WRC Bull.297
W.R.C. Bulletin 297-Aug.84,Supplement to WRC Bulletin No. 107: Local Stresses in Cylindrical Shells Due to External Loadings on a Radial Flush Nozzle: Loads specified at nozzle/wall intersection
1
Design pressure: at top of equipment:
2
Design pressure: at location:
3
Design temperature:
MATERIALS
VESSEL
NOZZLE
4
Allowable stress: at design temperature:
5
Weld or quality factor:(1)
6
Local primary stress limited to:
7
Primary+secondary stress limited to:
CALCULATED STRESSES:
8
''
Calculated local primary stress:
9
''
Calculated primary+secondary stress:
10
Result: check of stress limits:
NOTE: symbols throughout these sheets conform afap to those used in the Bulletin
c1=allowance for minus thickness tolerance - c2=corrosion allowance
(1)E=1.00 for a welded run pipe or vessel if the weld does not cross the branch
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(follows on next page)

WRC Bull.297
W.R.C. Bulletin 297-Aug.84,Supplement to WRC Bulletin No. 107: Local Stresses in Cylindrical Shells Due to External Loadings on a Radial Flush Nozzle: Loads specified at nozzle/wall intersection
(follows from previous page)
CALCULATION:
11
Factor:
12
Factor: for nozzle:
13
Ratio:
STRESS RESULTANTS:
P
Mc
ML
14
-radial bending: mr
15
-radial membrane: nr
16
-circumf.bending: mq
17
-circumf.membrane: nq
CHECK OF LIMITATIONS:
18
d/t £ 100 ? :
19
d/t ³ 20 ? :
20
D/T £ 2500 ? :
21
T/t £ (varies: see above for out of limits) ? :
22
l £ (varies: see above for out of limits) ? :
INFORMATIVE RESULTS:
23
Min.distance to other discontinuities: on vessel:
24
Min.distance to other discontinuities: on nozzle:
25
Nozzle flexibility factor: to long.moment:
26
Nozzle flexibility factor: to circumf.moment:
27
Nozzle pipe section area:
28
Section modulus: effective: of nozzle pipe:
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(follows on next page)

WRC Bull.297
W.R.C. Bulletin 297-Aug.84,Supplement to WRC Bulletin No. 107: Local Stresses in Cylindrical Shells Due to External Loadings on a Radial Flush Nozzle: Loads specified at nozzle/wall intersection
(follows from previous page)
 STRESSES IN VESSEL: expressed in:

90°
180°
270°

inside
outside
inside
outside
inside
outside
inside
outside
Radial membrane stress:
29
-due to P
30

-due to Mc
31

-due to ML
32
Total memb:
Radial bending stress:
33
-due to P
34

-due to Mc
35

-due to ML
36
Total m+b:
Circumferential membrane stress:
37
-due to P
38

-due to Mc
39

-due to ML
40
-pressure
41
Total memb:
Circumferential bending stress:
42
-due to P
43

-due to Mc
44

-due to ML
45
Total m+b:
Shear stress:
46
-due to MT
47

-due to Vc
48

-due to VL
49
Total shear:
Principal stresses:
50
-memb: S1
51
-memb: S2
52
-m + b: S1
53
-m + b: S2
Stress intensities:
54
-memb: PLv
55
-m + b : (P+Q)v
www.xcalcs.com
(follows on next page)

WRC Bull.297
W.R.C. Bulletin 297-Aug.84,Supplement to WRC Bulletin No. 107: Local Stresses in Cylindrical Shells Due to External Loadings on a Radial Flush Nozzle: Loads specified at nozzle/wall intersection
(follows from previous page)
 STRESSES IN NOZZLE: expressed in:

90°
180°
270°

inside
outside
inside
outside
inside
outside
inside
outside
Axial membrane stress:
56
-due to P
57

-due to Mc
58

-due to ML
59
Total memb:
Axial bending stress:
60
-due to P
61

-due to Mc
62

-due to ML
63
Total m+b:
Circumferential membrane stress:
64
-due to P
65

-due to Mc
66

-due to ML
67
-pressure
68
Total memb:
Shear stress:
69
-due to MT
70
-due to Vc
71
-due to VL
72
Total shear:
Principal stresses:
73
-memb: S1
74
-memb: S2
75
-m + b: S1
76
-m + b: S2
Stress intensities:
77
-memb: PLv
78
-m + b : (P+Q)v
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