ML20128N335

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Forwards Comments from Peer Review Group on BMI-2104 Re Severe Accident Source Term Reassessment
ML20128N335
Person / Time
Issue date: 04/25/1984
From: Ryder C
NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
To:
AMERICAN PHYSICAL SOCIETY
Shared Package
ML20127A894 List: ... further results
References
FOIA-85-110 NUDOCS 8507130082
Download: ML20128N335 (1)
v • d • e


Text

  • * * "' 44 UNITED STATES I'*

NUCLEAR REGULATORY COMMisslON

[*i (XI)s, ~flj WASHINGTON. D. C. 20555

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MEMORANDUM FOR: Members of the American Physical Society Study Group FROM:

Christopher P. Ryder i

Accident Source Term Program Office Office of Nuclear Regulatory Research

SUBJECT:

COMMENTS FROM THE PEER REVIEW GROUP ON BMI-2104 The Accident Source Term Program Office held five meetings to review and critique the source term estimates done by Battelle Laboratories for the severe accident source term reassessment (BMI-2104). ASTP0 requested written comments from the peer review group and the invited observers. Enclosed are the letters that ASTP0 received.

N JL 4

.h [f Christopher P. Ryder i

Accident Source Term Program Office Office of Nuclear Regulatory Research f

Enclosure:

As stated i

8507130082 850415 FOIA PDR PDn ALVAREZ85-110

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NRC CONTAINMENT LOADS WORKLNG GROUP FMRC RESULTS FOR BWR-MARK III STANDARD PROBLEM i

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TABI.E I - ASSUMED SPARGER LOCATIONS AND FLAME HEIGHT RESTRICTIONS DUE TO OBSTRUCTIONS FOR BWR MARK III DESIGN Sparger Azimuthal Flame Beight Number Angle

  • Source Eastriction (f t)

I 16' ADS 22 2

48' ADS 120 3

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184*

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256*

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288*

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a TABLE II - CODE INPUT PNRS Input Class Variable Value Units Vessel (Global)

Diameter 34.84 m

Description Height 43.06 i

g Steel Surface Traction 0.887 Total Steel Mass 2.64E6 kg Total Steel Surface 3.55E4 2

m Equipment Surface Area per Unit Volume 0.7.316 2

m j,3 Characteristic Equipment Dimension 3.5 m

Global Initial Pressure 117.15 kPa Conditions Temperature 322

'K Steam Mole Fraction 107.

Hydrogen Mole Fraction 0

Hydrogen Injection Temperature 344.26

  • K Wetwell Geometry Inner Wall Diameter 25.30 m

Outer Wall Diameter 37.95 m

Sparger Axes Envelope Diameter 28.35 m

Flame Diameter 3.05 m

m

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