Evaluation Method for Pipe Wall Thinning Due to Liquid Droplet Impingement - (II) Comparison of Calculations with Measurements at Actual Nuclear Power Plants
NURETH-14 - 2011 September 25-30


Presented at:
NURETH-14
2011 September 25-30
Location:
Toronto, Canada
Session Title:
O1-2 Thermalhydraulics and Structural Integrity in Connection to Aging and Life Extension

Authors:
Hidetoshi Okada (Nuclear Power Engineering Center, Safety Analysis Group, The Institute of Applied Energy)
Shunsuke Uchida (Nuclear Power Engineering Center, Safety Analysis Group, The Institute of Applied Energy)
Hiroaki Yugo (Nuclear Power Engineering Center, Safety Analysis Group, The Institute of Applied Energy)
Masanori Naitoh (Nuclear Power Engineering Center, Safety Analysis Group, The Institute of Applied Energy)
Seiichi Koshizuka (The University of Tokyo)
  

Abstract

The validations on DRAWTHREE-LDI are made through the comparisons of results calculated with those measured in feedwater heater vent lines at an actual power plant. In DRAWTHREE-LDI, pipe wall thinning rates are evaluated by the procedure composed of six steps. Comparison of calculated results by DRAWTHREE-LDI is made with those measured in feedwater heater vent lines at an actual power plant. Most calculated results agreed with those measured within a factor of two which is the target in the development of DRAWTHREE-LDI.

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