beu type heat exchanger thermal calculation

Output Summary

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH UnitsNatural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesNo Data Check Messages.See Runtime Message Report for Informative Messages.

Process Conditions Hot Shellside Cold TubesideFluid name Super Heated LP Steam Natural Gas Flow rate (1000-kg/hr) 0.7731 13.3850Inlet/Outlet Y (Wt. frac vap.) 1.000 0.000 1.000 1.000Inlet/Outlet T (Deg C) 179.00 140.35 15.00 70.00Inlet P/Avg (kgf/cm2A) 3.733 3.728 18.833 18.658dP/Allow. (kgf/cm2) 9.749e-3 0.510 0.351 0.510Fouling (m2-hr-C/kcal) 0.000200 0.000200

Exchanger PerformanceShell h (kcal/m2-hr-C) 5304.34 Actual U (kcal/m2-hr-C) 583.24Tube h (kcal/m2-hr-C) 1221.44 Required U (kcal/m2-hr-C) 494.44Hot regime (--) Gravity Duty (MM kcal/hr) 0.4113Cold regime (--) Sens. Gas Area (m2) 8.715EMTD (Deg C) 95.5 Overdesign (%) 17.96

Shell Geometry Baffle GeometryTEMA type (--) BEU Baffle type (--) Single-Seg.Shell ID (mm) 336.510 Baffle cut (Pct Dia.) 27.40Series (--) 1 Baffle orientation (--) ParallelParallel (--) 1 Central spacing (mm) 173.903Orientation (deg) 0.00 Crosspasses (--) 5

Tube Geometry NozzlesTube type (--) Plain Shell inlet (mm) 77.927Tube OD (mm) 15.875 Shell outlet (mm) 52.502Length (mm) 1000. Inlet height (mm) 39.758Pitch ratio (--) 1.2500 Outlet height (mm) 39.758Layout (deg) 30 Tube inlet (mm) 154.051Tubecount (--) 180 Tube outlet (mm) 154.051Tube Pass (--) 2

Thermal Resistance, % Velocities, m/s Flow FractionsShell 11.00 Shellside 3.32 A 0.250Tube 60.29 Tubeside 26.53 B 0.500Fouling 26.41 Crossflow 4.06 C 0.090Metal 2.30 Window 4.40 E 0.160

F 0.000

Item No.: E-702 C:\Documents and Settings\abhishek.sonu\Desktop\Abhishek Personal\08 Other Job\BEU.htri

Final Results

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental Baffles

Process Data Hot Shellside Cold TubesideFluid name Super Heated LP Steam Natural Gas Fluid condition Cond. Vapor Sens. GasTotal flow rate (1000-kg/hr) 0.7731 13.3850Weight fraction vapor, In/Out (--) 1.000 0.000 1.000 1.000Temperature, In/Out (Deg C) 179.00 140.35 15.00 70.00Temperature, Average/Skin (Deg C) 159.67 128.60 42.50 101.38Wall temperature, Min/Max (Deg C) 51.20 128.21 50.21 126.35Pressure, In/Average (kgf/cm2A) 3.733 3.728 18.833 18.658Pressure drop, Total/Allowed (kgf/cm2) 9.749e-3 0.510 0.351 0.510Velocity, Mid/Max allow (m/s) 3.32 26.53Mole fraction inert (--) 0.0000Average film coef. (kcal/m2-hr-C) 5304.34 1221.44Heat transfer safety factor (--) 1.000 1.000Fouling resistance (m2-hr-C/kcal) 0.000200 0.000200

Overall Performance DataOverall coef., Reqd/Clean/Actual (kcal/m2-hr-C) 494.44 / 792.55 / 583.24Heat duty, Calculated/Specified (MM kcal/hr) 0.4113 /Effective overall temperature difference (Deg C) 95.5EMTD = (MTD) * (DELTA) * (F/G/H) (Deg C) 95.49 * 0.9997 * 1.0000

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

Shell Construction InformationTEMA shell type BEU Shell ID (mm) 336.510Shells Series 1 Parallel 1 Total area (m2) 8.977Passes Shell 1 Tube 2 Eff. area (m2/shell) 8.715Shell orientation angle (deg) 0.00Impingement present NoPairs seal strips 2 Passlane seal rods (mm) 0.000 No. 0Shell expansion joint No Full support at U-Bend YesWeight estimation Wet/Dry/Bundle 667.01 / 485.66 / 134.25 (kg/shell)

Baffle InformationType Parallel Single-Seg. Baffle cut (% dia) 27.40Crosspasses/shellpass 5 No. (Pct Area) (mm) to C.LCentral spacing (mm) 173.903 1 22.97 76.051Inlet spacing (mm) 275.210 2 0.00 0.000Outlet spacing (mm) 173.903Baffle thickness (mm) 3.175

Tube InformationTube type Plain Tubecount per shell 180Length to tangent (mm) 1000. Pct tubes removed (both) 10.56Effective length (mm) 971. Outside diameter (mm) 15.875Total tubesheet (mm) 29.168 Wall thickness (mm) 1.651Area ratio (out/in) 1.2626 Pitch (mm) 19.8438 Ratio 1.2500Tube metal Carbon steel Tube pattern (deg) 30

999.99mm

336.51mm


Final Results


Shellside PerformanceNom 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 CorrectionsTotal Beta Gamma End Fin0.973 0.920 1.058 0.963 1.000

Pressure Drops (Percent of Total)Cross Window Ends Nozzle Shell Tube21.14 8.50 19.98 Inlet 73.00 4.59

MOMENTUM -23.27 Outlet 0.65 3.63Two-Phase Parameters

Method Inlet Center Outlet Mix FRPM Transition Gravity Gravity 0.8594

H. T. Parameters Shell TubeOverall wall correction 0.939Midpoint Prandtl no. 0.77Midpoint Reynolds no. 1229 347277Bundle inlet Reynolds no. 10202 369363Bundle outlet Reynolds no. 1336 326008Fouling layer (mm)

Thermal ResistanceShell Tube Fouling Metal Over Des

11.00 60.29 26.41 2.30 17.96Total fouling resistance 4.525e-4Differential resistance 3.079e-4

Shell Nozzles LiquidInlet at channel end-Yes Inlet Outlet OutletNumber at each position 1 1 0Diameter (mm) 77.927 52.502Velocity (m/s) 25.06 0.11Pressure drop (kgf/cm2) 7.117e-3 6.336e-5Height under nozzle (mm) 39.758 39.758Nozzle R-V-SQ (kg/m-s2) 1128.42 10.63Shell ent. (kg/m-s2) 243.35 1.05

Inlet Outlet LiquidTube Nozzle RADIAL RADIAL Outlet

Diameter (mm) 154.051 154.051Velocity (m/s) 14.37 17.87Pressure drop (kgf/cm2) 0.016 0.013Nozzle R-V-SQ (kg/m-s2) 2867.21 3565.15

Annular Distributor Inlet OutletLength (mm)Height (mm)Slot area (mm2)

Diametral Clearances (mm)Baffle-to-shell Bundle-to-shell Tube-to-baffle

3.1750 15.8161 0.7938Item No.: E-702 C:\Documents and Settings\abhishek.sonu\Desktop\Abhishek Personal\08 Other Job\BEU.htri

Supplementary Results


Externally Enhanced Tube Geometry Internally Enhanced Tube GeometryType Plain Type NoneFin density (fin/meter) Thickness (mm)Fin height (mm) Pitch (L/D)Fin thickness (mm)Root diameter (mm)Area/length (m2/m)

Mean Metal TemperaturesMean shell temperature 143.79 (C)

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

1 106.27 108.54 107.492 124.19 126.25 125.30


Vibration Analysis

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesShellside condition Cond. Vapor (Level 2.3)Axial stress loading (kg/mm2) 0.000 Added mass factor 1.761Beta 4.000

Position In The Bundle Inlet Center OutletLength for natural frequency (mm) 449. 348. 348.Length/TEMA maximum span (--) 0.334 0.258 0.258Number of spans (--) 3 3 3Tube natural frequency (Hz) 417.3 417.1 334.3 +Shell acoustic frequency (Hz) 631.6 +

Flow Velocities Inlet Center OutletWindow parallel velocity (m/s) 7.32 3.66 1.420e-2Bundle crossflow velocity (m/s) 4.22 3.40 1.297e-2Bundle/shell velocity (m/s) 2.46 1.98 7.552e-3

Fluidelastic Instability Check Inlet Center Outlet Log decrement HTRI 0.025 0.025 0.038Critical velocity (m/s) 119.86 141.37 13.55Baffle tip cross velocity ratio (--) 0.0352 0.0241 9.574e-4Average crossflow velocity ratio (--) 0.0352 0.0241 9.574e-4

Acoustic Vibration Check Inlet Center Outlet Vortex shedding ratio (--) 0.168Chen number (--) 4581Turbulent buffeting ratio (--) 0.125

Tube Vibration Check Inlet Center Outlet Vortex shedding ratio (--) 0.146 0.118 0.000Parallel flow amplitude (mm) 0.000 0.000 0.000Crossflow amplitude (mm) 0.000 0.000 0.000Tube gap (mm) 3.969 3.969 3.969Crossflow 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 0.002Vortex shedding ratio (--) 0.245 0.001Crossflow amplitude (mm) 0.00110 0.00000Crossflow velocity (m/s) 7.07 2.147e-2Tubesheet to inlet/outlet support (mm) None None

Shell Entrance/Exit Parameters Entrance ExitImpingement plate NoFlow area (m2) 0.010 6.885e-3Velocity (m/s) 11.64 3.369e-2RHO-V-SQ (kg/m-s2) 243.35 1.05Shell type BEU Baffle type Single-Seg.Tube type Plain Baffle layout ParallelPitch ratio 1.2500 Tube diameter, (mm) 15.875Layout angle 30 Tube material Carbon steelNumber 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.


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

PERFORMANCE OF ONE UNITFluid Allocation Shell Side Tube SideFluid 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 0.0Temperature (In/Out) C 179.00 140.35 15.00 70.00Density kg/m3 1.7968 925.82 13.878 11.161Viscosity cP 0.0152 0.1960 0.0112 0.0130Specific Heat kcal/kg-C 0.5072 1.0246 0.5472 0.5706Thermal Conductivity kcal/hr-m-C 0.0276 0.5890 0.0283 0.0350Critical Pressure kgf/cm2AInlet Pressure kgf/cm2A 3.733 18.833Velocity m/s 3.32 26.53Pressure Drop, Allow/Calc kgf/cm2 0.510 9.749e-3 0.510 0.351Average Film Coefficient kcal/m2-hr-C 5304.34 1221.44Fouling Resistance (min) m2-hr-C/kcal 0.000200 0.000200Heat 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 22.433Design Temperature C 350.00 85.00No Passes per Shell 1 2Flow Direction Downward

Connections In mm 1 @ 77.927 1 @ 154.051Size & Out mm 1 @ 52.502 1 @ 154.051Rating Liq. Out mm @ @

Tube No. 180 OD 15.875 mm Thk(Avg) 1.651 mm Length 1000. mm Pitch 19.844 mm Layout 30Tube Type Plain Material CARBON STEEL Pairs seal strips 2Shell ID 336.510 mm Kettle ID mm Passlane Seal Rod No.0Cross Baffle Type PARALLEL SINGLE-SEG. %Cut (Diam) 27.40 Impingement Plate NoneSpacing(c/c) 173.903 mm Inlet 275.210 mm No. of Crosspasses 5Rho-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-s2Weight/Shell 485.66 Filled with Water 667.01 Bundle 134.25 kgNotes: Thermal Resistance, % Velocities, m/s Flow Fractions

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

F 0.000

999.99mm

336.51mm


HEAT EXCHANGER SPECIFICATION SHEET 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-702Size 336.510 x 999.988 mm Type BEU Horz. Connected In 1 Parallel 1 SeriesSurf/Unit (Gross/Eff) 8.98 / 8.72 m2 Shell/Unit 1 Surf/Shell (Gross/Eff) 8.98 / 8.72 m2

PERFORMANCE OF ONE UNITFluid Allocation Shell Side Tube SideFluid 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 NoncondensablesTemperature (In/Out) C 179.00 140.35 15.00 70.00Specific Gravity 0.9262Viscosity cP 0.0152 0.1960 0.0112 0.0130Molecular Weight, VaporMolecular Weight, NoncondensablesSpecific Heat kcal/kg-C 0.5072 1.0246 0.5472 0.5706Thermal Conductivity kcal/hr-m-C 0.0276 0.5890 0.0283 0.0350Latent Heat kcal/kg 512.166 512.232Inlet Pressure kgf/cm2A 3.733 18.833Velocity m/s 3.32 26.53Pressure Drop, Allow/Calc kgf/cm2 0.510 9.749e-3 0.510 0.351Fouling Resistance (min) m2-hr-C/kcal 0.000200 0.000200Heat Exchanged kcal/hr 411344 MTD (Corrected) 95.5 CTransfer 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 85.00No Passes per Shell 1 2Corrosion Allowance mm

Connections In mm 1 @ 77.927 1 @ 154.051Size & Out mm 1 @ 52.502 1 @ 154.051Rating Intermediate @ @

Tube No. 90U OD 15.875 mm Thk(Avg) 1.651 mm Length 1000. mm Pitch 19.844 mm Layout 30Tube Type Plain Material CARBON STEELShell ID 336.510 mm OD mm Shell CoverChannel or Bonnet Channel CoverTubesheet-Stationary Tubesheet-FloatingFloating Head Cover Impingement Plate NoneBaffles-Cross Type SINGLE-SEG. %Cut (Diam) 27.40 Spacing(c/c) 173.903 Inlet 275.210 mmBaffles-Long Seal Type Supports-Tube U-Bend Type Bypass Seal Arrangement Tube-Tubesheet JointExpansion Joint Type Rho-V2-Inlet Nozzle 1128.42 kg/m-s2 Bundle Entrance 89.91 Bundle Exit 0.43 kg/m-s2Gaskets-Shell Side Tube Side -Floating Head Code Requirements TEMA ClassWeight/Shell 485.66 Filled with Water 667.01 Bundle 134.25 kgRemarks:

Reprinted with Permission (v6 )

999.99mm

336.51mm


Stream Properties

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesHot Shellside Fluid Inlet OutletFluid name Super Heated LP SteamTemperature (C) 179.00 140.35Pressure (kgf/cm2A) 3.733 3.723Weight fraction vapor (--) 1.0000 0.0000

Vapor PropertiesDensity (kg/m3) 1.7968 1.9851Viscosity (cP) 0.0152 0.0137Conductivity (kcal/hr-m-C) 0.0276 0.0253Heat capacity (kcal/kg-C) 0.5072 0.5530Molecular weight (--) 18.02 18.02

Liquid PropertiesDensity (kg/m3) 888.059 925.815Viscosity (cP) 0.1510 0.1960Conductivity (kcal/hr-m-C) 0.5890 0.5890Heat capacity (kcal/kg-C) 1.0246 1.0246Molecular weight (--) 18.02 18.02Latent heat (kcal/kg) 512.166 512.232Surface tension (dyne/cm) 50.7621 50.7814

Molar Composition Vapor Liquid K-Value Vapor Liquid K-Value1 Water (IAPWS 1997) -- -- -- -- -- --


Stream Properties

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH Units Natural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesCold Tubeside Fluid Inlet OutletFluid name Natural GasTemperature (C) 15.00 70.00Pressure (kgf/cm2A) 18.833 18.482Weight fraction vapor (--) 1.0000 1.0000

Vapor PropertiesDensity (kg/m3) 13.8780 11.1607Viscosity (cP) 0.0112 0.0130Conductivity (kcal/hr-m-C) 0.0283 0.0350Heat capacity (kcal/kg-C) 0.5472 0.5706Molecular weight (--) 0 0

Liquid PropertiesDensity (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


Input Reprint

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH UnitsNatural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesShell DataService type Generic Shell and TubeTEMA type BEURun mode RatingHot fluid location ShellsideNumber of shells in series 1Number of shells in parallel 1Shell inside diameter 336.510 mmFlow in 1st tubepass CocurrentTrain flow direction Countercurrent

Reboiler DataReboiler type No piping specifiedInlet pressure location Inlet nozzle

Tube DataTube type PlainTube outside diameter 15.875 mmTube wall thickness 1.651 mmTube pitch 19.844 mmTube pitch ratio 1.250Tubepasses per shell 2Tube pattern 30 degreesTube count method RigorousTube length 1000. mmTube material Carbon steel

Tubepass Arrangement DataForce symmetric layout NoForce cleaning lanes NoTubepass layout Rotated ribbonFirst tubepass location LeftTubes to remove for tie rods Calculated

Baffle DataBaffle type Single segmentalBaffle orientation ParallelBaffle cut percent 27.4 % shell IDNumber of crosspasses 5Variable baffle spacing NoWindow cut from baffles No


Input Reprint

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH UnitsNatural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesClearance DataNumber of seal strip pairs 2Baffle clearance type TEMABlock A stream NoBlock E stream NoBlock F stream NoNumber of passlane seal rods CalculatedHeight under nozzle 30.000 mmHeight under nozzle 30.000 mm

Nozzle DataShellside inlet ID 77.927 mmNumber of shellside inlet nozzles 1Shellside outlet ID 52.502 mmNumber of shellside outlet nozzles 1Tubeside inlet ID 154.051 mmNumber of tubeside inlet nozzles 1Tubeside outlet ID 154.051 mmNumber of tubeside outlet nozzles 1Radial position on shell inlet nozzle Program decidesLongitudinal position on shell of inlet nozzle At front headRadial position on shell outlet nozzle Program decidesLocation of nozzle at U-bend Before U-bendTubeside entry type RadialTubeside inlet position Front headTubeside exit type RadialFront head location Left

Impingement DataImpingement device present If required by TEMAImpingement type Circular plate

Optional Geometry DataSmall exchanger NoTubesheet type SingleShell expansion joint NoFloating head support type NoneFull support at U-Bend Full supportInsulated longitudinal baffle NoTubeside design temperature 85.00 CTubeside design pressure 22.434 kgf/cm2GShellside design temperature 350.00 CShellside design pressure 5.608 kgf/cm2G


Input Reprint

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH UnitsNatural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesProcess Conditions Data Hot Fluid Cold FluidPhase condition Two phase Sensible gasFlow rate -- 13.3850 1000-kg/hrInlet vapor fraction 1 1Outlet vapor fraction 0 1Inlet temperature 179.00 15.00 COutlet temperature -- 70.00 CInlet pressure 3.733 18.833 kgf/cm2AAllowable pressure drop 0.510 0.510 kgf/cm2Duty multiplier 1

Process Fouling Data Hot Fluid Cold FluidFouling resistance 2.000e-4 2.000e-4 m2-hr-C/kcal

Hot Fluid Property DataFluid name Super Heated LP SteamPhysical property method Component by component propertiesHeat release method Program calculatedFlash type IntegralQuantity units MolesTemperature interpolation option ProgramNumber of components 1Property package HTRI

Hot Fluid Component DataComponent number 1Component name Water (IAPWS 1997)Comp. bank name Water (IAPWS 1997)Component bank HTRIComponent code 1Component phase Mixed

Cold Fluid Property DataFluid name Natural GasPhysical property method Bulk properties via gridHeat release method User specified via TP gridFlash type IntegralQuantity units MolesTemperature interpolation option ProgramHeat release type Specific enthalpy

Cold Fluid Physical Property DataPressure Set, 18.834 kgf/cm2A

Vapor Vapor Vapor VaporMass Vapor Dynamic Thermal Heat

Temp. Enthalpy Fraction Density Viscosity Cond. CapacityC kcal/kg kg/m3 cP kcal/hr-m-C kcal/kg-C15.00 -1074.7 1 13.8787 0.0112 0.0283 0.547221.22 -1071.3 1 13.5361 0.0114 0.0290 0.549127.42 -1067.9 1 13.2130 0.0116 0.0298 0.5512


Input Reprint

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH UnitsNatural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesCold Fluid Physical Property DataPressure Set, 18.834 kgf/cm2A

Vapor Vapor Vapor VaporMass Vapor Dynamic Thermal Heat

Temp. Enthalpy Fraction Density Viscosity Cond. CapacityC kcal/kg kg/m3 cP kcal/hr-m-C kcal/kg-C33.59 -1064.4 1 12.9077 0.0118 0.0305 0.553539.73 -1061.0 1 12.6187 0.0120 0.0313 0.556045.85 -1057.6 1 12.3448 0.0122 0.0320 0.558751.94 -1054.2 1 12.0848 0.0124 0.0328 0.561657.99 -1050.8 1 11.8377 0.0126 0.0335 0.564664.01 -1047.4 1 11.6026 0.0128 0.0343 0.567770.00 -1044.0 1 11.3786 0.0130 0.0351 0.5710

Pressure Set, 18.579 kgf/cm2AVapor Vapor Vapor VaporMass Vapor Dynamic Thermal Heat

Temp. Enthalpy Fraction Density Viscosity Cond. CapacityC kcal/kg kg/m3 cP kcal/hr-m-C kcal/kg-C15.00 -1074.6 1 13.6812 0.0112 0.0283 0.546721.22 -1071.2 1 13.3442 0.0114 0.0290 0.548627.42 -1067.8 1 13.0262 0.0116 0.0298 0.550833.59 -1064.4 1 12.7258 0.0118 0.0305 0.553139.74 -1061.0 1 12.4413 0.0120 0.0313 0.555745.85 -1057.6 1 12.1717 0.0122 0.0320 0.558451.94 -1054.2 1 11.9158 0.0124 0.0328 0.561357.99 -1050.7 1 11.6726 0.0126 0.0335 0.564364.01 -1047.3 1 11.4411 0.0128 0.0343 0.567470.00 -1043.9 1 11.2205 0.0130 0.0350 0.5707

Pressure Set, 18.324 kgf/cm2AVapor Vapor Vapor VaporMass Vapor Dynamic Thermal Heat

Temp. Enthalpy Fraction Density Viscosity Cond. CapacityC kcal/kg kg/m3 cP kcal/hr-m-C kcal/kg-C15.00 -1074.5 1 13.4841 0.0112 0.0283 0.546321.22 -1071.1 1 13.1525 0.0114 0.0290 0.548227.42 -1067.7 1 12.8397 0.0116 0.0297 0.550433.59 -1064.3 1 12.5440 0.0118 0.0305 0.552739.74 -1060.9 1 12.2642 0.0120 0.0312 0.555345.86 -1057.5 1 11.9989 0.0122 0.0320 0.558051.94 -1054.1 1 11.7470 0.0124 0.0327 0.560957.99 -1050.7 1 11.5076 0.0126 0.0335 0.564064.01 -1047.3 1 11.2797 0.0128 0.0343 0.567170.00 -1043.9 1 11.0626 0.0130 0.0350 0.5704


Input Reprint

Xist Ver. 6.00 2/18/2013 17:10 SN: 1500213809 MKH UnitsNatural Gas Steam HeaterFuel Gas Super Heating SystemRating - Horizontal Multipass Flow TEMA BEU Shell With Single-Segmental BafflesControl Name DataCase name Fuel Gas Super Heating SystemProblem name Natural Gas Steam HeaterItem Number E-702Service Natural Gas Steam Heater

Control Methods DataShellside friction factor method CommercialTubeside friction factor method CommercialPure longitudinal flow NoPure component condensation NoCondensing correlation HTRI ProrationMole fraction inerts 0Momentum exclusion 0 %Pure component boiling NoCheck film boiling YesNucleate boiling method Physical property/theoretical boiling rangeComponent boiling method Nucleate and convective

Control Safety DataHot fluid/shellside film coefficient multiplier 1Cold fluid/tubeside film coefficient multiplier 1

Control User-Defined Methods DataAdd non-nucleate boiling Yes

Control Vibration DataDamping factor method HTRI MethodInclude inlet vibration support NoInclude outlet vibration support No
