Ansys Employee

While it is typical that most industrial flows will be turbulent, there are applications which may be laminar, e.g. low velocity through a small geometry with highly viscous fluid. A good starting point is to calculate the Reynolds number at inlet and outlet (based on the diameter and the nominal flowspeed). 

If you have limited exposure to the concepts of turbulence, there's some great Ansys Innovation Courses you can access on the Ansys Innovation Space, such as the Basics of Turbulent Flows.