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Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

ACRS Thermal-Hydraulic Phenomena Subcommittee Meeting - November 12-14, 2002

ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
THERMAL-HYDRAULIC PHENOMENA SUBCOMMITTEE MEETING:
NRC-RES ROD BUNDLE HEAT TRANSFER TEST PROGRAM/
FRAMATOME ANP-RICHLAND S-RELAP5 LB LOCA CODE
NOVEMBER 12-14, 2002
ROCKVILLE, MARYLAND

DRAFT PRESENTATION SCHEDULE

Contact: P. Boehnert (301/415-8065) (“pab2@nrc.gov”)

Note: It is anticipated that most of the discussions pertaining to the
S-RELAP5 Code on the 13th and 14th will be closed to the public for discussion
of proprietary information.

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  November 12, 2002
  TOPIC PRESENTER TIME
I. Introduction G. Wallis,
Chairman		 1:00 p.m.
II. NRC-RES Rod Bundle Heat
Transfer Test Program - Status		 
  A. Introduction S. Bajorek, RES 1:10 p.m.
  B. Rod Bundle Heat
Transfer Program Status		 L. Hochreiter,
Penn. State U.		 1:30 p.m.
BREAK 3:00 p.m.
  C. Concluding Remarks S. Bajorek 5:00 p.m.
III. Recess   5:15 p.m.
 

November 13, 2002
  TOPIC PRESENTER TIME
IV. Reconvene G. Wallis,
Chairman		 8:30 a.m.
V. Framatome-ANP Richland S-RELAP5 Realistic LB
LOCA Code		  
  A. Introduction Mr. Holm 8:40 a.m.
  B. Momentum Equation
  • Straight Pipe
  • Bends/Elbows
  • Area Changes
  • Multi-Junctions
  • Cross-Flow
  • 2-D Model
  • Cold Leg/Downcomer Connection
  • Downcomer/Lower Plenum Connection
  • Pump
  • Added Mass
 Mr. Carlson  
LUNCH 12:00 p.m.
  B. Momentum Equation (Cont.)   1:00 p.m.
  C. General RELAP-5 Questions Mr. Martin 2:45 p.m.
  D. Selection of Node Size Mr. Martin  
  E. Critical Flow Mr. O’Dell  
  F. Statistical Analyses Mr. O’Dell
VI. Recess 6:00 p.m.
November 14, 2002
TOPIC PRESENTER TIME
IV. Reconvene G. Wallis, Chairman 8:30 a.m.
VIII. Framatome-ANP Richland S-RELAP5
Realistic LB-LOCA Code - Summary of
Methodology		    
 
  1. Requirements & Capabilities
  2. Changes to RELAP5 to Create S-RELAP5
  3. Assessment & Ranging of Parameters
  4. Sensitivity & Uncertainty Analyses
   
LUNCH 12:00 p.m.
IX. NRR Presentation - Safety Evaluation
Report for S-RELAP5 Realistic LB LOCA Code		   1:00 p.m.
  A. Code Review Results R. Landry, NRR  
  B. Uncertainty Analysis Methodology Y. Orechwa, NRR  
  C. Staff Parametric Studies S. Colpo, NRR  
  D. SER Conclusions R. Landry, NRR  
X. Framatome Response to NRR Presentations   4:00 p.m.
XI. Subcommittee Caucus   4:45 p.m.
 
  1. Comments on Meeting Presentations
  2. Follow-on Actions
  3. Decision to Bring Review to ACRS/Instructions to Presenters
    		4.  
    XII. Adjourn   5:00 p.m.

    Page Last Reviewed/Updated Monday, October 21, 2019

    Page Last Reviewed/Updated Monday, October 21, 2019