:orphan: .. _primary_fluid_flow_direction: primary_fluid_flow_direction ============================ .. autoclass:: ansys.fluent.core.generated.solver.settings_271.primary_fluid_flow_direction :show-inheritance: .. rubric:: Included in: ================================ =========================== Parent Summary ================================ =========================== :ref:`macro_model ` Macro heat exchanger model. ================================ ===========================