def METHOD_NAME(build_turbine):
    """Initialize a turbine model"""
    m = build_turbine
    # set inlet
    m.fs.turb.inlet.enth_mol[0].value = 70000
    m.fs.turb.inlet.flow_mol[0].value = 15000
    m.fs.turb.inlet.pressure[0].value = 8e6
    m.fs.turb.efficiency_isentropic.fix(0.8)
    m.fs.turb.ratioP.fix(0.7)
    m.fs.turb.initialize(outlvl=4)
    eq_cons = activated_equalities_generator(m)
    for c in eq_cons:
        assert abs(c.body() - c.lower) < 1e-4
    assert degrees_of_freedom(m) == 3  # inlet was't fixed and still shouldn't be