Aspen Exchanger Design and Rating Shell & Tube V10: Description

Aspen Exchanger Design and Rating Shell & Tube V10 Page 1
File: C:\Users\HP\OneDrive\Escritorio\ANEXOS\ESTE SI\..\..\E-400-HEXANO.EDR Printed: 17/10/2022 at 11:04:34 a. m.
Problem Definition
Description
Heading
Company: Heat Engineering
Location: Miami
Service of Unit: Heater Our Reference:
Item No.: 1 Your Reference: 1
Date: 19/10/22 Rev No.: 1 Job No.:1
Remarks
Application Options
Calculation mode Rating / Checking
Location of hot fluid Shell side
Select geometry based on this dimensional standard SI
Calculation method Advanced method
Application Program
Condenser type Set default
Simulation calculation Set default
Application Program
Vaporizer type Set default
Simulation calculation Set default
Thermosiphon circuit calculation Set default
Process Data
Hot Side Cold Side
Fluid name Utility HPSTEAM HEXANE
In Out In Out
Mass flow rate kg/h 71 5734
Temperature °C 250 35
Vapor mass fraction 1 0
Pressure (absolute) kgf/cm² 40,538 39,857 1,03 0,53
Pressure at liquid surface in column kgf/cm²
Heat exchanged kcal/h 29127
Adjust if over-specified Heat load Heat load
Estimated pressure drop kgf/cm² 0,68 0

Allowable pressure drop kgf/cm² 0,5 0,5
Fouling resistance m²-h-C/kcal 0 0,65
Geometry 1
Geometry 2
Geometry 3
Impingement Protection
Impingement protection device None
Impingement plate diameter mm
Impingement plate length (parallel to tube axis) mm
Impingement plate width (normal to tube axis) mm
Impingement plate thickness mm
Impingement plate distance in from shell ID mm
Impingement plate clearance to tube edge mm
Impingement plate perforated area %
Thermosiphon Piping
Pipework loss calculation Set default
Percent of driving head lost in inlet line
Percent of driving head lost in outlet line
Height of column liquid level mm

Height of heat transfer region inlet mm
Height of return line to column mm
Construction Spec
Materials
Cylinder - hot side Carbon Steel
Cylinder - cold side Carbon Steel
Tubesheet Carbon Steel
Double tubesheet (inner) Set Default
Baffles Carbon Steel
Tube material Carbon Steel
Tube material thermal conductivity kcal/(h-m-C)

Tube material density kg/m³
Tube material modulus of elasticity kgf/mm²
Tubesheet cladding - hot side Set Default

Tubesheet cladding - cold side Set Default
Gaskets - hot side
Gaskets - cold side Flat metal jacketed fiber
Specifications
Design Code ASME Code Sec VIII Div 1
Service class Normal
TEMA class R - refinery service
Material standard ASME
Dimensional standard ANSI - American
Hot side Cold side

Design pressure (gauge) kgf/cm² 44,868 3,059
Design temperature °C 285 285
Vacuum design pressure (gauge) kgf/cm²
Test pressure (gauge) kgf/cm²
Corrosion allowance mm 3,18 3,18
Radiography Spot Spot
Optimization Path
Current selected case 1

Shell Tube Length Pressure Drop Baffle Tube Units Total
Area Tube
Item Size Actual Reqd. Shell Dp Ratio Tube Dp Ratio Pitch No. No. P S Price
ratio Pass
mm mm mm kgf/cm2 kgf/cm2 mm Dollar(US)
1 514,35 5550 555000 0,01 0,005 0,01 4,163 8,33 440 10 1 1 1 1 25308
1 514,35 5550 555000 0,01 0,005 0,01 4,163 8,33 440 10 1 1 1 1 25308
Operational Issues
Unsupported Design
Vibration Rho-V-Sq
tube length Status
No No No Failed
No No No Failed
Recap of Design
Current selected case D

A B C D
Shell ID mm 514,35 514,35 514,35 514,35
Tube length - actual mm 5550 5550 5550 5550
Tube length - required mm 5518,7 555000 555000 555000
Pressure drop, SS kgf/cm2 0,005 0,005 0,005 0,005
Pressure drop, TS kgf/cm2 0,035 4,163 4,163 4,163
Baffle spacing mm 440 440 440 440
Number of baffles 10 10 10 10
Tube passes 2 1 1 1
Tube number 360 1 1 1
Number of units in series 1 1 1 1
Number of units in parallel 1 1 1 1
Total price Dollar(US) 35922 25308 25308 25308
Program mode Rating / Checking Rating / Checking Rating / Checking Rating / Checking
Advanced
Calculation method Advanced method Advanced method Advanced method
method
Area Ratio (dirty) 1,01 0,01 0,01 0,01
Film coef overall, SS kcal/(h*m2*C) 3235,6 3239,1 3239,9 3239,1
Film coef overall, TS kcal/(h*m2*C) 93,1 8951,3 8951,8 8951,3
Heat load kcal/h 29127 29127 29127 29127
Recap case fully recoverable Yes Yes Yes Yes

TEMA Sheet
Heat Exchanger Specification Sheet

1 Company: Heat Engineering
2 Location: Miami
3 Service of Unit: Heater Our Reference:
4 Item No.: 1 Your Reference: 1
5 Date: 19/10/22 Rev No.: 1 Job No.:1
6 Size : 514 - 5550 mm Type: BEM Vertical Connected in: 1 parallel 1 series
7 Surf/unit(eff.) 0,3 m² Shells/unit 1 Surf/shell(eff.) 0,3 m²
8 PERFORMANCE OF ONE UNIT
9 Fluid allocation Shell Side Tube Side
10 Fluid name Utility HPSTEAM HEXANE
11 Fluid quantity, Total kg/h 71 5734
12 Vapor (In/Out) kg/h 71 0 0 0
13 Liquid kg/h 0 71 5734 5734
14 Noncondensable kg/h 0 0 0 0
15
16 Temperature (In/Out) °C 250 249 35 43,78
17 Bubble / Dew point °C 250 / 250 249,99 / 249,99 / /
18 Density Vapor/Liquid kg/m³ 19,97 / / 800,65 / 648,27 / 639,87
19 Viscosity cp 0,0175 / / 0,1067 / 0,2688 / 0,2486
20 Molecular wt, Vap 18,02
21 Molecular wt, NC
22 Specific heat kcal/(kg-C) 0,8988 / / 1,1602 / 0,5712 / 0,5859
23 Thermal conductivity kcal/(h-m-C) 0,044 / / 0,536 / 0,1 / 0,097
24 Latent heat kcal/kg 409,49 409,5
25 Pressure (abs) kgf/cm² 40,538 40,533 1,03 0,265
26 Velocity (Mean/Max) m/s 0,01 / 0,02 14,31 / 14,4
27 Pressure drop, allow./calc. kgf/cm² 0,5 0,005 0,5 4,163
28 Fouling resistance (min) m²-h-C/kcal 0 0,65 0,83476 Ao based
29 Heat exchanged 29127 kcal/h MTD (corrected) 744,18 °C
30 Transfer rate, Service 119,8 Dirty 1,2 Clean 2109,5 kcal/(h-m²-C)
31 CONSTRUCTION OF ONE SHELL Sketch
32 Shell Side Tube Side
33 Design/Vacuum/test pressure kgf/cm² 44,868 / / 3,059 / /
34 Design temperature °C 285 285
35 Number passes per shell 1 1
36 Corrosion allowance mm 3,18 3,18
37 Connections In mm 1 13,87 / - 1 35,05 / -
38 Size/Rating Out 1 13,87 / - 1 35,05 / -
39 ID Intermediate / - / -
40 Tube #: 1 OD: 19,05 Tks. Average 2,11 mm Length: 5550 mm Pitch: 23,81 mm Tube pattern:30
41 Tube type: Plain Insert:None Fin#: #/m Material:Carbon Steel
42 Shell Carbon Steel ID 514,35 OD 558,8 mm Shell cover -
43 Channel or bonnet Carbon Steel Channel cover -
44 Tubesheet-stationary Carbon Steel - Tubesheet-floating -
45 Floating head cover - Impingement protection None
46 Baffle-cross Carbon Steel Type Single segmental Cut(%d) 37,97 Horizontal
Spacing: c/c 440 mm
47 Baffle-long - Seal Type Inlet 748,98 mm
48 Supports-tube U-bend 0 Type
49 Bypass seal Tube-tubesheet joint Expanded only (2 grooves)(App.A 'i')
50 Expansion joint - Type None
51 RhoV2-Inlet nozzle 852 Bundle entrance 0 Bundle exit 0 kg/(m-s²)
52 Gaskets - Shell side - Tube side Flat Metal Jacket Fibe
53 Floating head -
54 Code requirements ASME Code Sec VIII Div 1 TEMA class R - refinery service
55 Weight/Shell 2376,1 Filled with water 3520,8 Bundle 363,3 kg
56 Remarks
57
58
Overall Summary
Overall Performance
Heat Transfer Resistance

Shell side / Fouling / Wall / Fouling / Tube side
Shell Side Tube Side
Resistance Distribution
Shell by Shell Conditions
Shell 1
Shell heat load kcal/h 29127
Shell inlet temperature C 250
Shell outlet temperature C 249
Tube inlet temperature C 35
Tube outlet temperature C 43,78
Shell inlet vapor fraction 1
Shell outlet vapor fraction 0
Tube inlet vapor fraction 0
Tube outlet vapor fraction 0
Shell inlet pressure kgf/cm2 40,538
Shell outlet pressure kgf/cm2 40,533
Tube inlet pressure kgf/cm2 1,03
Tube outlet pressure kgf/cm2 0,102
Shell pressure drop kgf/cm2 0,005
Tube pressure drop kgf/cm2 0,928
Mean shell metal temperature C 249,97
Mean tube metal temperature C 249,89
Minimum tube metal temperature C 247,42
Maximum tube metal temperature C 249,98

Heat Transfer Coefficients
MTD & Flux
Duty Distribution
Pressure Drop
Flow Analysis
Thermosiphons and Kettles
Thermosiphons
Thermosiphon stability
Vertical tube side thermosiphons

Flow reversal criterion - top of the tubes (should be > 0.5)
Flooding criterion - top of the tubes (should be > 1.0)
Fraction of the tube length flooded
Kutateladze Number in axial nozzle (should be > 3.2)
Kettles
Recirculation ratio
Quality at top of bundle
Entrainment fraction
Thermal Details - Vibration Analysis - Fluid Elastic Instability HTFS
Shell number: Shell 1

Fluid Elastic Instability Analysis
Vibration tube number 1 2 4 5
Vibration tube location Inlet row, centre Outer window, bottom Baffle overlap Bottom Row
Vibration No No No No
W/Wc for heavy damping (LDec=0.1) 0 0 0 0
W/Wc for medium damping (LDec=0.03) 0 0 0 0
W/Wc for light damping (LDec=0.01) 0 0 0 0
W/Wc for estimated damping 0 0 0 0
Estimated log Decrement 0,03 0,03 0,04 0,03
Tube natural frequency cycle/s 64,42 64,42 138,86 64,42
Natural frequency method Exact Solution Exact Solution Exact Solution Exact Solution
Dominant span
Tube effective mass kg/m 1,19 1,19 1,19 1,19
Vibration tube number 6 8
Vibration tube location Inlet row, end Outer window, top
Vibration No No
W/Wc for heavy damping (LDec=0.1) 0 0
W/Wc for medium damping (LDec=0.03) 0 0
W/Wc for light damping (LDec=0.01) 0 0
W/Wc for estimated damping 0 0
Estimated log Decrement 0,03 0,03
Tube natural frequency cycle/s 64,42 64,42
Natural frequency method Exact Solution Exact Solution
Dominant span
Tube effective mass kg/m 1,19 1,19

Note: W/Wc = ratio of actual shellside flowrate to critical flowrate for onset of fluid-elastic instability
Tube material density kg/m³ 7841,74

Tube axial stress kgf/mm² 6,52
Tube material Young's Modulus kgf/mm² 20422,88
U-bend longest unsupported length mm
Resonance Analysis (HTFS)
Shell number: Shell 1

Resonance Analysis
Vibration tube location Inlet row, centre Inlet row, centre Inlet row, centre Outer window, bottom
Location along tube Inlet Midspace Outlet Inlet
Vibration problem No No No No
Span length mm 748,98 880 1188,97 1188,97
Frequency ratio: Fv/Fn 0,01 0 0 0
Frequency ratio: Fv/Fa 0 0 0 0
Frequency ratio: Ft/Fn 0,01 0 0 0
Frequency ratio: Ft/Fa 0 0 0 0
Vortex shedding amplitude mm
Turbulent buffeting amplitude mm
TEMA amplitude limit mm
Natural freq., Fn cycle/s 64,42 64,42 64,42 64,42
Acoustic freq., Fa cycle/s 535,96 252,37 1884,56 535,96
Flow velocity m/s 0,03 0 0 0,01
X-flow fraction 1 0,77 0,77 0,77
RhoV2 kg/(m*s2) 0 0 0 0
Strouhal No. 0,46 0,46 0,46 0,46

Vibration tube location Outer window, bottom Outer window, bottom Baffle overlap Baffle overlap
Location along tube Midspace Outlet Inlet Midspace
Span length mm 880 748,98 748,98 440
Frequency ratio: Fv/Fn 0 0 0 0
Frequency ratio: Ft/Fn 0 0 0 0
Flow velocity m/s 0,01 0 0,01 0,01
X-flow fraction 0,77 0,77 0,77 0,77
RhoV2 kg/(m*s2) 0 0 0 0
Strouhal No. 0,46 0,46 0,46 0,46

Vibration tube number 4 5 5 5 6
Vibration tube location Baffle overlap Bottom Row Bottom Row Bottom Row Inlet row, end
Location along tube Outlet Inlet Midspace Outlet Inlet
Vibration problem No No No No No
Span length mm 748,98 1188,97 880 748,98 748,98
Frequency ratio: Fv/Fn 0 0 0 0 0,01
Frequency ratio: Fv/Fa 0 0 0 0 0
Frequency ratio: Ft/Fn 0 0 0 0 0,01
Frequency ratio: Ft/Fa 0 0 0 0 0
Natural freq., Fn cycle/s 138,86 64,42 64,42 64,42 64,42
Acoustic freq., Fa cycle/s 1884,56 535,96 252,37 1884,56 535,96
Flow velocity m/s 0 0 0 0 0,03
X-flow fraction 0,77 0,77 0,77 1 0,77
RhoV2 kg/(m*s2) 0 0 0 0 0
Strouhal No. 0,46 0,46 0,46 0,46 0,46

Vibration tube location Inlet row, end Inlet row, end Outer window, top Outer window, top
Location along tube Midspace Outlet Inlet Midspace
Span length mm 880 1188,97 748,98 880
Frequency ratio: Fv/Fn 0 0 0 0
Frequency ratio: Ft/Fn 0 0 0 0
Flow velocity m/s 0 0 0,01 0,01
X-flow fraction 0,77 0,77 0,77 0,77
RhoV2 kg/(m*s2) 0 0 0 0
Strouhal No. 0,46 0,46 0,46 0,46

Vibration tube number 8
Vibration tube location Outer window, top
Location along tube Outlet
Vibration problem No
Span length mm 1188,97
Frequency ratio: Fv/Fn 0
Frequency ratio: Fv/Fa 0
Frequency ratio: Ft/Fn 0
Frequency ratio: Ft/Fa 0
Natural freq., Fn cycle/s 64,42
Acoustic freq., Fa cycle/s 1884,56
Flow velocity m/s 0
X-flow fraction 0,77
RhoV2 kg/(m*s2) 0
Strouhal No. 0,46

Basic Geometry
Tubes
Baffles
Supports-Misc. Baffles
Bundle
Enhancements
Setting Plan
A
Tubesheet Layout
Costs/Weights

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Aspen Exchanger Design and Rating Shell & Tube V10 Page 1

File: C:\Users\HP\OneDrive\Escritorio\ANEXOS\ESTE SI\..\..\E-400-HEXANO.EDR Printed: 17/10/2022 at 11:04:34 a. m.

Estimated pressure drop kgf/cm² 0,68 0

Height of column liquid level mm

Tube material thermal conductivity kcal/(h-m-C)

Tubesheet cladding - hot side Set Default

Hot side Cold side

Current selected case 1

mm mm mm kgf/cm2 kgf/cm2 mm Dollar(US)

Current selected case D

Shell ID mm 514,35 514,35 514,35 514,35

Tube length - actual mm 5550 5550 5550 5550

Tube length - required mm 5518,7 555000 555000 555000

Pressure drop, SS kgf/cm2 0,005 0,005 0,005 0,005

Pressure drop, TS kgf/cm2 0,035 4,163 4,163 4,163

Baffle spacing mm 440 440 440 440

Tube number 360 1 1 1

Number of units in series 1 1 1 1

Number of units in parallel 1 1 1 1

Total price Dollar(US) 35922 25308 25308 25308

Film coef overall, SS kcal/(h*m2*C) 3235,6 3239,1 3239,9 3239,1

Film coef overall, TS kcal/(h*m2*C) 93,1 8951,3 8951,8 8951,3

Heat load kcal/h 29127 29127 29127 29127

Recap case fully recoverable Yes Yes Yes Yes

Heat Exchanger Specification Sheet

Heat Transfer Resistance

Shell by Shell Conditions

Shell heat load kcal/h 29127

Shell inlet temperature C 250

Shell outlet temperature C 249

Tube inlet temperature C 35

Tube outlet temperature C 43,78

Shell inlet vapor fraction 1

Shell outlet vapor fraction 0

Tube inlet vapor fraction 0

Tube outlet vapor fraction 0

Shell inlet pressure kgf/cm2 40,538

Shell outlet pressure kgf/cm2 40,533

Tube inlet pressure kgf/cm2 1,03

Tube outlet pressure kgf/cm2 0,102

Shell pressure drop kgf/cm2 0,005

Tube pressure drop kgf/cm2 0,928

Mean shell metal temperature C 249,97

Mean tube metal temperature C 249,89

Minimum tube metal temperature C 247,42

Maximum tube metal temperature C 249,98

Heat Transfer Coefficients

MTD & Flux

Thermosiphons and Kettles

Vertical tube side thermosiphons

Thermal Details - Vibration Analysis - Fluid Elastic Instability HTFS

Shell number: Shell 1

W/Wc for heavy damping (LDec=0.1) 0 0 0 0

W/Wc for medium damping (LDec=0.03) 0 0 0 0

W/Wc for light damping (LDec=0.01) 0 0 0 0

W/Wc for estimated damping 0 0 0 0

Estimated log Decrement 0,03 0,03 0,04 0,03

Tube natural frequency cycle/s 64,42 64,42 138,86 64,42

Tube effective mass kg/m 1,19 1,19 1,19 1,19

Film coef overall, SS kcal/(hm2C) 3235,6 3239,1 3239,9 3239,1

Film coef overall, TS kcal/(hm2C) 93,1 8951,3 8951,8 8951,3