ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
CALCULATION OF MINIMUM LENGTH (L MIN) TO ABSORVE EXPANSION &
2
FORCE PRODUCED FOR AN SPECIFIC ADOPTED LENGTH (L ADOPT)
3
Description:
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
PART I - CALCULATION OF L MIN (m)
30
31
L1 (m) =7
32
D (in) =1
33
T (C) =60APROX.0,45mm/m(CS),0,65mm/m(SS)
34
35
FOR CARBON STEEL , ALLOWABLE STRESS S = 15000 PSI L MIN =
0,49m
36
FOR A DIFFERENT S INTRODUCE S2 =
15000
LS2 =
0,49m
37
See note 1
EXPANSION DELTA =
3,2mm
38
39
FOR STAINLESS ST , ALLOWABLE STRESS S = 15000 PSI L MIN =
0,58m
40
FOR A DIFFERENT S INTRODUCE S2 =
5000
LS2 =
1,01m
41
See note 1
EXPANSION DELTA =
4,6mm
42
43
PART II - OPTIONAL CALCULATION OF FORCE FOR L ADOP (m)
44
45
L ADOPT (m) =
6
46
t (in) =
0,179
47
I (in^4) =
0,04
48
FOR CARBON STEEL F=
0,0Kgf
49
50
FOR STAINLESS STEEL F=
0,0kgf
51
52
Notes:
53
1) On not static equipment piping (pumps, turbines, compresors , etc) adopt L MIN = LS2 for S2 = 5000 psi
54
2) On static equipment piping (exchangers, vessels, tie-ins, etc) adopt L MIN for S=15000 psi
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100