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Air flow calculator

Related calculators: Gas flow; Gas discharge

Pipe flow calculator features

  • Pack of sixteen pipe flow calculators in one application
  • Productive tool for every day flow calculations
  • Used by thousands of engineers, students, professors and other professionals every day
  • Multiple calculation scenarios for each calculator
  • Easy switch between metric and imperial units
  • Copy and save calculation results
  • Every calculator is backed with used theory and equations
  • Always use the latest version with automatic update
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Requirements

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Java Runtime Environment – JRE version 1.8+
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Free subscription provided until 31st July 2016
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Calculators for download in one pack, Java required.
For desktop/laptop users (Windows, MacOS, Linux)

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Air is used for many applications in the industry. Compressible air flow and pressure drop calculator can be used for air flow through round closed pipe. Pressure drop or flow rate can be calculated, as temperature is considered to be constant.

Compressible air flow calculator can be used for both laminar and turbulent flow. It can calculate pressure drop or flow rate through a pipe including friction losses and local pressure losses calculation.

Compressible air flow calculation is based on the pressure drop equation in isothermal flow. Pressure losses calculation due to friction are using friction factor values and pressure losses due to local resistances like fittings and valves are using resistance coefficient K values. Flow mean velocity for known flow rate and pipe diameter is also used in calculator. Values of Reynolds number and flow regime - laminar or turbulent are also presented. Pressure difference due to change of height is not included in this version of calculator.

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