I am working on combustion at high pressure. the model I want has operating pressure of 6 atm.
For the boundary conditions for inlet and outlet in ANSYS FLUENT, pressure is shown as supersonic/gauge pressure. Should I be inputting 6 atm or should i input 5 atm (since Pgauge = Pabs - Patm)
It is a simple question so I hope someone can clarify it to me