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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
nomeUnit
nomePart
../../Images/provawrc.png
nozzleODnozzleDesThknozzleUtolnozzleCAvesselCAextLongMomextCircLoadextCircMomextLongLoadextTorsMomextRadLoadliqheightliqdensvesselODvesselDesThkvesselUtolvesselMeanDvesselEffThknozzleEffThknozzleMatSpecvesselMatSpec
1
designPress
Design pressure: at top of equipment:
2
localPress
Design pressure: at location:
3
designTemp
Design temperature:
MATERIALS
VESSEL
NOZZLE
4
nozzleAllStress
vesselAllStress
Allowable stress: at design temperature:
5
nozzleWeldFactor
vesselWeldFactor
Weld or quality factor:(1)
6
nozzleMultPrim
vesselMultPrim
Local primary stress limited to:
7
nozzleMultSec
vesselMultSec
Primary+secondary stress limited to:
CALCULATED STRESSES:
8
nozzlePrimStress
vesselPrimStress
Calculated local primary stress:
9
nozzleSecStress
vesselSecStress
Calculated primary+secondary stress:
10
finalResult
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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numPag1
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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
nomeUnit
nomePart
(follows from previous page)
CALCULATION:
11
factorLambda
Factor:
12
factordsut
Factor: for nozzle:
13
factorTsut
Ratio:
STRESS RESULTANTS:
P
Mc
ML
14
notamrML
resultantmrML
notamrMc
resultantmrMc
notamrP
resultantmrP
-radial bending: mr
15
notanrML
resultantnrML
notanrMc
resultantnrMc
notanrP
resultantnrP
-radial membrane: nr
16
notamthML
resultantmthML
notamthMc
resultantmthMc
notamthP
resultantmthP
-circumf.bending: mq
17
notanthML
resultantnthML
notanthMc
resultantnthMc
notanthP
resultantnthP
-circumf.membrane: nq
CHECK OF LIMITATIONS:
18
resultDsutlt100
d/t £ 100 ? :
19
resultDsutgt20
d/t ³ 20 ? :
20
resultDsuTlt2500
D/T £ 2500 ? :
21
resultTsutlimit
T/t £ (varies: see above for out of limits) ? :
22
resultlambdalimit
l £ (varies: see above for out of limits) ? :
INFORMATIVE RESULTS:
23
vesselMinDist
Min.distance to other discontinuities: on vessel:
24
nozzleMinDist
Min.distance to other discontinuities: on nozzle:
25
nozzleFlexkML
Nozzle flexibility factor: to long.moment:
26
nozzleFlexkMc
Nozzle flexibility factor: to circumf.moment:
27
nozzleArea
Nozzle pipe section area:
28
nozzleModulus
Section modulus: effective: of nozzle pipe:
notaUno
notaDue
notaTre
notaQuattro
notaCinque
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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
nomeUnit
nomePart
(follows from previous page)
unitsStress
STRESSES IN VESSEL: expressed in:
 
0°
90°
180°
270°
 
inside
outside
inside
outside
inside
outside
inside
outside
Radial membrane stress:
29
vesselRadMemP
-due to P
30
vesselRadMemMc270
 
vesselRadMemMc90
 
-due to Mc
31
 
vesselRadMemML180
 
vesselRadMemML0
-due to ML
32
Total memb:
Radial bending stress:
33
vesselRadBenPo
-due to P
34
vesselRadBenMci
 
vesselRadBenMco
 
-due to Mc
35
 
vesselRadBenMLi
 
vesselRadBenMLo
-due to ML
36
vesselRadMB0i
Total m+b:
Circumferential membrane stress:
37
vesselCirMemP
-due to P
38
vesselRadMemMc270
 
vesselRadMemMc90
 
-due to Mc
39
 
vesselCirMemML180
 
vesselCirMemML0
-due to ML
40
vesselCirPressL
vesselCirPressc
vesselCirPressL
vesselCirPressc
-pressure
41
vesselCirMem0
Total memb:
Circumferential bending stress:
42
vesselCirBenPi
-due to P
43
vesselCirBenMci
 
vesselCirBenMco
 
-due to Mc
44
 
vesselCirBenMLi
 
vesselCirBenMLo
-due to ML
45
vesselCirMB0i
Total m+b:
Shear stress:
46
vesselShearMT
-due to MT
47
 
vesselShearVc
 
vesselShearVc
-due to Vc
48
vesselShearVL
 
vesselShearVL
 
-due to VL
49
vesselShear180
Total shear:
Principal stresses:
50
vesselS1Mem0
-memb: S1
51
vesselS2Mem0
-memb: S2
52
vesselS1MB0i
-m + b: S1
53
vesselS2MB0i
-m + b: S2
Stress intensities:
54
vesselSIMem0
-memb: PLv
55
vesselSIMB0i
-m + b : (P+Q)v
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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
nomeUnit
nomePart
(follows from previous page)
unitsStress
STRESSES IN NOZZLE: expressed in:
 
0°
90°
180°
270°
 
inside
outside
inside
outside
inside
outside
inside
outside
Axial membrane stress:
56
nozzleRadMemP
-due to P
57
nozzleRadMemMc270
 
nozzleRadMemMc90
 
-due to Mc
58
 
nozzleRadMemML180
 
nozzleRadMemML0
-due to ML
59
Total memb:
Axial bending stress:
60
nozzleRadBenPi
-due to P
61
nozzleRadBenMci
 
nozzleRadBenMco
 
-due to Mc
62
 
nozzleRadBenMLi
 
nozzleRadBenMLo
-due to ML
63
nozzleRadMB0i
Total m+b:
Circumferential membrane stress:
64
nozzleCirMemP
-due to P
65
nozzleRadMemMc270
 
nozzleRadMemMc90
 
-due to Mc
66
 
nozzleCirMemML180
 
nozzleCirMemML0
-due to ML
67
nozzleCirPress
-pressure
68
nozzleCirMem0
Total memb:
Shear stress:
69
nozzleShearMT
-due to MT
70
nozzleShearVc
-due to Vc
71
nozzleShearVL
-due to VL
72
nozzleShear
Total shear:
Principal stresses:
73
nozzleS1Mem0
-memb: S1
74
nozzleS2Mem0
-memb: S2
75
nozzleS1MB0i
-m + b: S1
76
nozzleS2MB0i
-m + b: S2
Stress intensities:
77
nozzleSIMem0
-memb: PLv
78
nozzleSIMB0i
-m + b : (P+Q)v
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