HTRI Thermal Design Sheet of BEU Type Shell & Tube Heat Exchanger

Full text

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Output Summary

Page 1

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam Heater

Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles No Data Check Messages.

See Runtime Message Report for Informative Messages.

Process Conditions Hot Shellside Cold Tubeside

Fluid name Super Heated LP Steam Natural Gas

Flow rate (1000-kg/hr) 0.7731 13.3850

Inlet/Outlet Y (Wt. frac vap.) 1.000 0.000 1.000 1.000

Inlet/Outlet T (Deg C) 179.00 140.35 15.00 70.00

Inlet P/Avg (kgf/cm2A) 3.733 3.728 18.833 18.658

dP/Allow. (kgf/cm2) 9.749e-3 0.510 0.351 0.510

Fouling (m2-hr-C/kcal) 0.000200 0.000200

Exchanger Performance

Shell h (kcal/m2-hr-C) 5304.34 Actual U (kcal/m2-hr-C) 583.24

Tube h (kcal/m2-hr-C) 1221.44 Required U (kcal/m2-hr-C) 494.44

Hot regime (--) Gravity Duty (MM kcal/hr) 0.4113

Cold regime (--) Sens. Gas Area (m2) 8.715

EMTD (Deg C) 95.5 Overdesign (%) 17.96

Shell Geometry Baffle Geometry

TEMA type (--) BEU Baffle type (--) Single-Seg.

Shell ID (mm) 336.510 Baffle cut (Pct Dia.) 27.40

Series (--) 1 Baffle orientation (--) Parallel

Parallel (--) 1 Central spacing (mm) 173.903

Orientation (deg) 0.00 Crosspasses (--) 5

Tube Geometry Nozzles

Tube type (--) Plain Shell inlet (mm) 77.927

Tube OD (mm) 15.875 Shell outlet (mm) 52.502

Length (mm) 1000. Inlet height (mm) 39.758

Pitch ratio (--) 1.2500 Outlet height (mm) 39.758

Layout (deg) 30 Tube inlet (mm) 154.051

Tubecount (--) 180 Tube outlet (mm) 154.051

Tube Pass (--) 2

Thermal Resistance, % Velocities, m/s Flow Fractions

Shell 11.00 Shellside 3.32 A 0.250

Tube 60.29 Tubeside 26.53 B 0.500

Fouling 26.41 Crossflow 4.06 C 0.090

Metal 2.30 Window 4.40 E 0.160

F 0.000

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Final Results

Page 2

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam Heater

Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

Process Data Hot Shellside Cold Tubeside

Fluid name Super Heated LP Steam Natural Gas

Fluid condition Cond. Vapor Sens. Gas

Total flow rate (1000-kg/hr) 0.7731 13.3850

Weight fraction vapor, In/Out (--) 1.000 0.000 1.000 1.000

Temperature, In/Out (Deg C) 179.00 140.35 15.00 70.00

Temperature, Average/Skin (Deg C) 159.67 128.60 42.50 101.38

Wall temperature, Min/Max (Deg C) 51.20 128.21 50.21 126.35

Pressure, In/Average (kgf/cm2A) 3.733 3.728 18.833 18.658

Pressure drop, Total/Allowed (kgf/cm2) 9.749e-3 0.510 0.351 0.510

Velocity, Mid/Max allow (m/s) 3.32 26.53

Mole fraction inert (--) 0.0000

Average film coef. (kcal/m2-hr-C) 5304.34 1221.44

Heat transfer safety factor (--) 1.000 1.000

Fouling resistance (m2-hr-C/kcal) 0.000200 0.000200

Overall Performance Data

Overall coef., Reqd/Clean/Actual (kcal/m2-hr-C) 494.44 / 792.55 / 583.24 Heat duty, Calculated/Specified (MM kcal/hr) 0.4113 /

Effective overall temperature difference (Deg C) 95.5

EMTD = (MTD) * (DELTA) * (F/G/H) (Deg C) 95.49 * 0.9997 * 1.0000

Exchanger Fluid Volumes Approximate shellside (L) 48.9 Approximate tubeside (L) 132.5

Shell Construction Information

TEMA shell type BEU Shell ID (mm) 336.510

Shells Series 1 Parallel 1 Total area (m2) 8.977

Passes Shell 1 Tube 2 Eff. area (m2/shell) 8.715

Shell orientation angle (deg) 0.00 Impingement present No

Pairs seal strips 2 Passlane seal rods (mm) 0.000 No. 0

Shell expansion joint No Full support at U-Bend Yes

Weight estimation Wet/Dry/Bundle 667.01 / 485.66 / 134.25 (kg/shell) Baffle Information

999.99 mm

336.51 mm

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Final Results

Page 3

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam Heater

Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Shellside Performance

Nom vel, X-flow/window 4.06 / 4.40 Flow fractions for vapor phase

A=0.2504 B=0.4998 C=0.0895 E=0.1603 F=0.0000

Shellside Heat Transfer Corrections

Total Beta Gamma End Fin

0.973 0.920 1.058 0.963 1.000

Pressure Drops (Percent of Total)

Cross Window Ends Nozzle Shell Tube

21.14 8.50 19.98 Inlet 73.00 4.59

MOMENTUM -23.27 Outlet 0.65 3.63

Two-Phase Parameters

Method Inlet Center Outlet Mix F

RPM Transition Gravity Gravity 0.8594

H. T. Parameters Shell Tube

Overall wall correction 0.939

Midpoint Prandtl no. 0.77

Midpoint Reynolds no. 1229 347277

Bundle inlet Reynolds no. 10202 369363

Bundle outlet Reynolds no. 1336 326008

Fouling layer (mm)

Thermal Resistance

Shell Tube Fouling Metal Over Des

11.00 60.29 26.41 2.30 17.96

Total fouling resistance 4.525e-4

Differential resistance 3.079e-4

Shell Nozzles Liquid

Inlet at channel end-Yes Inlet Outlet Outlet

Number at each position 1 1 0

Diameter (mm) 77.927 52.502

Velocity (m/s) 25.06 0.11

Pressure drop (kgf/cm2) 7.117e-3 6.336e-5

Height under nozzle (mm) 39.758 39.758

Nozzle R-V-SQ (kg/m-s2) 1128.42 10.63

Shell ent. (kg/m-s2) 243.35 1.05

Inlet Outlet Liquid

Tube Nozzle RADIAL RADIAL Outlet

Diameter (mm) 154.051 154.051

Velocity (m/s) 14.37 17.87

Pressure drop (kgf/cm2) 0.016 0.013

Nozzle R-V-SQ (kg/m-s2) 2867.21 3565.15

Annular Distributor Inlet Outlet

Length (mm)

Height (mm)

Slot area (mm2)

Diametral Clearances (mm)

Baffle-to-shell Bundle-to-shell Tube-to-baffle

3.1750 15.8161 0.7938

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Supplementary Results

Page 4

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam Heater

Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

Externally Enhanced Tube Geometry Internally Enhanced Tube Geometry

Type Plain Type None

Fin density (fin/meter) Thickness (mm)

Fin height (mm) Pitch (L/D)

Fin thickness (mm) Root diameter (mm) Area/length (m2/m)

Mean Metal Temperatures Mean shell temperature 143.79 (C)

Mean tube metal temperature in each tubepass, (C) Tube Pass Inside Outside Radial

1 106.27 108.54 107.49

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Vibration Analysis

Page 5

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam Heater

Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

Shellside condition Cond. Vapor (Level 2.3)

Axial stress loading (kg/mm2) 0.000 Added mass factor 1.761

Beta 4.000

Position In The Bundle Inlet Center Outlet

Length for natural frequency (mm) 449. 348. 348.

Length/TEMA maximum span (--) 0.334 0.258 0.258

Number of spans (--) 3 3 3

Tube natural frequency (Hz) 417.3 417.1 334.3 +

Shell acoustic frequency (Hz) 631.6 +

Flow Velocities Inlet Center Outlet

Window parallel velocity (m/s) 7.32 3.66 1.420e-2

Bundle crossflow velocity (m/s) 4.22 3.40 1.297e-2

Bundle/shell velocity (m/s) 2.46 1.98 7.552e-3

Fluidelastic Instability Check Inlet Center Outlet

Log decrement HTRI 0.025 0.025 0.038

Critical velocity (m/s) 119.86 141.37 13.55

Baffle tip cross velocity ratio (--) 0.0352 0.0241 9.574e-4

Average crossflow velocity ratio (--) 0.0352 0.0241 9.574e-4

Acoustic Vibration Check Inlet Center Outlet

Vortex shedding ratio (--) 0.168

Chen number (--) 4581

Turbulent buffeting ratio (--) 0.125

Tube Vibration Check Inlet Center Outlet

Vortex shedding ratio (--) 0.146 0.118 0.000

Parallel flow amplitude (mm) 0.000 0.000 0.000

Crossflow amplitude (mm) 0.000 0.000 0.000

Tube gap (mm) 3.969 3.969 3.969

Crossflow RHO-V-SQ (kg/m-s2) 32.05 41.63 0.16

Bundle Entrance/Exit

(analysis at first tube row) Entrance Exit

Fluidelastic instability ratio (--) 0.073 0.002

Vortex shedding ratio (--) 0.245 0.001

Crossflow amplitude (mm) 0.00110 0.00000

Crossflow velocity (m/s) 7.07 2.147e-2

Tubesheet to inlet/outlet support (mm) None None

Shell Entrance/Exit Parameters Entrance Exit

Impingement plate No

Flow area (m2) 0.010 6.885e-3

Velocity (m/s) 11.64 3.369e-2

RHO-V-SQ (kg/m-s2) 243.35 1.05

Shell type BEU Baffle type Single-Seg.

Tube type Plain Baffle layout Parallel

Pitch ratio 1.2500 Tube diameter, (mm) 15.875

Layout angle 30 Tube material Carbon steel

Number U-Bend supports Supports/baffle space Program Messages + Frequency ratios are based upon lowest natural or acoustic frequency

* Items with asterisk exceed a conservative lower limit for vibration-free design. Review your case using the procedure described in Online Help; You may find that a vibration problem is unlikely.

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HEAT EXCHANGER RATING DATA SHEET Page 6

MKH Units

Service of Unit Natural Gas Steam Heater Item No. E-702

Type BEU Orientation Horizontal Connected In 1 Parallel 1 Series

Surf/Unit (Gross/Eff) 8.98 / 8.72 m2 Shell/Unit 1 Surf/Shell (Gross/Eff) 8.98 / 8.72 m2

PERFORMANCE OF ONE UNIT

Fluid Allocation Shell Side Tube Side

Fluid Name Super Heated LP Steam Natural Gas

Fluid Quantity, Total 1000-kg/hr 0.7731 13.3850

Vapor (In/Out) wt% 100.0 0.0 100.0 100.0

Liquid wt% 0.0 100.0 0.0 0.0

Temperature (In/Out) C 179.00 140.35 15.00 70.00

Density kg/m3 1.7968 925.82 13.878 11.161

Viscosity cP 0.0152 0.1960 0.0112 0.0130

Specific Heat kcal/kg-C 0.5072 1.0246 0.5472 0.5706

Thermal Conductivity kcal/hr-m-C 0.0276 0.5890 0.0283 0.0350

Critical Pressure kgf/cm2A

Inlet Pressure kgf/cm2A 3.733 18.833

Velocity m/s 3.32 26.53

Pressure Drop, Allow/Calc kgf/cm2 0.510 9.749e-3 0.510 0.351

Average Film Coefficient kcal/m2-hr-C 5304.34 1221.44

Fouling Resistance (min) m2-hr-C/kcal 0.000200 0.000200

Heat Exchanged 0.4113 MM kcal/hr MTD (Corrected) 95.5 C Overdesign 17.96 %

Transfer Rate, Service 494.44 kcal/m2-hr-C Calculated 583.24 kcal/m2-hr-C Clean 792.55 kcal/m2-hr-C

CONSTRUCTION OF ONE SHELL Sketch (Bundle/Nozzle Orientation)

Shell Side Tube Side

Design Pressure kgf/cm2G 5.608 22.433

Design Temperature C 350.00 85.00

No Passes per Shell 1 2

Flow Direction Downward

Connections In mm 1 @ 77.927 1 @ 154.051

Size & Out mm 1 @ 52.502 1 @ 154.051

Rating Liq. Out mm @ @

Tube No. 180 OD 15.875 mm Thk(Avg) 1.651 mm Length 1000. mm Pitch 19.844 mm Layout 30

Tube Type Plain Material CARBON STEEL Pairs seal strips 2

Shell ID 336.510 mm Kettle ID mm Passlane Seal Rod No.0

Cross Baffle Type PARALLEL SINGLE-SEG. %Cut (Diam) 27.40 Impingement Plate None

Spacing(c/c) 173.903 mm Inlet 275.210 mm No. of Crosspasses 5

Rho-V2-Inlet Nozzle 1128.42 kg/m-s2 Shell Entrance 243.35 Shell Exit 1.05 kg/m-s2

Bundle Entrance 89.91 Bundle Exit 0.43 kg/m-s2

Weight/Shell 485.66 Filled with Water 667.01 Bundle 134.25 kg

Notes: Thermal Resistance, % Velocities, m/s Flow Fractions

Shell 11.00 Shellside 3.32 A 0.250 Tube 60.29 Tubeside 26.53 B 0.500 Fouling 26.41 Crossflow 4.06 C 0.090 Metal 2.30 Window 4.40 E 0.160 F 0.000 999.99 mm 336.51 mm

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HEAT EXCHANGER SPECIFICATION SHEET Page 7

MKH Units

Job No.

Customer Reference No.

Address Proposal No.

Plant Location Date 2/18/2013 Rev

Service of Unit Natural Gas Steam Heater Item No. E-702

Size 336.510 x 999.988 mm Type BEU Horz. Connected In 1 Parallel 1 Series

Surf/Unit (Gross/Eff) 8.98 / 8.72 m2 Shell/Unit 1 Surf/Shell (Gross/Eff) 8.98 / 8.72 m2

PERFORMANCE OF ONE UNIT

Fluid Allocation Shell Side Tube Side

Fluid Name Super Heated LP Steam Natural Gas

Fluid Quantity, Total kg/hr 773.142 13385.0

Vapor (In/Out) 773.142 13385.0 13385.0 Liquid 773.142 Steam 773.142 Water 773.142 Noncondensables Temperature (In/Out) C 179.00 140.35 15.00 70.00 Specific Gravity 0.9262 Viscosity cP 0.0152 0.1960 0.0112 0.0130

Molecular Weight, Vapor

Molecular Weight, Noncondensables

Specific Heat kcal/kg-C 0.5072 1.0246 0.5472 0.5706

Thermal Conductivity kcal/hr-m-C 0.0276 0.5890 0.0283 0.0350

Latent Heat kcal/kg 512.166 512.232

Inlet Pressure kgf/cm2A 3.733 18.833

Velocity m/s 3.32 26.53

Pressure Drop, Allow/Calc kgf/cm2 0.510 9.749e-3 0.510 0.351

Fouling Resistance (min) m2-hr-C/kcal 0.000200 0.000200

Heat Exchanged kcal/hr 411344 MTD (Corrected) 95.5 C

Transfer Rate, Service 494.44 kcal/m2-hr-C Clean 792.55 kcal/m2-hr-C Actual 583.24 kcal/m2-hr-C

CONSTRUCTION OF ONE SHELL Sketch (Bundle/Nozzle Orientation)

Shell Side Tube Side

Design/Test Pressure kgf/cm2G 5.608 / 22.433 /

Design Temperature C 350.00 85.00

No Passes per Shell 1 2

Corrosion Allowance mm

Connections In mm 1 @ 77.927 1 @ 154.051

Size & Out mm 1 @ 52.502 1 @ 154.051

Rating Intermediate @ @

Tube No. 90U OD 15.875 mm Thk(Avg) 1.651 mm Length 1000. mm Pitch 19.844 mm Layout 30

Tube Type Plain Material CARBON STEEL

Shell ID 336.510 mm OD mm Shell Cover

Channel or Bonnet Channel Cover

Tubesheet-Stationary Tubesheet-Floating

Floating Head Cover Impingement Plate None

Baffles-Cross Type SINGLE-SEG. %Cut (Diam) 27.40 Spacing(c/c) 173.903 Inlet 275.210 mm

Baffles-Long Seal Type

Supports-Tube U-Bend Type

Bypass Seal Arrangement Tube-Tubesheet Joint

Expansion Joint Type

Rho-V2-Inlet Nozzle 1128.42 kg/m-s2 Bundle Entrance 89.91 Bundle Exit 0.43 kg/m-s2

Gaskets-Shell Side Tube Side

-Floating Head

Code Requirements TEMA Class

Weight/Shell 485.66 Filled with Water 667.01 Bundle 134.25 kg

Remarks:

Reprinted with Permission (v6 )

999.99 mm

336.51 mm

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Stream Properties

Page 8

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam Heater

Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

Hot Shellside Fluid Inlet Outlet

Fluid name Super Heated LP Steam

Temperature (C) 179.00 140.35

Pressure (kgf/cm2A) 3.733 3.723

Weight fraction vapor (--) 1.0000 0.0000

Vapor Properties

Density (kg/m3) 1.7968 1.9851

Viscosity (cP) 0.0152 0.0137

Conductivity (kcal/hr-m-C) 0.0276 0.0253

Heat capacity (kcal/kg-C) 0.5072 0.5530

Molecular weight (--) 18.02 18.02

Liquid Properties

Density (kg/m3) 888.059 925.815

Viscosity (cP) 0.1510 0.1960

Conductivity (kcal/hr-m-C) 0.5890 0.5890

Heat capacity (kcal/kg-C) 1.0246 1.0246

Molecular weight (--) 18.02 18.02

Latent heat (kcal/kg) 512.166 512.232

Surface tension (dyne/cm) 50.7621 50.7814

Molar Composition Vapor Liquid K-Value Vapor Liquid K-Value

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--Stream Properties

Page 9

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam Heater

Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

Cold Tubeside Fluid Inlet Outlet

Fluid name Natural Gas

Temperature (C) 15.00 70.00

Pressure (kgf/cm2A) 18.833 18.482

Weight fraction vapor (--) 1.0000 1.0000

Vapor Properties

Density (kg/m3) 13.8780 11.1607

Viscosity (cP) 0.0112 0.0130

Conductivity (kcal/hr-m-C) 0.0283 0.0350

Heat capacity (kcal/kg-C) 0.5472 0.5706

Molecular weight (--) 0 0

Liquid Properties

Density (kg/m3) --

--Viscosity (cP) --

--Conductivity (kcal/hr-m-C) --

--Heat capacity (kcal/kg-C) --

--Molecular weight (--) --

--Latent heat (kcal/kg) --

--Surface tension (dyne/cm) --

--Molar Composition Vapor Liquid K-Value Vapor Liquid K-Value

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Input Reprint

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Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units

Natural Gas Steam Heater Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Shell Data

Service type Generic Shell and Tube

TEMA type BEU

Run mode Rating

Hot fluid location Shellside

Number of shells in series 1

Number of shells in parallel 1

Shell inside diameter 336.510 mm

Flow in 1st tubepass Cocurrent

Train flow direction Countercurrent

Reboiler Data

Reboiler type No piping specified

Inlet pressure location Inlet nozzle

Tube Data

Tube type Plain

Tube outside diameter 15.875 mm

Tube wall thickness 1.651 mm

Tube pitch 19.844 mm

Tube pitch ratio 1.250

Tubepasses per shell 2

Tube pattern 30 degrees

Tube count method Rigorous

Tube length 1000. mm

Tube material Carbon steel

Tubepass Arrangement Data

Force symmetric layout No

Force cleaning lanes No

Tubepass layout Rotated ribbon

First tubepass location Left

Tubes to remove for tie rods Calculated

Baffle Data

Baffle type Single segmental

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Input Reprint

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Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units

Natural Gas Steam Heater Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Clearance Data

Number of seal strip pairs 2

Baffle clearance type TEMA

Block A stream No

Block E stream No

Block F stream No

Number of passlane seal rods Calculated

Height under nozzle 30.000 mm

Height under nozzle 30.000 mm

Nozzle Data

Shellside inlet ID 77.927 mm

Number of shellside inlet nozzles 1

Shellside outlet ID 52.502 mm

Number of shellside outlet nozzles 1

Tubeside inlet ID 154.051 mm

Number of tubeside inlet nozzles 1

Tubeside outlet ID 154.051 mm

Number of tubeside outlet nozzles 1

Radial position on shell inlet nozzle Program decides

Longitudinal position on shell of inlet nozzle At front head

Radial position on shell outlet nozzle Program decides

Location of nozzle at U-bend Before U-bend

Tubeside entry type Radial

Tubeside inlet position Front head

Tubeside exit type Radial

Front head location Left

Impingement Data

Impingement device present If required by TEMA

Impingement type Circular plate

Optional Geometry Data

Small exchanger No

Tubesheet type Single

Shell expansion joint No

Floating head support type None

Full support at U-Bend Full support

Insulated longitudinal baffle No

Tubeside design temperature 85.00 C

Tubeside design pressure 22.434 kgf/cm2G

Shellside design temperature 350.00 C

Shellside design pressure 5.608 kgf/cm2G

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Input Reprint

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Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units

Natural Gas Steam Heater Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

Process Conditions Data Hot Fluid Cold Fluid

Phase condition Two phase Sensible gas

Flow rate -- 13.3850 1000-kg/hr

Inlet vapor fraction 1 1

Outlet vapor fraction 0 1

Inlet temperature 179.00 15.00 C

Outlet temperature -- 70.00 C

Inlet pressure 3.733 18.833 kgf/cm2A

Allowable pressure drop 0.510 0.510 kgf/cm2

Duty multiplier 1

Process Fouling Data Hot Fluid Cold Fluid

Fouling resistance 2.000e-4 2.000e-4 m2-hr-C/kcal

Hot Fluid Property Data

Fluid name Super Heated LP Steam

Physical property method Component by component properties

Heat release method Program calculated

Flash type Integral

Quantity units Moles

Temperature interpolation option Program

Number of components 1

Property package HTRI

Hot Fluid Component Data

Component number 1

Component name Water (IAPWS 1997)

Comp. bank name Water (IAPWS 1997)

Component bank HTRI

Component code 1

Component phase Mixed

Cold Fluid Property Data

Fluid name Natural Gas

Physical property method Bulk properties via grid

Heat release method User specified via TP grid

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Input Reprint

Page 13

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units

Natural Gas Steam Heater Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Cold Fluid Physical Property Data

Pressure Set, 18.834 kgf/cm2A

Vapor Vapor Vapor Vapor

Mass Vapor Dynamic Thermal Heat

Temp. Enthalpy Fraction Density Viscosity Cond. Capacity

C kcal/kg kg/m3 cP kcal/hr-m-C kcal/kg-C

33.59 -1064.4 1 12.9077 0.0118 0.0305 0.5535 39.73 -1061.0 1 12.6187 0.0120 0.0313 0.5560 45.85 -1057.6 1 12.3448 0.0122 0.0320 0.5587 51.94 -1054.2 1 12.0848 0.0124 0.0328 0.5616 57.99 -1050.8 1 11.8377 0.0126 0.0335 0.5646 64.01 -1047.4 1 11.6026 0.0128 0.0343 0.5677 70.00 -1044.0 1 11.3786 0.0130 0.0351 0.5710

Pressure Set, 18.579 kgf/cm2A

Vapor Vapor Vapor Vapor

Mass Vapor Dynamic Thermal Heat

Temp. Enthalpy Fraction Density Viscosity Cond. Capacity

C kcal/kg kg/m3 cP kcal/hr-m-C kcal/kg-C

15.00 -1074.6 1 13.6812 0.0112 0.0283 0.5467 21.22 -1071.2 1 13.3442 0.0114 0.0290 0.5486 27.42 -1067.8 1 13.0262 0.0116 0.0298 0.5508 33.59 -1064.4 1 12.7258 0.0118 0.0305 0.5531 39.74 -1061.0 1 12.4413 0.0120 0.0313 0.5557 45.85 -1057.6 1 12.1717 0.0122 0.0320 0.5584 51.94 -1054.2 1 11.9158 0.0124 0.0328 0.5613 57.99 -1050.7 1 11.6726 0.0126 0.0335 0.5643 64.01 -1047.3 1 11.4411 0.0128 0.0343 0.5674 70.00 -1043.9 1 11.2205 0.0130 0.0350 0.5707

Pressure Set, 18.324 kgf/cm2A

Vapor Vapor Vapor Vapor

Mass Vapor Dynamic Thermal Heat

Temp. Enthalpy Fraction Density Viscosity Cond. Capacity

C kcal/kg kg/m3 cP kcal/hr-m-C kcal/kg-C

15.00 -1074.5 1 13.4841 0.0112 0.0283 0.5463 21.22 -1071.1 1 13.1525 0.0114 0.0290 0.5482 27.42 -1067.7 1 12.8397 0.0116 0.0297 0.5504 33.59 -1064.3 1 12.5440 0.0118 0.0305 0.5527 39.74 -1060.9 1 12.2642 0.0120 0.0312 0.5553 45.86 -1057.5 1 11.9989 0.0122 0.0320 0.5580 51.94 -1054.1 1 11.7470 0.0124 0.0327 0.5609 57.99 -1050.7 1 11.5076 0.0126 0.0335 0.5640 64.01 -1047.3 1 11.2797 0.0128 0.0343 0.5671 70.00 -1043.9 1 11.0626 0.0130 0.0350 0.5704

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Input Reprint

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Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units

Natural Gas Steam Heater Fuel Gas Super Heating System

Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Control Name Data

Case name Fuel Gas Super Heating System

Problem name Natural Gas Steam Heater

Item Number E-702

Service Natural Gas Steam Heater

Control Methods Data

Shellside friction factor method Commercial

Tubeside friction factor method Commercial

Pure longitudinal flow No

Pure component condensation No

Condensing correlation HTRI Proration

Mole fraction inerts 0

Momentum exclusion 0 %

Pure component boiling No

Check film boiling Yes

Nucleate boiling method Physical property/theoretical boiling range

Component boiling method Nucleate and convective

Control Safety Data

Hot fluid/shellside film coefficient multiplier 1

Cold fluid/tubeside film coefficient multiplier 1

Control User-Defined Methods Data

Add non-nucleate boiling Yes

Control Vibration Data

Damping factor method HTRI Method

Include inlet vibration support No

Figure

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References

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