Single Phase Incompressible Newtonian Fluid flow in Circular Pipe- Pressure Drop

Liquid PropertiesFluid Name Ethanol

Fluid Density Kg/m3 2000Fluid Viscosity cP 2 0.002Fluid flow rate Kg/hr 30000 0.004167Inlet Pressure Bar (Abs.) 4

Inlet Temperature Deg.C 40

Inside Diameter of Pipe mm 154.051 0.154051 0.018629

Velocity calculated m/s 0.2236609

Reynolds number N/A 34455.184

GO TO Turbulent flow worksheet

Single Phase Incompressible Newtonian Fluid flow in Circular Pipe- Del.P Estimation

LAMINAR FLOW

Pipe specificationsPipe inside diameter mm 154.051 0.154051

0 0Straight length of pipeline thr which del P is calculated m 1

Details of pipe fittings and valves to be used

Fittings # Fittings15 45 deg standard elbow 1 15 50 Sudden expansion (Tank inlet)10 45 deg long radius elbow 1 10 200 Gate valve40 90 deg standard radius elbow 1 40 300 Globe valve23 90 deg standard long elbow 1 23 18 Plug valve75 90 deg square elbow 1 75 Check valve60 Tee-entry from leg 1 60 Ball valve90 Tee-entry into leg 1 90 Butterfly valve

2 Union and coupling 1 225 Sharp reduction (Tank outlet) 1 25

340Length due to pipe fittings and valves = m 139.8783

Friction factor and Pressure drop calculation

Isothermal friction factor N/A 0.001857Pressure drop in straight length MLC 3.07E-05

Pressure drop in eq. Length due to pipe and fittings MLC 0.0043Pressure drop additional due to any other equipments MLC 1

Total pressure drop MLC 1.004331Bar 0.19705

Single Phase Incompressible Newtonian Fluid flow in Circular Pipe- Del.P Estimation

LAMINAR FLOW

0.0015

0.0015

0.001974

Fittings #Sudden expansion (Tank inlet) 1 50

Gate valve 1 200Globe valve 1 300

Plug valve 1 18Check valve 1 0

Ball valve 1 0Butterfly valve 1 0

1 01 0

568

Single Phase Incompressible Newtonian Fluid flow in Circular Pipe- Del.P Estimation

TURBULENT FLOW

Pipe specificationsPipe inside diameter mm 154.051 0.154051

Select Pipe Roughness / Material mm 2 0.012983

Straight length of pipeline thr which del P is calculated m 120 0.001974

Details of pipe fittings and valves to be used

Fittings # Fittings #

15 45 deg standard elbow 1 15 50 Sudden expansion (Tank inlet) 2 100

10 45 deg long radius elbow 1 10 200 Gate valve 2 40040 90 deg standard radius elbow 1 40 300 Globe valve 2 60023 90 deg standard long elbow 1 23 18 Plug valve 2 3675 90 deg square elbow 2 150 Check valve 2 060 Tee-entry from leg 2 120 Ball valve 2 090 Tee-entry into leg 2 180 Butterfly valve 2 0

2 Union and coupling 2 4 025 Sharp reduction (Tank outlet) 2 50 0

592 1136Length due to pipe fittings and valves = m 266.2001

Friction factor and Pressure drop calculation

Isothermal friction factor N/A 0.038468Pressure drop in straight length MLC 0.076401

Pressure drop in eq. Length due to pipe and fittings MLC 0.169482Pressure drop additional due to any other equipments MLC 2

Total pressure drop MLC 2.245883Bar 0.440642

8,10

Smooth Pipe

Seamless Steel 0.0015ERW Steel 0.046

Cast Iron 0.17

Planed wood 0.046Unplaned wood 0.073Finished concrete 0.046Unfinished concre 0.11Riveted Steel 0.51Corrugated Metal 1.68Brick 0.25Rubble 3.66User Input-Any Other

Single Phase Incompressible Newtonian Fluid flow in Circular Pipe-Abs. Roughness Data

Source:1 Richardson & Coulson - Volume-1 - Ed. 5th2 Richardson & Coulson - Volume-6 - Ed. 3rd

Absolute roughness values for different moc

Material of Construction mmPlaned wood or finished concrete 0.046

Unplaned wood 0.073Unfinished concrete 0.11

Cast iron 0.17Brick 0.25

Riveted steel 0.51Corrugated metal 1.68

Rubble 3.66Drawn tubing 0.0015

Commercial steel pipe 0.046

Single Phase Incompressible Newtonian Fluid flow in Circular Pipe-Abs. Roughness Data

Richardson & Coulson - Volume-1 - Ed. 5thRichardson & Coulson - Volume-6 - Ed. 3rd

Absolute roughness values for different moc

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Pressure drop calculation of Incompressible fluids: Results

Input Data

Name of the fluid EthanolInlet Temperature Deg. C. 40Inlet Pressure Bar (A) 4Flow rate Kg/Hr 30000Fluid density Kg/m^3 2000Fluid Viscosity Cp 2Pipe ID mm 154.051Straight pipe lengthmm 120

Fittings Used

45 deg standard elbow 1 udden expansion (Tank inlet) 245 deg long radius elbow 1 Gate valve 2

90 deg standard radius elbow 1 Globe valve 290 deg standard long elbow 1 Plug valve 2

90 deg square elbow 2 Check valve 2Tee-entry from leg 2 Ball valve 2Tee-entry into leg 2 Butterfly valve 2

Union and coupling 2Sharp reduction (Tank outlet) 2

Additional pressure drop due to any other equipme 2 MLC

ResultsFlow Regime Turbulent FlowReynolds Number 34455.2Pressure Drop 2.24588 MLC

0.44064 Bar

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