Page 98 - Pressure Vessel Design Manual
P. 98
General Design 79
Stress and Moment Calculations 5. Factor, 8.
0 Integral:
1. H~ydro.static end forces, H, HD, HT.
nB%P
€I = -
4
nBtP
HI> =-
4
HT = H - HD
Loose:
2. Moment am, hD and h,.
Integral:
A - Bn - tn
hD = 6. Moment at juncture of shell and head, MH
2
0 Loose:
A - B,
2 where h,, g, B1, and F refer to shell.
hn = ~
V,
Integral or loose: 7. Factor X1.
3. Moments.
where F and h, refer to shell.
8. Stress at head-shell juncture.
4. Stresses in head and hub
+
'"lMH (' E) 0.64FM~
SRS =
Bst2 B,h,t
(1.33te + 1)M,
SR =
Lt'B,
where B,, F, h,, Z, f, go, gl, and V refer to shell.
Integral:
9. Calculate stresses at head-nozzle juncture.
ST=-- YM, ZSR
t2B,
Loose:
where F, B,, and h, refer to shell.
