Legal Statement Year 2000 releases
(c) 2000 www.laurencebrundrett.com
Terms
This is a license, not a sale. The following terms and conditions apply
If you use this product you agree to the following terms and conditions:
1 Registering for this product grants you permission to use this product. The copyright
remains with www.laurencebrundrett.com. This notice must be included
with all copies made.
2 You may use this product only on a single computer or network, and only by
one user at a time. You must register more copies if you need it for more users.
3 This product is sold "as is" without warrantees or liability. It is your responsibility
to know how to use this software. Any product designed with this software
is your responsibility. The author does not guarantee the accuracy of this product.
All risk associated with this products use is assumed by you.
4 www.laurencebrundrett.com does not provide support for the use of this product
5 The codes and standards that this product is based on change periodically. It
is your responsibility to check that you are using an appropriate version.
This program is not a substitute for knowing the applicable codes and standards.
The calculation sheet has a link back to the web page for this product.
Check that the version you are using is the latest version.
6 Registering for this product does not guarantee that future versions will be
made available as applicable codes and standards change.
Locked Cells
This spreadsheet is locked for your convenience. You can move between input
cells using the tab key. The password to unlock it is "100" If you make changes
to this spreadsheet you are required to remove the "www.laurencebrundrett.com"
text. You are responsible for any and all changes that you make.
Updates
The codes and standards that this program are based on are updated periodically.
If you have registered for this product, reasonable attempts will be made to
email you when updated versions are available. You will also be notified when
your registration has expired.
Comments
If you have comment, corrections or questions about this product send an email
to lbrundrett@laurencebrundrett.com.
Registration
This program must be registered prior to commercial use. Register this
program at www.laurencebrundrett.com
Register
Printing
A Printing macro is provided with this spreadsheet. Press Ctrl+p to print the calculations.
The macro checks for a dangerous condition where Excel allows input values
to be changed but does not recalculate the outputs. If this occurs, an error
message will pop up. Your computer has run out of resources and must be restarted.
This protection is only available if you use the macro.
2 of 1
3 of 1
<- Useful page 2 formula
<- Useful page 3 formula
2
3
4
5
6
7
Nozzle Loads WRC 107 Ver 1.1
17-Feb-13
Page 1 of 1
Megyesy's Pressure Vessel Handbook
Verification Calc #1
Megyesy PV Book 11th Ed. P153
<- vessel
<- Nozzle
F
Ro
Inputs:
9.250 <- Shell Midline Radius (Rm)
4.313 <- Nozzle Outside Radius (Ro)
0.750 <- Shell Thickness (T)
8
9
T
10
11
40,000 <- F (Load, lbs)
662 <- Mc (moment, in.lbs)
662 <- Ml (moment, in.lbs)
12
13
Mrlm
Mrcm
15
150 <- P
36,000 <- Sy (Yield strength)
16,600 <- Sa (Allowable Stress)
16
17
18
19
20
21
22
23
24
25
26
27
28
Constants:
Beta
Gamma
Alpha
Sigma
Delta
Calculated stress
Max stress
= (2P/t)*(Rm-T/2)
= Sa
29
Maximum Allowed Loads (uncombined):
30
end load
31
32
33
34
Mrcm = (Rm^2*Ro*Sy)/(Sigma)
= (9.25^2*4.3125*36000)/(95)
= 140,302
in.lbs
(Allowed at Fmax and Ml = 0)
Moment l
Mrlm = (Rm^2*Ro/Delta)*(Sy-Stress)
= (9.25^2*4.3125/43)*(36000-3550)
= 279,698
in.lbs
(Allowed at Fmax and Mc = 0)
36
37
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
(Allowed at Mc and Ml = 0)
Moment c
35
38
Fmax = (Rm^2/alpha)*(Sy-Stress)
= (9.25^2/58)*(36000-3550)
= 47,555
lbs
= 0.875(Ro/Rm)
= Rm/T
(Interpolated)
(Interpolated)
(Interpolated)
= 3,550
= 16,600
Combined Loads:
F/Fmax = 40000 / 47555
Mc/Mrcm = 662 / 140302
Ml/Mrlm = 662 / 279698
F/Fmax = 0.841
Mc/Mrcm = 0.005
Mc/Mrcm = 0.002
Total Load = 0.848
= 84.8%
Okay
=
=
=
=
=
=
0.408
12
58
95
43
3,550
RM
1
Nozzle Loads WRC 107
Written By: Laurence Brundrett
Code: Megyessy "Pressure Vessel Handbook", 11th Edition
Addenda:
Sections: Pages 153 - 157
Update Log
Date
24-May-99
24-May-00
2-Jul-00
3-Aug-00
Change
Verified against Megyessy sample Volume 11 pages 153 - 154
Hand Calculated for Audit
Hand Calculation against example in Megyesy's book
Further Hand Calculations - posted set - changed method of calculating total loa
Added Commentary, Legal
Locked Cells - Password = "100"
3-Oct-00 Updated to A2000 format
New print macro
New legal statement
Version Number assigned = 1.1
Checked Against previous verification calcs
Locked Cells - Password = "100"
d