by using orifice plate we will read Normal cubic meter per hour of a gas. squre root can be done in field or DCS.

what is temperature pressure flow rate compensation formula for correcting gas flow rate?

what kinds of flow rate instruments need compensator?

please introduce formula and application condition.

 

For temperature and pressure compensation i need a procedure and formula. I saw VINODH answer in this topic but as you can see this formula apply for Q (flow) and Q will be obtained from square root of delta P. this is in distinction with your answer.

I think we can use compensation formula before and also after square root but applied formula will be different. if we use mentioned formula before squre root of delta P then mentioned compensation formula should not have squre root itself.

Q = Qin*sq. root (compensation formula) or
dP = dPin*(compensation formula)

so i think it is possible to use compensation formula before and after square root of delta P.

another question: is it possible to use compensation formula for other types of flow meters?