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Microhidráulica Industrial

Graph

 

EXAMPLE:

For a 500 Lohm orifice flowing nitrogen at 750 psia exhausting to 75 psia, the flow can be easily calculated from the gas Lohm Law.

Next, determine the pressure ratio, P1/P2, which in this example is 750/75 = 10. Then, from the graph:

Pneumatic power = 2.5 HP

 

EXAMPLE:

For a 500 Lohm orifice flowing nitrogen at 750 psia exhausting to 75 psia, the flow can be easily calculated from the gas Lohm Law.

Next, determine the pressure ratio, P1/P2, which in this example is 750/75 = 10. Then, from the graph:

Pneumatic power = 2.5 HP