Page 29 - Pressure Vessel Design Manual

9
tD
v)
v)
5
0
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Table 2-1 $
v)
General Vessel Formulas 2
0
Thickness, t Pressure, P Stress, S tD
E.
(0
3
Part Stress Formula I.D. OB. I.D. 0.0. 1.0. 0.0.
z
-
m
Shell C
3
Longitudinal P Ri PRO 2SEt 2SEt P(Ri - 0.4t) P(Ro - 1.4t)
PR,
[l, Section UG-27(~)(2)] a, = -
0.2t 2SE + 0.4P 2SE + 1.4P Ri - 0.4t Ro - 1.4t 2Et 2Et
Circumferential PRi PRO SEt SEt P(Ri Et + 0.6t) P(R0 Et - 0.4t)
[l, Section UG-27(c)(l); SE + 0.4P Ri + 0.6t Ro - 0.4t
Section 1-l(a)(l)] SE - 0.6P
Heads
Hemi sphere PRm PRi PRO PSEt 2SEt P(Ri + 0.2t) P(R0 - 0.8t)
[I, Section 1-1 (a)(2); ax = a+ = - 2SE - 0.2P 2SE + 0.8P R, + 0.2t Ro - 0.8t 2Et 2Et
2t
Section UG-27(d)]
Ellipsoidal See PDiK PDoK 2SEt 2SEt See
[l , Section 1 -4(c)] Procedure 2-2 Procedure 2-2
2SE - 0.2P 2SE + 2P(K - 0.1) KDi + 0.2t KDo - 2t(K - 0.1)
2:l S.E. PD, PDo PSEt 2SEt
[l, Section UG-32(d)]
2SE - 0.2P 2SE + 1.8P Di + 0.2t Do - 1.8t
100%-6% Torispherical 0.885PLi 0.885P1, SEt SEt
[l, Section UG-32(e)]
SE-0.1P SE + 0.8P 0.8854 + O.lt 0.8851, - 0.8t
Torispherical Ur c 16.66 PLiM PbM 2SEt PSEt
,
[l Section 1 -4(d)]
2SE - 0.2P 2SE + P(M - 0.2) 4M + 0.2t 1,M - t(M - 0.2)
Cone
Longitudinal PRm PDi PDo 4SEtcos 0: 4SEtcos cx P(Di - 0.8tCOS a) P(Do - 2.8tc0~ CX)
a, = -
2tcos 0: 4COS cx (SE + 0.4P) 4c0S cx (SE + 1.4P) Di - 0.8tCOS cx Do - 2.8tCOS O: 4Etcos cx 4Etcos 0:
Circumferential PRm PDi PDo 2SEtcos cx 2SEtcos 0: P(Di + 1 CO COS K) P(Do - 0.8tc0~ CX)
[l, Section 1-4(e); cT@ = ~ 2COS O: (SE - 0.6P) 2~0s N (SE + 0.4P) D, + 1.2tcos 0: Do - 0.8tCOS cx 2Etcos cx 2Etcos cx
Section UG-32(g)] tcos 0: