INTERNAL COMBUSTION ENGINE TRANSIENT RESPONSE

Apparatuses, systems and methods are disclosed including auxiliary system for controlling an enthalpy of air to a turbine of a turbocharger of an internal combustion engine is disclosed. The auxiliary system optionally including: a motive air device configured to receive at least some of the air and produce an airflow of the at least some of the air; an auxiliary heat source in selective fluid communication with the motive air device and configured to heat the airflow; and a controller configured to control operation of the auxiliary heat source and control the airflow to the turbine based upon at least one of a temperature, a pressure and a mass flow rate of the air upstream of or downstream from the turbine.