Great.. thanks chaps. I’m a little way out of the rabbit hole now.
Yes, looking into this it is choked – and when not should not affect what I am trying to achieve I dont think. I will time step this accordingly on a spreadsheet like you say.. I’m going to assume this could get more complex...
I am trying to establish the flow rate and time to discharge a compressed gas from a small pressure vessel from a small orifice/valve (3mm dia). It’s not for the want of trying. And I have been researching for some time and only came across a relatively complex formula to work out the initial...