Kinetic Experiments on Water Boilers "A" Core Report: Program history, facility description and experimental results PDF Download
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Author:
Publisher:
ISBN:
Category : Water boiler reactors
Languages : en
Pages : 114
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Book Description
Author:
Publisher:
ISBN:
Category : Water boiler reactors
Languages : en
Pages : 114
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Book Description
Author:
Publisher:
ISBN:
Category : Water boiler reactors
Languages : en
Pages : 36
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Book Description
Author:
Publisher:
ISBN:
Category : Water boiler reactors
Languages : en
Pages : 40
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Book Description
Author:
Publisher:
ISBN:
Category : Water boiler reactors
Languages : en
Pages : 70
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Book Description
Author:
Publisher:
ISBN:
Category : Water boiler reactors
Languages : en
Pages : 60
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Book Description
Author:
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ISBN:
Category :
Languages : en
Pages :
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Author:
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Category :
Languages : en
Pages :
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A brief review of the theoretical water-boiler reactor-power transfer function is presented as background for the experimental determination of the ratio of effective prompt neutron lifetime to the effective fraction of delayed neutrons, 1/beta. The preparation and performance ot the experiment are discussed with special emphasis on equipment procedures, and measurement errors. The results, which strongly support a seven-delay-group model of the reactor, are presented and compared with theoretical six-and seven-group models. The experiment indicates qualitative values of the seventh-group constants, and it also indicates an 1/beta = 7.7 plus or minus 0.3 msec valid for all but short- period transients. (auth).
Author: M. S. Dunenfeld
Publisher:
ISBN:
Category : Boiling water reactors
Languages : en
Pages : 86
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Author: M. A. Greenfield
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ISBN:
Category :
Languages : en
Pages : 0
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Author:
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Category :
Languages : en
Pages :
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A theoretical treatment is made of the stress-strain and plastic flow properties of spherical shells of stainless steel under dynamic loading. The results are used to calculate the response of a homogeneous reactor core to inential pressure pulses. The importance of the duration of the pressure pulse as compared with a natural time or period of the material in plastic as well as in elastic deformation is noted. For a small homogeneous reactor core vessel, the natural plastic "swing time" is found to be about 0.25 msec. The rise time of the pressure pulse is 2.5 msec while the decay time is approximately 12.5 msec. Thus the rise time of the pressure pulse is about 10 times as large as the ""swing time, '' which means the static pressure approximations hold quite well, and maximum energy absorption is determined for the conditions under which the vessel will fail. (auth).
