Gamma and Beta Decay Power Following 235U and 239Pu Fission Bursts PDF Download
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Languages : en
Pages :
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The total gamma and beta energy release rates following a fission burst are reported from using ENDF/B-IV data in summation calculations. Results are given for fission at neutron spectrum energies of 235U and 239Pu between 10−1 and 7 x 105 s following bursts. Fallout decay power, obtained by subtractions of the gas contribution, is reported for the same interval. (auth).
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Category :
Languages : en
Pages :
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Book Description
The total gamma and beta energy release rates following a fission burst are reported from using ENDF/B-IV data in summation calculations. Results are given for fission at neutron spectrum energies of 235U and 239Pu between 10−1 and 7 x 105 s following bursts. Fallout decay power, obtained by subtractions of the gas contribution, is reported for the same interval. (auth).
Author: T. R. England
Publisher:
ISBN:
Category : Beta decay
Languages : en
Pages : 12
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Author:
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ISBN:
Category :
Languages : en
Pages :
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Book Description
The total gamma and beta energy release rates following a fission burst are reported from using ENDF/B-IV data in summation calculations. Results are given for fission at neutron spectrum energies of $sup 235$U and $sup 239$Pu between 10$sup -1$ and 7 x 10$sup 5$ s following bursts. Fallout decay power, obtained by subtractions of the gas contribution, is reported for the same interval. (auth).
Author: United States. Energy Research and Development Administration
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 600
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Author:
Publisher:
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Category : Nuclear energy
Languages : en
Pages : 612
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Book Description
Author: M. M. R. Williams
Publisher: Elsevier
ISBN: 1483103366
Category : Technology & Engineering
Languages : en
Pages : 297
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Book Description
Progress in Nuclear Energy, Volume 5 covers the significant advances in several aspects of nuclear energy field. This book is composed six chapters that describe the progress in nuclear and gas-cooled reactors. The introductory chapter deals with the development and evolution of decay heat estimates and decay heat Standards, and illustrates the use of these estimates through comparison of both the actinide and fission product decay heat levels from typical fuel samples in a variety of reactor systems. The succeeding chapters present different practical methods for handling resonance absorption problem in the case of thermal reactor lattices and review the physics of the different noise phenomena. These topics are followed by discussions of the developed methodology for the description of breeding, conversion, long-term fuel logistics, and related subjects derived from the detailed mathematical description of the fuel cycle. The concluding chapters consider the historical development of heat transfer surfaces for gas-cooled reactors. These chapters also provide a complete set of differential nuclear data on the three technologically important americium isotopes, 241Am, 242Am, and 243Am, suitable for incorporation into the computer-based U.K. Nuclear Data Library. This book will prove useful to nuclear physicists and nuclear energy scientists and researchers.
Author: United States. Energy Research and Development Administration. Technical Information Center
Publisher:
ISBN:
Category : Force and energy
Languages : en
Pages : 588
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Author: M. E. Battat
Publisher:
ISBN:
Category : Fission products
Languages : en
Pages : 34
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Book Description
By use of currently available experimental and calculated fission productyields from fast fission 239Pu, the fission product code, FPIC, has been expanded to include the capability of calculating fission product decay powers for 239Pu fast fission. The revised code, FPIC/U-Pu, is operational on the CDC-6600 computer. Summation calculations of beta, gamma, and total decay powers from 235U thermal fission and from 239Pu fast fission were compared for both an instantaneous burst and infinite irradiation. Shutdown times ranged from 10 to 109 sec, and significant (>10%) differences occur principally for very shortand very long shutdown times. The decay powers from 235U thermal fission were compared with previous studies for an instantaneous burst and for infinite irradiation, and good agreement was found over the applicable shutdown times. Calcualations of beta, gamma, and total fission product decay powers from 239Pu fast fission for a specific irradiation history were then compared with the corresponding experimental measurements by K. Johnston of AWRE, as well as with 235U thermal fission calculations. For gamma and total decay power, the 239Pu fast fission calculation generally agreed better with the experiment, whereas for beta decay power, the 235U thermal fission calculations were generally better. Similar conclusions were drawn from comparisons of instantaneous burst calculations with the corresponding analytical fits derived from the experimental data.
Author: K.H. Bockhoff
Publisher: Springer Science & Business Media
ISBN: 9400970994
Category : Science
Languages : en
Pages : 1049
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Book Description
Proceedings of the International Conference, Antwerp, Belgium, September 6-10, 1982
Author: Shengjie Li
Publisher:
ISBN: 9780591351644
Category :
Languages : en
Pages : 160
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Book Description
