.Modelica.Fluid.Pipes.BaseClasses.WallFriction.TestWallFrictionAndGravity.WallFriction .Modelica.Fluid.Pipes.BaseClasses.WallFriction.TestWallFrictionAndGravity.WallFrictionpackage WallFriction = Modelica.Fluid.Pipes.BaseClasses.WallFriction.QuadraticTurbulent;