This document consists of the matlab code that plots the sensitivity of a rogowski coil with respect to various parameters.Full description
ntg
Above ground storage tank haeting coil design calculation
Full description
Instructions on how to make a Tesla Coil.Full description
Production through coil tubing unit.
coil coatings
Instruction for creating Tesla CoillFull description
coil gun is an application of electromagnetism in military.Full description
Its a project on how to make simple mini tesla coil. Some mistakes might be present in it. if u find it please bring it in my concern, i will be happy to correct it.Full description
Full description
helical coil heat exchanger
psychometric
Its a project on how to make simple mini tesla coil. Some mistakes might be present in it. if u find it please bring it in my concern, i will be happy to correct it.Full description
Descripción: Industry Recommended Practice Coil Tubing
Electromagnetics Project
FAN COIL UNIT METHOD STATEMENTFull description
Tugas Mata KuliahFull description
Date
9 / 7/ 2 0 1 3
Rev No.
DESIGN OF LIMPET COIL AS PER APPENDIX -EE
0
The maximum permissible pressure " P' " in half-pipe jackets shall be determined from the following formula: P' = F/K
The Maximu Maximum m permiss permissib ible le pressu pressure re in half half pipe pipe Jacket Jacket Since P' is greater than half pipe jacket pressure (P1) Hence shell thickness is safe for external pressure
F
=
1.5S -S'
K
=
Factor Factor obtain obtained ed from Fig. Fig. EE-2 EE-2 (Consi (Consideri dering ng 3 inch inch pipe) pipe) (For respective shell Inner diameter and shell thickness value of Parameter "K")
S
=
Maximum Allowable Tensile stress at design temperature (220 °C) of shel shelll or or hea head d mat mater eria iall , psi psi (Ref (Refer er Tan Tank k cal calcu cula lati tion on for for all allow owab able le stre stress ss))
S'
=
Actual longitudin longitudinal al tensile tensile stress in shell or head due to internal pressure and other axial forces, psi. When axial forces are negligible , S' shall be taken as PR / 2t. When the combination of axial forces & pressure stress (PR/2t) is such that S' would be a negative number, then S' shall be taken as zero.
( F SHALL NOT EXCEED 1.5 X S)
S' = PR/2t /2t where where P = Inter Interna nall des desig ign n pres pressu sure re
R
D
=
=
Insi Inside de shel shelll or head head radi radius us
2R
(Diameter of shell )
t
= Thickness ess of Shell
(In cor corrod roded cond ondition tion))
C.A.
= Corrosion Corrosion Allowance Allowance for tank shell is
t (asbui (asbuilt) lt)= = Actual Actual Thic Thickne kness ss of shell shell Thickness of Half Pipe Jacket
T
=
P1 X r 0.85S1-0.6P1
Considered SCH 5 ( 2 mm thick ) Pipe for 3 inch pipe.
T
=
Minimum thickness of half pipe jacket in
r
= Inside radius of jecket defined in fig EE-3 inch
S1
=
Allowable tensile stress of jacket material at design temperature , psi
P1
=
Design pressure in jacket, psi( P1 shall not exceed P')
Considering pitch of coil 135 mm for 3 inch size , the weight of coil would be around
Prepared By Checked By
Approved
Psi
= = =
15 213.3 280.36
=
30214.26
=
107.77
=
20142.84
kg/cm2 Psi Psi
Psi
Psi
138.88 Mpa
INT = = =
0 0 0
Psi Kg/cm2 Psi
x1 x2 x3
= 1.5 = 1500 = 59.06 = 3 = 118.110236
m mm inch m inch
y2 =
= = =
6.000 0.236 2.000
mm inch mm
=
8.000
mm
10 27.09
30 0
= =
0.026 0.658
inch mm
1.75
inch
1202.245 kg/cm2 = 17095.9239 psi 213.3 psi
=
1400
kg (approx)
RPOLATION y1 y2 y3
0 0
Date
9/7/2013
Rev No.
DESIGN OF LIMPET COIL AS PER APPENDIX -EE
0
The maximum permissible pressure " P' " in half-pipe jackets shall be determined from the following formula: P' = F/K
P1
= Half pipe jacket Internal pressure
P'
=
The Maximum permissible pressure in half pipe Jacket Since P' is greater than half pipe jacket pressure (P1) Hence shell thickness is safe for external pressure
F
=
1.5S -S'
K
=
Factor obtained from Fig. EE-2 (Considering 3 inch pipe) (For respective shell Inner diameter and shell thickness value of Parameter "K")
S
=
Maximum Allowable Tensile stress at design temperature (220 °C) of shell or head material , psi (Refer Tank calculation for allowable stress)
S'
=
Actual longitudinal tensile stress in shell or head due to internal pressure and other axial forces, psi. When axial forces are negligible , S' shall be taken as PR / 2t. When the combination of axial forces & pressure stress (PR/2t) is such that S' would be a negative number, then S' shall be taken as zero.
( F SHALL NOT EXCEED 1.5 X S)
S' = PR/2t where P = Internal design pressure
R
D
=
=
Inside shell or head radius
2R
(Diameter of shell )
t
= Thickness of Shell
(In corroded condition)
C.A.
= Corrosion Allowance for tank shell is
t (asbuilt)= Actual Thickness of shell Thickness of Half Pipe Jacket
T
=
P1 X r 0.85S1-0.6P1
Considered SCH 5 ( 2 mm thick ) Pipe for 3 inch pipe.
T
=
Minimum thickness of half pipe jacket in
r
= Inside radius of jecket defined in fig EE-3 inch
S1
=
Allowable tensile stress of jacket material at design temperature , psi
P1
=
Design pressure in jacket, psi( P1 shall not exceed P')
Considering pitch of coil 135 mm for 3 inch size , the weight of coil would be around
