Fluid Flow

PIPESIZE

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PIPESIZE is designed to help you quickly and accurately perform line size calculations for liquid or gas flow. Contains a nice database of fluid properties along with the ability to add your own fluids. Perform calculations based on the most economical pipe diameter, a specified diameter, or a target velocity. Easily select the number of fittings and valves for an accurate friction coefficient. Includes selection of insulations. Add your own pipe or insulation data as well. Printable data sheets included. Both English and Metric units available.

Single Phase Gas Pipeline Flow

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Calculates gas flow in underground pipeline per API 14E using the following:

American Gas Assocciate (AGA) Method

Weymouth Equation

Panhandle A

Panhandle B

Calculation uses a logarithmic equation for inlet, outlet, and soil temperature rather than an arithmetic average.

Gas viscosity calculation is based on gas molecular weight, average pipeline pressure, and average pipeline temperature using the Lee, Gonzalez & Eakin correlation.

Goal seek can be used to calculate the pressure loss in the pipeline.
Pipe erosion calculation included.
Include both SI and Imperial units.

Standard Pipe Properties Tool

If you have a calculation that you'd like to build that includes the need to input pipe sizes, build your calculation around this handy tool. Design includes pull down boxes that read values from the standard pipe tables and returns the pipe properties. By adding sheets to this workbook, you can begin building your own calculation easily.

Vent Manifold

Calculate the pressure profile in a vent manifold or flare system. Combine up to 15 sources, each specified in terms of relieving rate (mass of vapor per hour), temperature, molecular weight, and viscosity. You can also enter the maximum permissible back pressure at the relieving source. Includes the ability to estimate the physical properties of combined vent streams. Vent manifold will calculate the pressure at each node in the system and relay any observed errors such as excessive pressure or sonic velocity to the user. Output is formatted onto a printable datasheet. Includes both English and Metric units.


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Single Stage Centrifugal Water Pump

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Calculate centrifugal pump performance within a piping system from the suction reservoir all the way to the delivery point and match it to both the system curve and pump manufacturers performance curve. Calculate the NPSH required both with and without the velocity head to suit the manufacturers pump curves. Calculate pump curves at alterative speeds. A clear pump, piping and reservoir schematic helps ensure correct data entry and all formulas used are presented on the worksheet. The calculation uses SI metric units.

Fluid Flow in Pipes

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Use this calculation to accurately determine the pressure drop in piping for both liquids and gases. Calculates the downstream process conditions for any single run of pipe, fittings and valves for a given fluid and flow rate. Alternatively determine the flow rate for a given downstream pressure or the flow and pressure for a given velocity or the downstream surface elevation for a given downstream pressure. Pipe sizes, surface finishes, and Crane TP410 pipe and fittings are all provided for user selection to make up the pipe run which can include up of up to four different line sizes. The calculation uses SI metric units.

Compressible Flow Calculators

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With this two spreadsheet set, quickly find the compressible flow through a series of pipes and fittings based on a known pressure loss or calculate the expected pressure loss based on a known flow. These sheets contains pipe and fitting data, physical properties, steam tables, and programmed tables from Crane Technical Paper Number 410.Includes both English and Metric units of measure

Determine Liquid Flow from Pressure Loss

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Calculate the liquid flow through a line if the pressure loss between two points is known. Utilizes the Fanning relationship and includes resistances such as fittings, valves, line size changes, and elevation changes. Also includes material data for carbon steel, copper, cast iron, glass, kynar, PVC, and stainless steel. Contains physical properties for common fluids, piping friction data, and common line sizes for various materials. Calculation reports both mass and volumetric flow. Includes both English and Metric units of measure

Determine Pressure Loss from Known Flow

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Calculate the pressure loss through a line if the flow is known. Utilizes the Fanning relationship and includes resistances such as fittings, valves, line size changes, and elevation changes. Also includes material data for carbon steel, copper, cast iron, glass, kynar, PVC, and stainless steel. Contains physical properties for common fluids, piping friction data, and common line sizes for various materials. Includes both English and Metric units of measure

Pressure Drop in Ducts

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Calculate the pressure loss through both rectangular and circular ducts for air and other gases. Includes a standard pipe table and frictional loss calculations for common items such as smooth 90°, 5-piece 90°, 3-piece 90°, and others. Method used is as described in the Carrier System Design Manual. Includes both English and Metric units of measure