Auxiliary Power Unit Aircraft Ppt
Auxiliary power units are usually found on large aircraft and naval ships as well as some large land vehicles.
Auxiliary power unit aircraft ppt. Most of the apus use centrifugal compressors. How an auxiliary power unit works. Aircraft apus generally produce 115 v alternating current ac at 400 hz rather than 50 60 hz in mains supply to run the electrical systems of the aircraft. Thank you for your september 30 1999 letter transmitting a draft technical standard order tso for gas turbine auxiliary power units.
Ils or loc runway 12l. An auxiliary power unit apu is a device on a vehicle that provides energy for functions other than propulsion they are commonly found on large aircraft and naval ships as well as some large land vehicles. Others can produce 28 v. In this report we covers the present scenario with the base year being 2017 and the growth prospects of global aerospace and military auxiliary power unit apu market for 2018 2023 an apu is used when an aircraft is on the ground to provide ground power hydraulics air conditioning and air to start engines.
The unit provides compressed air for air conditioning while the airplane is on the ground and at limited altitude in flight. With more than 95 000 apus produced and more than 36 000 in service today honeywell has a large apu installed base and is poised for further growth. A free powerpoint ppt. Loss of power on takeoff.
In airliners apu s are usually located at the very rear of the aircraft below the tail. The auxilary power unit safir 5k g z8 can be used in civil aviation applications all around the world. The safĂr 5k g mis auxiliary power unit is designed to supply air for starting the main engines for use in air conditioning systems and to drive the dc starter generator. The apu is a compact self contained unit that provides compressed air for engine starting on the ground.
The airborne auxiliary power is obtained from a gas turbine auxiliary power unit apu. This certification guarantees to manufacturers and operators that the. Federal aviation admklistration novl9 m mr. Auxiliary power units apu p wc is an industry leader in the design manufacture and maintenance of apus a position built from its foundation as a major supplier of gas turbine engines for a host of turboprop turbofan and turboshaft aircraft.