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ACRS Thermo-Hydraulic Phenomena Subcommittee Meeting - July 17-18, 2001

ADVISORY COMMITTEE ON REACTOR SAFEGUARDS
THERMAL HYDRAULIC PHENOMENA SUBCOMMITTEE MEETING
NRC-RES T/H RESEARCH PERTAINING TO PTS RULE REEVALUATION

JULY 17-18, 2001

Richardson Hall - Room 313
Oregon State University
Corvallis, Oregon

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

July 17, 2001
8:15 am  Opening Remarks Prof. Wallis
8:25 am  Welcome from Dean of College of Engineering Prof. Ron Adams
8:35 am  Status of NRC PTS Rule Reevaluation Project M. Mayfield, RES
9:05 am  Brief Overview of OSU Nuclear Reactor Research Prof. José Reyes
9:15 am  Phase Separation in Tees Research Profs. Qiao Wu, Kent Welter
  • Objective and Program Description
  • Overview of Prior Research
  
  • ATLATS Test Facility and Test Matrix
  
  
  • ATLATS Test Results
  
   
  • Model Development Results
  
10:00 am    Break   
11:15 am   Tour of APEX-CE and ATLATS; Observe ATLATS phase separation tests   
12:30 am   Lunch   
1:30 p.m.  Pressurized Thermal Shock Research   
  
  • Objectives and Program Description
Prof. José Reyes
  
  • Overview of Prior Research
Prof. José Reyes
  
  • APEX-CE Test Facility and Test Matrix
John Groome
  
  • Cold Leg Thermal Stratification: Onset of Thermal Stratification: Flow Visualization and APEX-CE Results
Prof. José Reyes
3:15 p.m.  

Break

  
3:30 p.m.   Continue   
  
  • RELAP5 Predictions of Downcomer Temperatures and Loop Stagnation during APEX-CE MSLBs and SBLOCAs
Prof, Abd Lafi

5:00 p.m.  

Recess

  

July 18, 2001   
8:15 a.m.    Plume Behavior in the Reactor Vessel Downcomer   
  
  • Plume Formation in APEX-CE
Prof. José Reyes
  
  • REMIX Calculations
Eric Young
  
  • STAR-CD Calculations
Brandon Haugh, Eric Young
10:30 a.m.  

Break

  
10:45 a.m.    Summary of OSU PTS Research Results Prof. José Reyes
12:15 p.m.   Concluding Remarks Prof. Wallis
12:30 p.m.  

Lunch

  
2:00    Observe APEX-CE test at Radiation Center   
4:30   Adjourn   
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