Pipeng Pipeline Engineering Software
Online software for pipeline engineers: calculators, data tables, unit converters and user manuals.
Use the shortcuts side bar on the left to look for software by key word, or by type.
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How To Use Calc *** New
How to use the calculate page to enter data values and calculate results with no plots or tables.
How To Use Setup *** New
How to use the setup page to change the setup options: calculate mode, units and stack variables.
How To Use Basic Goal Seek *** New
How to use the basic goal seek page to calculate goal seek values, and roots or zeros.
How To Use Advanced Goal Seek *** New
How to use the advanced goal seek page to calculate goal seek values, and roots or zeros with integrals and derivatives.
Panhandle Equation
Topic list for Panhandle equation. Pipeline pressure loss, diameter and flow rate etc... using the Panhandle equation.
Beam Vibration
Topic list for beam and wire vibration modes and vibration frequencies etc...
Pipe Dent
Topic list for pipe dents: dent assessment, dent depth, and dent energy etc...
Bernoulli Equation
Topic list for Bernoulli's equation: static pressure, dynamic pressure, energy grade line, hydraulic grade line, fluid flow, pressure loss, pitot tubes, prandtl tubes and flow meters etc...
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Pipe Walking *** New
Topic list for pipe walking due to thermal and pressure cycling of short flowlines etc...
Expansion Spool *** New
Topic list for expansion spools; reaction forces, bending moments and deflection for suspended spools, and spools in ground contact etc...
End Expansion *** New
Topic list for pipe end expansion: transition length, anchor points and end expansion due to temperature and pressure etc...
Temperature Profile *** New
Topic list for pipeline temperature profile: exponential cooling or heating temperature profile from temperature data points or from pipeline and soil properties etc...
Dimensionless Numbers *** New
Topic list for dimensionless numbers: Reynolds number, Strouhal number, Prandtl number, Grashof number, Froude number, Weber number, Rayleigh number, Nusselt number, Richardson number, Euler number, Eckert number, Brinkman number, Sherman number, Schmidt number, Roshko number, Peclet number, Keulegan Carpenter number, Wave number, Mach number, roughness number etc...
Beam Bending ** Bug Fix
Topic list for beam bending: beam deflection, shear force, slope, bending moment and reactions. Point loads, distributed loads, angular displacement, lateral displacement and uniform temperature difference etc...
Flow Factors
Topic list for fluid flow factors: flow factor k, flow coefficients Av Cv and kv and disharge coefficient Cd etc...
Pipe Wall Thickness
Topic list for pipe wall thickness: thin wall and thick wall pipe wall thickness, hoop stress and test pressure etc...
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Trigonometry *** New
Topic list for trigonometry: trigonometric functions, hyperbolic functions, right angle triangles, Pythagoras theorem, sine rule, cosine rule, Herons formula etc...
DNV-OS-F101 * Updated
Topic list for DNV-OS-F101 offshore design code for submarine pipelines: wall thickness, hoop stress, test pressure, external collapse pressure, buckle arrestors, axial load, stress checks, ovality, ovalisation, safety class, carbon equivalent, transition length, allowable stress design, temperature derating etc...
DNV-RP-O501
Topic list for DNV-RP-O501 recommended practice for pipeline and piping erosion: erosion rate and mass rate from coupon erosion for straight pipe, bends, tees, and reducers etc...
Free DNV Downloads
Download the latest copies of DNV codes and standards directly from DNV (downloads are free).
Hobbs Buckling * Updated
Topic list for Hobbs buckling: global lateral and upheaval buckling model for unburied pipelines due to temperature and pressure. Lateral buckling modes 1 to 4, and upheaval buckling mode. Buckle zone load, buckle length, and buckle amplitude etc...
Ocean Waves ** Bug Fix
Topic list for ocean waves: Airy waves, Stokes waves, cnoidal waves, stream function waves, and ocean currents etc...
Weymouth Equation
Topic list for Weymouth Equation: pipeline pressure loss, diameter and flow rate etc... using the Weymouth equation.
Z Factor
Topic list for fluid Z factor or compressibility factor: virial equation, Peng Robinson equation, Soave equation, Redlich Kwong equation and mixtures etc...
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ASME B31.3 * Updated
Topic list for ASME B31.3 design code for process piping. Hoop stress, wall thickness, axial load, pipe properties, flexibility check, plastic pipe, steel pipe etc...
ASME B31.4 * Updated
Topic list for ASME B31.4 design code for liquid pipelines. Hoop stress, wall thickness, axial load, pipe properties, flexibility check, branch connections, onshore and offshore pipelines etc...
ASME B31.8 * Updated
Topic list for ASME B31.8 design code for gas pipelines. Hoop stress, wall thickness, axial load, pipe properties, flexibility check, branch connections, onshore and offshore pipelines etc...
ASME B31G
Topic list for ASME B31G design manual for pipeline corrosion defects. Assess defect acceptability, and reduced operating pressure etc...
API 14E
Topic list for API 14E design code for platform piping. Erosion velocity, flow velocity, mixture density and pipe sizing, Weymouth equation, Panhandle equation, Spitzglas equation and general equation etc...
API 5L
Topic list for API 5L specification for line pipe. Inside diameter, outside diameter, wall thickness, tolerances, and pipe lengths etc...
Euler Buckling
Topic list for Euler bar buckling of slender beams or columns. Buckling length or buckling load for pinned, fixed or fixed free columns etc...
Linear Regression
Topic list for linear regression: fit curves to data points; straight line, log, exponential and power law curves, and error terms etc...
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