Optimisation of hydraulic tests, technical certification and planned–preventative maintenance - Probabilistic Safety Assessment for Optimum Nuclear Power Plant Life Management (PLiM) - page 258

2 c /π D m
8.8 Change of the crack size, critical for the HT mode, as a
result of growth during operation.
2 c /π D m
8.9 Curves of the critical size of subsurface transverse (tangential)
cracks in a pressure vessel under the influence of different pressures
p 1 < p 2 < p 3 < p 4 .
￿ ￿ ￿ ￿ ￿
c , m
8.10 Curves of the critical size of subsurface longitudinal cracks
in a pressure vessel under the influence of different pressures
p 1 < p 2 < p 3 < p 4 .