Remaining Life of a Pipeline
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C 2<br />
d<br />
dRd<br />
2 .<br />
T<br />
( Sy 68.95 ) .<br />
D<br />
.<br />
1<br />
1<br />
( Do Rd . t)<br />
T<br />
( Do Rd . t)<br />
(( Lo Rl . t)<br />
) 2<br />
T . 1 0.6275 .<br />
DT . 0.003375 .<br />
(( Lo Rl . t)<br />
) 4<br />
D 2 . T 2<br />
C = 50.852<br />
2<br />
C 3<br />
d<br />
dRl<br />
2 .<br />
T<br />
( Sy 68.95 ) .<br />
D<br />
.<br />
1<br />
1<br />
( Do Rd . t)<br />
T<br />
( Do Rd . t)<br />
(( Lo Rl . t)<br />
) 2<br />
T . 1 0.6275 .<br />
DT . 0.003375 .<br />
(( Lo Rl . t)<br />
) 4<br />
D 2 . T 2<br />
C = 0.367 3<br />
C 4<br />
d<br />
dDo<br />
2 .<br />
T<br />
( Sy 68.95 ) .<br />
D<br />
.<br />
1<br />
1<br />
( Do Rd . t)<br />
T<br />
( Do Rd . t)<br />
(( Lo Rl . t)<br />
) 2<br />
T . 1 0.6275 .<br />
DT . 0.003375 .<br />
(( Lo Rl . t)<br />
) 4<br />
D 2 . T 2<br />
C = 1.695 4<br />
C 5<br />
( Do Rd . t)<br />
1<br />
d<br />
T<br />
T<br />
2 . ( Sy 68.95 ) . .<br />
dD<br />
D<br />
( Do Rd . t)<br />
C = 0.013<br />
1<br />
5<br />
(( Lo Rl . t)<br />
) 2<br />
T 1 0.6275 .<br />
(( Lo Rl . t)<br />
) 4<br />
.<br />
DT . 0.003375 .<br />
D 2 . T 2<br />
C 6<br />
( Do Rd . t)<br />
1<br />
d<br />
T<br />
T<br />
2 . ( Sy 68.95 ) . .<br />
dSy<br />
D<br />
( Do Rd . t)<br />
C = 0.018<br />
1<br />
6<br />
(( Lo Rl . t)<br />
) 2<br />
T 1 0.6275 .<br />
(( Lo Rl . t)<br />
) 4<br />
.<br />
DT . 0.003375 .<br />
D 2 . T 2<br />
C 7<br />
( Do Rd . t)<br />
1<br />
d<br />
T<br />
T<br />
2 . ( Sy 68.95 ) . .<br />
dLo<br />
D<br />
( Do Rd . t)<br />
C = 0.012<br />
1<br />
7<br />
(( Lo Rl . t)<br />
) 2<br />
T 1 0.6275 .<br />
(( Lo Rl . t)<br />
) 4<br />
.<br />
DT . 0.003375 .<br />
D 2 . T 2<br />
Var<br />
7<br />
2<br />
C .<br />
2 Si i<br />
µpf Pf µpf = 8.917<br />
i = 1<br />
σpf Var σpf = 1.547<br />
12