Document: NUREG-0800
Document ID: 47be7233-5326-4a7d-a9c5-f3b91d565a72
Document Type: srp
Title: MINIMUM CONTAINMENT PRESSURE ANALYSIS FOR EMERGENCY CORE
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070492.pdf
Revision Date: 2023-06
Chapter: 6
Section ID: 6.2.1.5
CFR Part: 
CFR Title: 

Content:
motors, fan coolers, recombiners, and tanks). 5. Miscellaneous Equipment (e.g., ladders, gratings, electrical cables, trays, and cranes). TABLE 236 HEAT SINK THERMOPHYSICAL PROPERTIES Material Density Specific Thermal kg/m (lb/ft ) kJ/kg- K(Btu/lb- F) W/m- K(Btu/hr-ft- F) 3 3 37 Heat Conductivity 38 39 Concrete 2330 (145) 0.654 (0.156) 1.6 (0.92) Steel 7850 (490) 0.503 (0.12) 47 (27.0) DRAFT Rev. 3 - April 1996 6.2.1.5-12 TABLE 340 UCHIDA HEAT TRANSFER COEFFICIENTS Mass Heat Transfer Mass Heat Transfer Ratio Coefficient Ratio Coefficient (kg(lb) air/kg(lb) (W/m - K (kg(lb) air/kg(lb) (W/m - K 41 steam) (Btu/hr-ft - F) ) steam) (Btu/hr-ft - F) ) 2 2 42 43 2 2 44 50 12 (2) 3 165 (29) 20 46 (8) 2.3 211 (37) 18 52 (9) 1.8 262 (46) 14 57 (10) 1.3 358 (63) 10 80 (14) 0.8 557 (98) 7 97 (17) 0.5 795 (140) 5 120 (21) 0.1 1590 (280) 4 137 (24) 45 6.2.1.5-13 DRAFT Rev. 3 - April 1996 Containment Free Volume, x 10 ft 6 3 Internal Steel Heat Sink Area x 10 ft 5 2 Figure 1 Area of Steel Heat Sinks Inside Containment This figure uses English units, and will therefore be replaced by the figure on page 14.42 15 20 25 30 35 12 DRAFT Rev. 3 - April 1996 6.2.1.5-14 Containment Free Volume (10 m ) 4 3 Internal Steel Heat Sink Area (10 m ) 3 2 Figure 1 Area of Steel Heat Sinks Inside Containment This figure supercedes the figure on page 13. 6.2.1.5-15 DRAFT Rev. 3 - April 1996 DRAFT Rev. 3 - April 1996 6.2.1.5-16 [This Page Intentionally Left Blank] SRP Draft Section 6.2.1.5 Attachment A - Proposed Changes in Order of Occurrence 6.2.1.5-17 DRAFT Rev. 3 - April 1996 Item numbers in the following table correspond to superscript numbers in the redline/strikeout copy of the draft SRP section. Item Source Description 1. Current PRB names and Editorial change made to reflect current PRB name abbreviations. and responsibility for this SRP Section. 2. Current PRB names and Editorial change made to reflect current PRB name abbreviations. and responsibility for this SRP Section (2 identical