KINETIC EXPERIMENTS ON WATER BOILERS. "A" CORE REPORT. PART V. CONTAINMENT ASPECTS OF PRESSURE WAVES FROM SOLUTION EXPANSION

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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 … continued below

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Greenfield, M.A. February 15, 1961.

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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)

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  • Other Information: Orig. Receipt Date: 31-DEC-61

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  • February 15, 1961

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Greenfield, M.A. KINETIC EXPERIMENTS ON WATER BOILERS. "A" CORE REPORT. PART V. CONTAINMENT ASPECTS OF PRESSURE WAVES FROM SOLUTION EXPANSION, report, February 15, 1961; Canoga Park, California. (https://digital.library.unt.edu/ark:/67531/metadc869329/: accessed September 8, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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