Flaresample Results

N:\My Documents\My model.fnw (Revised At 08:56:01 On 11/02/2011) Page 1 Of 1 (Pane 1)Printed At 08:43:30 On 14/02/2011

Aspen Flare System AnalyzerVersion V7.1

User Name : Kalyana Job Code : Project : TGT Vent Analysis Description :

Component Data

Name ID Mol. Wt. CriticalTemperature

(K)

CriticalPressure(bar abs)

CriticalVolume

(m3/kgmole)

Char.Volume

(m3/kgmole)

AcentricFactor

Nitrogen 59 28.013 126.19 33.944 0.09000 0.09015 0.04000 CO2 53 44.010 304.10 73.700 0.09390 0.09383 0.23894 Methane 1 16.043 190.70 46.407 0.09900 0.09939 0.01150 Ethane 2 30.070 305.43 48.839 0.14800 0.14575 0.09860 Propane 3 44.097 369.90 42.567 0.20000 0.20008 0.15240 i-Butane 4 58.124 408.10 36.476 0.26300 0.25683 0.18479 n-Butane 5 58.124 425.20 37.966 0.25499 0.25439 0.20100 i-Pentane 6 72.151 460.40 33.336 0.30799 0.30959 0.22224 n-Pentane 7 72.151 469.60 33.751 0.31099 0.31132 0.25389




Component Data

Name SRK AcentricFactor

Norm. BoilingPoint(K)

StandardDensity(kg/m3)

WatsonFactor

EnthalpyTerm A

(kJ/kgmole)

EnthalpyTerm B

(kJ/kgmole/K)

EnthalpyTerm C

(kJ/kgmole/K2)

Nitrogen 0.03580 77.35 806.37 6.43 -4.49048e+001 2.97414e+001 -3.07134e-003 CO2 0.23725 194.60 825.34 8.54 5.51243e-008 2.72041e+001 2.13220e-002 Methane 0.00740 111.63 299.39 19.56 -2.08237e+002 3.79349e+001 -3.42110e-002 Ethane 0.09830 184.55 355.68 19.47 -5.31485e+001 3.43669e+001 -9.73062e-003 Propane 0.15320 231.05 506.68 14.73 1.74134e+003 1.74183e+001 9.32250e-002 i-Butane 0.18250 261.42 561.97 13.84 1.79621e+003 8.91041e+000 1.53144e-001 n-Butane 0.20080 272.65 583.22 13.52 3.93622e+003 4.96413e-001 1.90472e-001 i-Pentane 0.23995 301.03 623.44 13.08 4.63570e+003 -9.50936e+000 2.55487e-001 n-Pentane 0.25220 309.21 629.73 13.06 4.55980e+003 -8.44289e-001 2.39282e-001




Component Data

Name EnthalpyTerm D

(kJ/kgmole/K3)

EnthalpyTerm E

(kJ/kgmole/K4)

EnthalpyTerm F

(kJ/kgmole/K5)

EntropyTerm

ViscosityA Term

ViscosityB Term

Type

Nitrogen 4.76602e-006 -1.16995e-009 -1.01436e-013 1.00000e+000 0.12115 0.02163 Misc CO2 -6.57298e-006 1.00804e-009 -6.03131e-014 1.00000e+000 -0.00038 -0.31474 Misc Methane 9.08317e-005 -5.97559e-008 1.38113e-011 1.00000e+000 -0.00201 0.02547 HC Ethane 1.27590e-004 -1.02032e-007 2.65245e-011 1.00000e+000 0.07231 0.04698 HC Propane 1.74838e-005 -2.94205e-008 7.40547e-012 1.00000e+000 0.07112 -0.06538 HC i-Butane 4.22693e-006 -4.23082e-008 1.37600e-011 1.00000e+000 0.10784 -0.14528 HC n-Butane -6.44990e-005 1.02674e-008 -3.71951e-013 1.00000e+000 0.10006 -0.05969 HC i-Pentane -9.61917e-005 1.81421e-008 -9.34904e-013 1.00000e+000 0.03229 -0.18757 HC n-Pentane -8.44528e-005 1.44039e-008 -6.25178e-013 1.00000e+000 0.12425 -0.03341 HC




Scenario Data

Name SystemBack Pres.(bar abs)

HeaderMach No.

HeaderVap. Vel.

(m/s)

HeaderLiq. Vel.

(m/s)

HeaderRho V2

(kg/m/s2)

HeaderNoise(dB)

TailpipeMach No.

TailpipeVap. Vel.

(m/s)

Default Scenario 0.5000 100.000 0.5000 SOURCE 2 only 0.5000 100.000 0.5000




Scenario Data

Name TailpipeLiq. Vel.

(m/s)

TailpipeRho V2

(kg/m/s2)

TailpipeNoise(dB)

Default Scenario 100.000 SOURCE 2 only 100.000




Network

Name Location UpstreamNode

DownstreamNode

Ignored Tailpipe Length

(m)

Stack CON1 TGT Vent No No 100.000 Header 3 tee1 CON1 No No 50.000 Tail pipe1 SOURCE1 tee1 No No 25.000 TAIL PIPE 2 SOURCE2 tee1 No No 25.000




Network

Name ElevationChange

(m)

Material Roughness

(mm)

ThermalConductivity

(W/m/C)

NominalDiameter

Schedule InternalDiameter

(mm)

Stack 100.000 Carbon Steel 0.04572 51.91 36 inch 40 876.300 Header 3 0.000 Carbon Steel 0.04572 51.91 36 inch 40 876.300 Tail pipe1 0.000 Carbon Steel 0.04572 51.91 18 inch 40 428.650 TAIL PIPE 2 0.000 Carbon Steel 0.04572 51.91 18 inch 40 428.650




Network

Name WallThickness

(mm)

PipeClass

Sizeable LengthMultiplier

FittingsLoss A

Fittingsloss B

AmbientTemperature

(C)

WindVelocity

(m/s)

InsulationDescription

Stack 19.050 No Yes 0.000 0.000 Glass Fibre Header 3 19.050 No Yes 0.000 0.000 Glass Fibre Tail pipe1 14.275 No Yes 0.000 0.000 Glass Fibre TAIL PIPE 2 14.275 No Yes 0.000 0.000 Glass Fibre




Network

Name InsulationThickness

(mm)

InsulationConductivity

(W/m/C)

OutletTemperature

(C)

Duty

(kJ/hr)

VLE HorizontalPres. Drop

Stack 0.00 0.040 0.000e+000 Model Default Model Default Header 3 0.00 0.040 0.000e+000 Model Default Model Default Tail pipe1 0.00 0.040 0.000e+000 Model Default Model Default TAIL PIPE 2 0.00 0.040 0.000e+000 Model Default Model Default




Network

Name InclinedPres. Drop

VerticalPres. Drop

Two PhaseElements

FrictionFactor

DampingFactor

Stack Model Default Model Default Model Default Header 3 Model Default Model Default Model Default Tail pipe1 Model Default Model Default Model Default TAIL PIPE 2 Model Default Model Default Model Default



User Name : Kalyana Job Code : Project : TGT Vent Analysis Description :Scenario : SOURCE 2 only

Node Data

Name Location Ignored NodeType

Connections

TGT Vent TGT No Flare Tip Inlet : Stack CON1 No Connector Upstream : Header 3 Downstream : Stack tee1 No Tee Upstream : TAIL PIPE 2 Downstream : Header 3 Branch : Tail pipe1 SOURCE1 Yes Control Valve Outlet : Tail pipe1 SOURCE2 Yes Relief Valve Outlet : TAIL PIPE 2

TGT Vent TGT No Flare Tip Inlet : Stack CON1 No Connector Upstream : Header 3 Downstream : Stack tee1 No Tee Upstream : TAIL PIPE 2 Downstream : Header 3 Branch : Tail pipe1 SOURCE1 Yes Control Valve Outlet : Tail pipe1 SOURCE2 Yes Relief Valve Outlet : TAIL PIPE 2




Node Data

Name Calculations

TGT Vent Fittings Loss = 3.000 (Total) : Isothermal Presssure Drop = No Diameter = 876.300 mm : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No CON1 Fittings Loss Method = Calculated : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No Theta = 90.00 deg tee1 Fittings Loss Method = Miller : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No Theta = 90 deg : Body = Downstream SOURCE1 Flange Diameter = mm Fittings Loss Method = Calculated : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No SOURCE2 MAWP = 10.0000 bar abs : Flange Diameter = mm : Number Of Valves = 1 : Orifice Area Per Valve = 16774.194 mm2 Valve Type = Balanced : Fittings Loss Method = Calculated : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No

TGT Vent Fittings Loss = 3.000 (Total) : Isothermal Presssure Drop = No Diameter = 876.300 mm : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No CON1 Fittings Loss Method = Calculated : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No Theta = 90.00 deg tee1 Fittings Loss Method = Miller : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No Theta = 90 deg : Body = Downstream SOURCE1 Flange Diameter = mm Fittings Loss Method = Calculated : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No SOURCE2 MAWP = 10.0000 bar abs : Flange Diameter = mm : Number Of Valves = 1 : Orifice Area Per Valve = 16774.194 mm2 Valve Type = Balanced : Fittings Loss Method = Calculated : Two Phase Correction = Yes Incompressible Calculation = Yes : Compressible Transition = 10.0 % : Isothermal Pressure Drop = No




Fittings

No Data




Messages - Problems

No. Message

1 Mach Number Violation For Pipe Segment 'Tail pipe1' (0.501/0.636) In Scenario 'Default Scenario'2 Mach Number Violation At Flange For Source 'SOURCE1' (0.501) In Scenario 'Default Scenario'




Messages - Data Echo

No. Message

1 GENERAL2 Properties Iterations Limit = 253 Loop Iterations Limit = 5004 Properties Pressure Tolerance = 1.00E-04 %5 Unit Operations Pressure Tolerance = 1.00E-03 %6 Loop Pressure Tolerance = 1.00E-02 %7 Loop Mass Balance Tolerance = 1.0E00 %8 Properties Damping Factor = 1.0E009 Loop Damping Factor = 1.0E00

10 Atmospheric Pressure = 1.01325 bar abs11 Ambient Temperature = 15.00 C12 Wind Velocity = 10.00 m/s13 Length Multiplier = 1.0014 Calculation Mode = Rating15 Rated Flow For Tailpipes = Disabled16 Basis For Pressure Warnings = Static Pressure17 Rated Flow For Nodes Attached To Tailpipes = Disabled18 Rated Flow For Inlet Pipes = Disabled19 Ignoring Inlet Pipe Calculations for Ignored Sources = Disabled20 Inlet Pipe Pressure Drop Warning At 3.0 %21 Heat Transfer Calculations = Disabled22 Radiative External Heat Transfer Coefficient = Disabled23 Calculations For Ignored Sources = Disabled24 Source To Pipe Size Changes Ignored in Design Mode = Enabled25 Kinetic Energy Used In Energy Balance = Disabled26 Calculation For Scenario 127 METHODS28 VLE Method = Compressible Gas29 Enthalpy Method = Ideal Gas30 Horizontal Pipes = Isothermal Gas31 Inclined Pipes = Isothermal Gas32 Vertical Pipes = Isothermal Gas33 Two Phase Elements = 1034 Friction Factor Method = Chen35 WARNINGS36 Minimum Temperature For Carbon Steel = -29.00 C37 Maximum Temperature For Carbon Steel = 400.00 C38 Minimum Temperature For Stainless Steel = -69.00 C39 Maximum Temperature For Stainless Steel = 500.00 C




Messages - Solver

No. Message

1 Calculations Started At 08:38:21 On 14/02/20112 Scenario Default Scenario3 Operation Outside Range Of Miller Charts For Tee 'tee1' In Scenario 'Default Scenario'. K = 8.00 Used4 Calculation Time = 0 s




Messages - Sizing

No Results




Messages - Loops

No. Message

1 Unable To Initialise With User Estimates In Scenario 'Default Scenario'



User Name : Kalyana Job Code : Project : TGT Vent Analysis Description :Scenario : Default Scenario

Source Data

Name Location OutletPipe

Type Ignored InletPressure(bar abs)

Inlet Temp.Spec.

(C)

SOURCE1 Tail pipe1 Control Valve No 10.00000 15.00 SOURCE2 TAIL PIPE 2 Relief Valve No 10.89868 15.00




Source Data

Name AllowableBackpressure

(bar abs)

OutletTemperature

(C)

MassFlow

(kg/hr)

Rated MassFlow

(kg/hr)

Outlet FlangeDiameter

(mm)

Valves Relief ValveType

SOURCE1 5.00000 15.00 100000.0 SOURCE2 5.00000 15.00 0.0 110622.6 1 Balanced




Source Data

Name OrificeArea

(mm2)

Orifice Back Pres.Limit

(bar abs)

Outlet FittingsLoss Method

Inlet Length

(m)

Inlet Elev.Change

(m)

InletMaterial

SOURCE1 Calculated 0.00 0.00 Carbon Steel SOURCE2 16774.194 T Calculated 0.00 0.00 Carbon Steel




Source Data

Name InletRoughness

(mm)

Inlet Nom.Diameter

InletSchedule

Inlet Intern.Diameter

(mm)

InletPipeClass

Inlet FittingsLoss A

Inlet Fittingsloss B

Static InletPres. Drop

(bar)

SOURCE1 0.04572 12 inch 40 303.225 No 0.000 0.000 0.00000 SOURCE2 0.04572 12 inch 40 303.225 No 0.000 0.000 0.00000




Source Data

Name VLEMethod

Inlet Temp.Calc.(C)

VapourFraction

Enthalpy

(kJ/kgmole)

Entropy

(kJ/kgmole/K)

Energy

(kJ/hr)

CompositionBasis

SOURCE1 Model Default 15.00 1.000000 10171.32 228.822 5.086e+007 Mol. Wt. SOURCE2 Model Default 15.00 1.000000 10803.31 233.332 0.000e+000 Mol. Wt.




Source Data

Name Mol. Wt. Nitrogen CO2 Methane Ethane Propane i-Butane

SOURCE1 20.0000 0.000000 0.000000 0.717894 0.282106 0.000000 0.000000 SOURCE2 25.0000 0.000000 0.000000 0.361439 0.638561 0.000000 0.000000




Source Data

Name n-Butane i-Pentane n-Pentane

SOURCE1 0.000000 0.000000 0.000000 SOURCE2 0.000000 0.000000 0.000000




Pressure/Flow Summary (Velocities For Tailpipes Based Upon Rated Flow)

Name MassFlowrate(kg/hr)

MolarFlowrate

(kgmole/hr)

RatedFlowrate(kg/hr)

Static PressureDrop(bar)

Noise

(dB)

Static SourceBack Pressure

(bar abs)

UpstreamStatic Pressure

(bar abs)

Stack 100000.0 5000.00 210622.6 0.01608 56.7 1.05375 Header 3 100000.0 5000.00 210622.6 0.00795 53.4 1.06169 Tail pipe1 100000.0 5000.00 100000.0 0.25058 87.0 1.18206 1.18206 TAIL PIPE 2 0.0 0.00 110622.6 0.00000 0.0 1.08436 1.08436





Name UpstreamTemperature

(C)

UpstreamVelocity

(m/s)

UpstreamMach No.

UpstreamRho V2

(kg/m/s2)

UpstreamEnergy(kJ/hr)

DownstreamStatic Pressure

(bar abs)

DownstreamTemperature

(C)

Stack 14.98 52.191 0.134 2404 5.086E07 1.03766 14.98 Header 3 14.98 51.799 0.133 2386 5.086E07 1.05375 14.98 Tail pipe1 14.98 194.367 0.501 37413 5.086E07 0.93149 14.98 TAIL PIPE 2 15.00 0.000 0.000 0 1.080E-04 1.08436 15.00





Name DownstreamVelocity

(m/s)

DownstreamMach No.

DownstreamRho V2

(kg/m/s2)

DownstreamEnergy(kJ/hr)

FlowRegime

Static PipeFriction Loss

(bar)

Stack 53.002 0.137 2441 5.086E07 Single Phase/Single Phase Header 3 52.191 0.134 2404 5.086E07 Single Phase/Single Phase Tail pipe1 246.838 0.636 47513 5.086E07 Single Phase/Single Phase TAIL PIPE 2 0.000 0.000 0 1.080E-04 Single Phase/Single Phase 0.00000





Name Static PipeAccel. Loss

(bar)

Static PipeElevation Loss

(bar)

Static PipeFittings Loss

(bar)

FrictionFactor

ReynoldsNumber

Duty

(kJ/hr)

OverallHTC

(W/m2/C)

Stack 0.00000 0.01137 3868015 0.000E00 Header 3 0.00000 0.01137 3867840 0.000E00 Tail pipe1 0.00000 0.01236 8020444 0.000E00 TAIL PIPE 2 0.00000 0.00000 0.00000 0.00000 0 0.000E00





Name ExternalConvective HTC

(W/m2/C)

ExternalRadiative HTC

(W/m2/C)

InternalHTC

(W/m2/C)

WallTemperature

(C)

ExternalTemperature

(C)

EquivalentLength

(m)

PhysicalLength

(m)

Stack 100.00 100.00 Header 3 50.00 50.00 Tail pipe1 25.00 25.00 TAIL PIPE 2 25.00 25.00




Source Data

Name Location OutletPipe

Type Ignored InletPressure(bar abs)

Inlet Temp.Spec.

(C)

SOURCE1 Tail pipe1 Control Valve Yes 10.00000 15.00 SOURCE2 TAIL PIPE 2 Relief Valve Yes 10.00000 15.00




Source Data

Name AllowableBackpressure

(bar abs)

OutletTemperature

(C)

MassFlow

(kg/hr)

Rated MassFlow

(kg/hr)

Outlet FlangeDiameter

(mm)

Valves Relief ValveType

SOURCE1 5.00000 15.00 0.0 SOURCE2 5.00000 15.00 100000.0 0.0 1 Balanced




Source Data

Name OrificeArea

(mm2)

Orifice Back Pres.Limit

(bar abs)

Outlet FittingsLoss Method

Inlet Length

(m)

Inlet Elev.Change

(m)

InletMaterial

SOURCE1 Calculated 0.00 0.00 Carbon Steel SOURCE2 16774.194 T Calculated 0.00 0.00 Carbon Steel




Source Data

Name InletRoughness

(mm)

Inlet Nom.Diameter

InletSchedule

Inlet Intern.Diameter

(mm)

InletPipeClass

Inlet FittingsLoss A

Inlet Fittingsloss B

Static InletPres. Drop

(bar)

SOURCE1 0.04572 12 inch 40 303.225 No 0.000 0.000 0.00000 SOURCE2 0.04572 12 inch 40 303.225 No 0.000 0.000 0.00000




Source Data

Name VLEMethod

Inlet Temp.Calc.(C)

VapourFraction

Enthalpy

(kJ/kgmole)

Entropy

(kJ/kgmole/K)

Energy

(kJ/hr)

CompositionBasis

SOURCE1 Model Default 15.00 1.000000 10171.32 228.822 0.000e+000 Mol. Wt. SOURCE2 Model Default 15.00 1.000000 11184.15 233.778 3.992e+007 Mol. Wt.




Source Data

Name Mol. Wt. Nitrogen CO2 Methane Ethane Propane i-Butane

SOURCE1 20.0000 0.000000 0.000000 0.717894 0.282106 0.000000 0.000000 SOURCE2 28.0130 0.000000 0.000000 0.146639 0.853361 0.000000 0.000000




Source Data

Name n-Butane i-Pentane n-Pentane

SOURCE1 0.000000 0.000000 0.000000 SOURCE2 0.000000 0.000000 0.000000




Pressure/Flow Summary

No Results