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

Output Summary

Page 1

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

Fluid name Flow rate (1000-kg/hr) Inlet/Outlet Y (Wt. frac vap.) Inlet/Outlet T (Deg C) Inlet P/Avg (kgf/cm2A) dP/Allow. (kgf/cm2) Fouling (m2-hr-C/kcal)

MKH Units

Cold Tubeside

Super Heated LP Steam 0.7731 1.000 0.000 179.00 140.35 3.733 3.728 9.749e-3 0.510 0.000200

1.000 15.00 18.833 0.351

Natural Gas 13.3850 1.000 70.00 18.658 0.510 0.000200

Exchanger Performance Shell h Tube h Hot regime Cold regime EMTD

(kcal/m2-hr-C) (kcal/m2-hr-C) (--) (--) (Deg C)

5304.34 1221.44 Gravity Sens. Gas 95.5

Actual U Required U Duty Area Overdesign

Shell Geometry TEMA type Shell ID Series Parallel Orientation

Baffle type Baffle cut Baffle orientation Central spacing Crosspasses

Tube Geometry Tube type Tube OD Length Pitch ratio Layout Tubecount Tube Pass

(--) (mm) (mm) (--) (deg) (--) (--)

Thermal Resistance, % Shell Tube Fouling Metal

Item No.: E-702

11.00 60.29 26.41 2.30

583.24 494.44 0.4113 8.715 17.96

Baffle Geometry BEU 336.510 1 1 0.00

(--) (mm) (--) (--) (deg)

(kcal/m2-hr-C) (kcal/m2-hr-C) (MM kcal/hr) (m2) (%) (--) (Pct Dia.) (--) (mm) (--)

Single-Seg. 27.40 Parallel 173.903 5

Nozzles Plain 15.875 1000. 1.2500 30 180 2

Shell inlet Shell outlet Inlet height Outlet height Tube inlet Tube outlet

(mm) (mm) (mm) (mm) (mm) (mm)

Velocities, m/s Shellside Tubeside Crossflow Window

77.927 52.502 39.758 39.758 154.051 154.051

Flow Fractions 3.32 26.53 4.06 4.40

A B C E F

0.250 0.500 0.090 0.160 0.000

C:\Documents and Settings\abhishek.sonu\Desktop\Abhishek Personal\08 Other Job\BEU.htri

Final Results

Page 2

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 Natural Gas Steam Heater Fuel Gas Super Heating System Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Process Data

Hot Shellside

Fluid name Super Heated LP Steam Fluid condition Cond. Vapor Total flow rate (1000-kg/hr) 0.7731 Weight fraction vapor, In/Out (--) 1.000 0.000 Temperature, In/Out (Deg C) 179.00 140.35 Temperature, Average/Skin (Deg C) 159.67 128.60 Wall temperature, Min/Max (Deg C) 51.20 128.21 Pressure, In/Average (kgf/cm2A) 3.733 3.728 Pressure drop, Total/Allowed (kgf/cm2) 9.749e-3 0.510 Velocity, Mid/Max allow (m/s) 3.32 Mole fraction inert (--) 0.0000 Average film coef. (kcal/m2-hr-C) 5304.34 Heat transfer safety factor (--) 1.000 Fouling resistance (m2-hr-C/kcal) 0.000200

MKH Units

Cold Tubeside Natural Gas Sens. Gas 13.3850 1.000 70.00 101.38 126.35 18.658 0.510

1.000 15.00 42.50 50.21 18.833 0.351 26.53

1221.44 1.000 0.000200

Overall Performance Data Overall coef., Reqd/Clean/Actual Heat duty, Calculated/Specified Effective overall temperature difference EMTD = (MTD) * (DELTA) * (F/G/H)

(kcal/m2-hr-C) (MM kcal/hr) (Deg C) (Deg C)

494.44 / 0.4113 / 95.5 95.49 *

792.55 /

0.9997

583.24

* 1.0000

336.51 mm

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

999.99 mm

Shell Construction Information TEMA shell type BEU Shells Series 1 Parallel Passes Shell 1 Tube Shell orientation angle (deg) 0.00 Impingement present No Pairs seal strips 2 Shell expansion joint No Weight estimation Wet/Dry/Bundle

1 2

Shell ID Total area Eff. area

(mm) (m2) (m2/shell)

336.510 8.977 8.715

Passlane seal rods (mm) 0.000 No. 0 Full support at U-Bend Yes 667.01 / 485.66 / 134.25 (kg/shell)

Baffle Information Type Parallel Single-Seg. Crosspasses/shellpass 5 Central spacing (mm) 173.903 Inlet spacing (mm) 275.210 Outlet spacing (mm) 173.903 Baffle thickness (mm) 3.175

Baffle cut (% dia) 27.40 No. (Pct Area) (mm) to C.L 1 22.97 76.051 2 0.00 0.000

Tube Information Tube type Length to tangent Effective length Total tubesheet Area ratio Tube metal Item No.: E-702

Plain Tubecount per shell 180 (mm) 1000. Pct tubes removed (both) 10.56 (mm) 971. Outside diameter (mm) 15.875 (mm) 29.168 Wall thickness (mm) 1.651 (out/in) 1.2626 Pitch (mm) 19.8438 Ratio 1.2500 Carbon steel Tube pattern (deg) 30 C:\Documents and Settings\abhishek.sonu\Desktop\Abhishek Personal\08 Other Job\BEU.htri

Final Results

Page 3

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 Natural Gas Steam Heater Fuel Gas Super Heating System Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

MKH Units

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 0.973

Beta 0.920

Cross 21.14 MOMENTUM

Window 8.50

Method RPM

Inlet Transition

Gamma 1.058

End 0.963

Fin 1.000

Pressure Drops (Percent of Total) Ends 19.98 -23.27

Nozzle Inlet Outlet

Shell 73.00 0.65

Tube 4.59 3.63

Two-Phase Parameters Center Gravity

H. T. Parameters Overall wall correction Midpoint Prandtl no. Midpoint Reynolds no. Bundle inlet Reynolds no. Bundle outlet Reynolds no. Fouling layer (mm)

Outlet Gravity

Mix F 0.8594

Shell

Tube

1229 10202 1336

0.939 0.77 347277 369363 326008

Thermal Resistance Shell Tube 11.00 60.29 Total fouling resistance Differential resistance Shell Nozzles Inlet at channel end-Yes Number at each position Diameter Velocity Pressure drop Height under nozzle Nozzle R-V-SQ Shell ent.

Fouling 26.41

Metal 2.30

Over Des 17.96 4.525e-4 3.079e-4

(mm) (m/s) (kgf/cm2) (mm) (kg/m-s2) (kg/m-s2)

Inlet 1 77.927 25.06 7.117e-3 39.758 1128.42 243.35

Outlet 1 52.502 0.11 6.336e-5 39.758 10.63 1.05

(mm) (m/s) (kgf/cm2) (kg/m-s2)

Inlet RADIAL 154.051 14.37 0.016 2867.21

Outlet RADIAL 154.051 17.87 0.013 3565.15

Inlet

Outlet

Tube Nozzle Diameter Velocity Pressure drop Nozzle R-V-SQ Annular Distributor Length Height Slot area

Liquid Outlet 0

Liquid Outlet

(mm) (mm) (mm2) Diametral Clearances (mm)

Item No.: E-702

Baffle-to-shell Bundle-to-shell Tube-to-baffle 3.1750 C:\Documents and Settings\abhishek.sonu\Desktop\Abhishek 15.8161 0.7938 Personal\08 Other Job\BEU.htri

Supplementary Results

Page 4

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 Natural Gas Steam Heater Fuel Gas Super Heating System Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Externally Enhanced Tube Geometry Type Fin density Fin height Fin thickness Root diameter Area/length

Plain

Internally Enhanced Tube Geometry Type Thickness Pitch

(fin/meter) (mm) (mm) (mm) (m2/m)

MKH Units

None (mm) (L/D)

Mean Metal Temperatures Mean shell temperature

143.79 (C) Mean tube metal temperature in each tubepass, (C)

Tube Pass 1 2

Item No.: E-702

Inside 106.27 124.19

Outside 108.54 126.25

Radial 107.49 125.30


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 Outlet Position In The Bundle Inlet Center 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 Outlet Fluidelastic Instability Check Inlet Center 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 Inlet Center Outlet Acoustic Vibration Check 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.

Item No.: E-702


Page 6

HEAT EXCHANGER RATING DATA SHEET

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 0.000200 0.000200 Fouling Resistance (min) m2-hr-C/kcal 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 mm Spacing(c/c) 173.903 mm Inlet 275.210 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 0.500 336.51 mm

999.99 mm

Fouling Metal

Item No.: E-702

26.41 Crossflow

4.06 C

0.090

2.30 Window

4.40 E F

0.160 0.000


Page 7 MKH Units

HEAT EXCHANGER SPECIFICATION SHEET

Job No. Reference No. Proposal No. Date 2/18/2013 Rev Item No. E-702 Type BEU Horz. Connected In 1 Parallel 1 Series Shell/Unit 1 Surf/Shell (Gross/Eff) 8.98 / 8.72 m2 PERFORMANCE OF ONE UNIT Shell Side Tube Side Super Heated LP Steam Natural Gas 773.142 13385.0 773.142 13385.0 13385.0 773.142 773.142 773.142

Customer Address Plant Location Service of Unit Natural Gas Steam Heater Size 336.510 x 999.988 mm Surf/Unit (Gross/Eff) 8.98 / 8.72 m2

Fluid Allocation Fluid Name Fluid Quantity, Total kg/hr Vapor (In/Out) Liquid Steam Water Noncondensables 179.00 140.35 15.00 70.00 Temperature (In/Out) C 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 411344 Heat Exchanged kcal/hr MTD (Corrected) 95.5 C Actual Transfer Rate, Service 494.44 kcal/m2-hr-C Clean 792.55 kcal/m2-hr-C 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 @ @ 90U OD 15.875 mm Tube No. 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: 336.51 mm

999.99 mm

Reprinted with Permission (v6 )

Item No.: E-702


Stream Properties

Page 8

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 Natural Gas Steam Heater Fuel Gas Super Heating System Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Hot Shellside Fluid

Inlet

Fluid name Temperature (C) Pressure (kgf/cm2A) Weight fraction vapor (--)

MKH Units

Outlet Super Heated LP Steam

179.00 3.733 1.0000

140.35 3.723 0.0000

1.7968 0.0152 0.0276 0.5072 18.02

1.9851 0.0137 0.0253 0.5530 18.02

888.059 0.1510 0.5890 1.0246 18.02 512.166 50.7621

925.815 0.1960 0.5890 1.0246 18.02 512.232 50.7814

Vapor Properties Density Viscosity Conductivity Heat capacity Molecular weight

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

Liquid Properties Density Viscosity Conductivity Heat capacity Molecular weight Latent heat Surface tension

(kg/m3) (cP) (kcal/hr-m-C) (kcal/kg-C) (--) (kcal/kg) (dyne/cm)

Molar Composition 1 Water (IAPWS 1997)

Item No.: E-702

Vapor

Liquid

K-Value

Vapor

Liquid

K-Value

--

--

--

--

--

--


Stream Properties

Page 9

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 Natural Gas Steam Heater Fuel Gas Super Heating System Rating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles Cold Tubeside Fluid

Inlet

Fluid name Temperature (C) Pressure (kgf/cm2A) Weight fraction vapor (--)

MKH Units

Outlet Natural Gas

15.00 18.833 1.0000

70.00 18.482 1.0000

13.8780 0.0112 0.0283 0.5472 0

11.1607 0.0130 0.0350 0.5706 0

--------

--------

Vapor Properties Density Viscosity Conductivity Heat capacity Molecular weight

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

Liquid Properties Density Viscosity Conductivity Heat capacity Molecular weight Latent heat Surface tension

(kg/m3) (cP) (kcal/hr-m-C) (kcal/kg-C) (--) (kcal/kg) (dyne/cm)

Molar Composition

Item No.: E-702

Vapor

Liquid

K-Value

Vapor

Liquid

K-Value


Input Reprint

Page 10


MKH Units

Shell Data Service type TEMA type Run mode Hot fluid location Number of shells in series Number of shells in parallel Shell inside diameter Flow in 1st tubepass Train flow direction

Generic Shell and Tube BEU Rating Shellside 1 1 336.510 mm Cocurrent Countercurrent

Reboiler Data Reboiler type Inlet pressure location

No piping specified Inlet nozzle

Tube Data Tube type Tube outside diameter Tube wall thickness Tube pitch Tube pitch ratio Tubepasses per shell Tube pattern Tube count method Tube length Tube material

Plain 15.875 1.651 19.844 1.250 2 30 Rigorous 1000. Carbon steel

mm mm mm

degrees mm

Tubepass Arrangement Data Force symmetric layout Force cleaning lanes Tubepass layout First tubepass location Tubes to remove for tie rods

No No Rotated ribbon Left Calculated

Baffle Data Baffle type Baffle orientation Baffle cut percent Number of crosspasses Variable baffle spacing Window cut from baffles

Item No.: E-702

Single segmental Parallel 27.4 % shell ID 5 No No


Input Reprint

Page 11


MKH Units

Clearance Data Number of seal strip pairs Baffle clearance type Block A stream Block E stream Block F stream Number of passlane seal rods Height under nozzle Height under nozzle

2 TEMA No No No Calculated 30.000 mm 30.000 mm

Nozzle Data Shellside inlet ID Number of shellside inlet nozzles Shellside outlet ID Number of shellside outlet nozzles Tubeside inlet ID Number of tubeside inlet nozzles Tubeside outlet ID Number of tubeside outlet nozzles Radial position on shell inlet nozzle Longitudinal position on shell of inlet nozzle Radial position on shell outlet nozzle Location of nozzle at U-bend Tubeside entry type Tubeside inlet position Tubeside exit type Front head location

77.927 1 52.502 1 154.051 1 154.051 1 Program decides At front head Program decides Before U-bend Radial Front head Radial Left

mm mm mm mm

Impingement Data Impingement device present Impingement type

If required by TEMA Circular plate

Optional Geometry Data Small exchanger Tubesheet type Shell expansion joint Floating head support type Full support at U-Bend Insulated longitudinal baffle Tubeside design temperature Tubeside design pressure Shellside design temperature Shellside design pressure

Item No.: E-702

No Single No None Full support No 85.00 22.434 350.00 5.608

C kgf/cm2G C kgf/cm2G


Input Reprint

Page 12


MKH Units

Process Conditions Data

Hot Fluid

Cold Fluid

Phase condition Flow rate Inlet vapor fraction Outlet vapor fraction Inlet temperature Outlet temperature Inlet pressure Allowable pressure drop Duty multiplier

Two phase -1 0 179.00 -3.733 0.510

Sensible gas 13.3850 1 1 15.00 70.00 18.833 0.510 1

Hot Fluid

Cold Fluid

Process Fouling Data Fouling resistance

2.000e-4

1000-kg/hr

C C kgf/cm2A kgf/cm2

2.000e-4 m2-hr-C/kcal

Hot Fluid Property Data Fluid name Physical property method Heat release method Flash type Quantity units Temperature interpolation option Number of components Property package

Super Heated LP Steam Component by component properties Program calculated Integral Moles Program 1 HTRI

Hot Fluid Component Data Component number Component name Comp. bank name Component bank Component code Component phase

1 Water (IAPWS 1997) Water (IAPWS 1997) HTRI 1 Mixed

Cold Fluid Property Data Fluid name Physical property method Heat release method Flash type Quantity units Temperature interpolation option Heat release type

Natural Gas Bulk properties via grid User specified via TP grid Integral Moles Program Specific enthalpy

Cold Fluid Physical Property Data Pressure Set, 18.834 kgf/cm2A Vapor Mass Temp. Enthalpy Fraction C kcal/kg 15.00 -1074.7 1 21.22 -1071.3 1 27.42 -1067.9 1

Item No.: E-702

Vapor Vapor Vapor Vapor Dynamic Thermal Heat Density Viscosity Cond. Capacity kg/m3 cP kcal/hr-m-C kcal/kg-C 13.8787 0.0112 0.0283 0.5472 13.5361 0.0114 0.0290 0.5491 13.2130 0.0116 0.0298 0.5512


Input Reprint


Page 13

MKH Units

Cold Fluid Physical Property Data Pressure Set, 18.834 kgf/cm2A Vapor Mass Temp. Enthalpy Fraction C kcal/kg 33.59 -1064.4 1 39.73 -1061.0 1 45.85 -1057.6 1 51.94 -1054.2 1 57.99 -1050.8 1 64.01 -1047.4 1 70.00 -1044.0 1

Vapor Vapor Vapor Vapor Dynamic Thermal Heat Density Viscosity Cond. Capacity kg/m3 cP kcal/hr-m-C kcal/kg-C 12.9077 0.0118 0.0305 0.5535 12.6187 0.0120 0.0313 0.5560 12.3448 0.0122 0.0320 0.5587 12.0848 0.0124 0.0328 0.5616 11.8377 0.0126 0.0335 0.5646 11.6026 0.0128 0.0343 0.5677 11.3786 0.0130 0.0351 0.5710

Pressure Set, 18.579 kgf/cm2A Vapor Mass Temp. Enthalpy Fraction C kcal/kg 15.00 -1074.6 1 21.22 -1071.2 1 27.42 -1067.8 1 33.59 -1064.4 1 39.74 -1061.0 1 45.85 -1057.6 1 51.94 -1054.2 1 57.99 -1050.7 1 64.01 -1047.3 1 70.00 -1043.9 1

Vapor Vapor Vapor Vapor Dynamic Thermal Heat Density Viscosity Cond. Capacity kg/m3 cP kcal/hr-m-C kcal/kg-C 13.6812 0.0112 0.0283 0.5467 13.3442 0.0114 0.0290 0.5486 13.0262 0.0116 0.0298 0.5508 12.7258 0.0118 0.0305 0.5531 12.4413 0.0120 0.0313 0.5557 12.1717 0.0122 0.0320 0.5584 11.9158 0.0124 0.0328 0.5613 11.6726 0.0126 0.0335 0.5643 11.4411 0.0128 0.0343 0.5674 11.2205 0.0130 0.0350 0.5707

Pressure Set, 18.324 kgf/cm2A Vapor Mass Temp. Enthalpy Fraction C kcal/kg 15.00 -1074.5 1 21.22 -1071.1 1 27.42 -1067.7 1 33.59 -1064.3 1 39.74 -1060.9 1 45.86 -1057.5 1 51.94 -1054.1 1 57.99 -1050.7 1 64.01 -1047.3 1 70.00 -1043.9 1

Vapor Vapor Vapor Vapor Dynamic Thermal Heat Density Viscosity Cond. Capacity kg/m3 cP kcal/hr-m-C kcal/kg-C 13.4841 0.0112 0.0283 0.5463 13.1525 0.0114 0.0290 0.5482 12.8397 0.0116 0.0297 0.5504 12.5440 0.0118 0.0305 0.5527 12.2642 0.0120 0.0312 0.5553 11.9989 0.0122 0.0320 0.5580 11.7470 0.0124 0.0327 0.5609 11.5076 0.0126 0.0335 0.5640 11.2797 0.0128 0.0343 0.5671 11.0626 0.0130 0.0350 0.5704

Item No.: E-702


Input Reprint

Page 14


MKH Units

Control Name Data Case name Problem name Item Number Service

Fuel Gas Super Heating System Natural Gas Steam Heater E-702 Natural Gas Steam Heater

Control Methods Data Shellside friction factor method Tubeside friction factor method Pure longitudinal flow Pure component condensation Condensing correlation Mole fraction inerts Momentum exclusion Pure component boiling Check film boiling Nucleate boiling method Component boiling method

Commercial Commercial No No HTRI Proration 0 0% No Yes Physical property/theoretical boiling range Nucleate and convective

Control Safety Data Hot fluid/shellside film coefficient multiplier Cold fluid/tubeside film coefficient multiplier

1 1

Control User-Defined Methods Data Add non-nucleate boiling

Yes

Control Vibration Data Damping factor method Include inlet vibration support Include outlet vibration support

Item No.: E-702

HTRI Method No No


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

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