ML19220B811

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Forwards Preliminary Evaluations & Bases of Meltdown Analysis for TMI Covering Core Melt Penetration,Hydrogen Generation & Potential for Explosion
ML19220B811
Person / Time
Site: Crane Constellation icon.png
Issue date: 04/13/1979
From: Ted Carter, Long J, Marchese A
Office of Nuclear Reactor Regulation
To: Ross D
Office of Nuclear Reactor Regulation
References
NUDOCS 7904270399
Download: ML19220B811 (1)


Text

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p c '. 2 '970 ME!10RAtiDU'1 FOR:

D. Ross, Deputy Director Division of Project fianagenent FROM:

A. Marchese, J. Long, J. Carter, T. Speis Advanced Rea-tors Branch, DP!i

SUBJECT:

DEGRADATION TO CORE MELT IN Tf1I-2 AliD POTENTIAL CONSEQUENCES The enclosed report provides our preliminary evaluations and their bases of meltdown analyses for the Three Itilt Island Plant (TMI-2).

These analyses cover the areas of (a) core nelt penetration, (b) hydrogen generation and potential for explosion, and (c) potential for steam explosion. We have attempted in the short tire available (3 days) to be as quantitative as possible.

In addition to performing a number of calculations, we have utilized /

extrapolated relevant infomation from previous analyses performed on LHFBRs (CRBRP and FFTF), the Floating Nuclear Plant (Fr1P), and recent calculations performed by Battelle Columbus Laboratories (BCL).

Ori*,'si;vd tyi' T. P. Speis, Chief Advanced Reactc,rs Branch, DP!1 Cri W 2' ' ">'

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