Selection of pre-conditioned air unit and energy saving significance

According to the pre-conditioned air unit application and existing problems to the airport design in recent years, analyses the type and scope of this air conditioning. Proposes selection methods by aircraft manual, aircraft load calculation, and meteorological environment division, and it provides a variety of reference method. Illustrates that after using the pre-conditioned air unit, the plane auxiliary engine was switched off, the aviation fuel was saved and the aircraft exhaust and noise emissions were reduced.