Pipeline flow rate
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Operating conditions: An air storage tank at 4.0 MPa, equipped with a DN150 valve on the tank body； Question: At what speed will the compressed air in the tank be released into the atmosphere if the valve is opened?
Since compressed air at 40 kilograms couldn’t be found, I made an approximate calculation, arriving at 400 m/s.
It’s not quite right either, as the resistance of the pipes isn’t taken into account. I don’t know how long your pipe is
The Bernoulli equation is derived from the conservation of mechanical energy, so it applies only to ideal fluids with negligible viscosity that are incompressible