shielding methods for both deterministic and Mote Carlo methods, including key advances over the last decade such as high-fidelity resonance treatment, resonance interference effect and multi-group equivalence. As the demand for high-fidelity resonance self-shielding treatment is increasing due to the rapid development of advanced nuclear reactor concepts and progression in high performance computational technologies, this practical book guides students and professionals in nuclear engineering and technology through various methods with proven high precision and efficiency. Presents a collection of resonance self-shielding methods, as well as numerical methods and numerical results Includes new topics in resonance self-shielding treatment Provides source codes of key calculations presented
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Author: Roald A. Schrack
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Author: Liangzhi Cao
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Author: J. M. Kallfelz
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Author: American Nuclear Society