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Air is very frequently used fluid for many applications in the industry.
Air flow calculator can be applied for air flow through round 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 regime. 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 equation for calculation
of pressure difference between two points of one stream line, including
pressure losses due to friction and minor losses (like losses in bends,
valves etc.). The pressure difference due to change of height is not
included in this version of calculator. Also this calculator can be used
for flow through pipe calculation when pressure difference is known.
Theory used for compressible air flow calculation
Laminar and turbulent flow in pipe
Pressure drop equation in isothermal flow
Reynolds number
Friction factor
Resistance coefficient
Flow mean velocity
note: calculator requires Java.
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