[DanielH]

Problem: You have a thickened (non-Newtonian) fluid passing through a water bottle top, where you know the initial pressure is vacuum (0kpa) and the a lab results gives you a flow rate of say 0.000779kg/s and the static pressure drop was seen as 10kPa with laminar flow. (assuming model and mesh is done and fluent set up is only needed)

General:Pressure based, Absolute and steady
Models: Only viscous (Laminar)
Material: fluid is almost like water, copy water poperties and change viscosity to non-Newtonian power law and add parameters

Cell Zone conditions: Change it to you non-Newtonian fluid
Boundary conditions:Set operation conditions to 0pa
Define inlet as Mass-flow-inlet at 0.000779kg/s
Define Outlet and Outflow
Define interior and walls
Solution methods: Use Simple
Solution controls: Change nothing
Solution Initialization: Hybrid with 10 steps, initialize
Run Calculation: run with 250 iterations and what for convergence

Wala take results???? Is this correct or have I missed something