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Steam Volumetric flow conversion to Steam mass flow conversion

I have a steam flow tag which is giving me volumetric flow but i want to convert it  to mass flow using deltav steam property function blocks.

Can any one help me on this i dont have much knowledge about the process please also let me know which are the other inputs i have to ask for.

1 Reply

  • It's been a while since I used them.  I think they are described in BOL.  You should only need pressure for saturated steam and temperature and pressure for superheated steam.  I think there is an implicit assumption that there is no free water.  If it really is 2 phase, you may have to know the fraction water and fraction vapor going through the meter.