Auxiliary Power Unit Aircraft Ppt

Federal aviation admklistration novl9 m mr.

Auxiliary power unit aircraft ppt.

Auxiliary power units are usually found on large aircraft and naval ships as well as some large land vehicles. Most of the apus use centrifugal compressors. The apu is a compact self contained unit that provides compressed air for engine starting on the ground. 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.

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. Others can produce 28 v. 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. The safír 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.

This certification guarantees to manufacturers and operators that the. The primary purpose of an aircraft apu is to provide power to start the main engines. 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. In airliners apu s are usually located at the very rear of the aircraft below the tail.

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. Bolt assistant chair aviation rulemaking advisory committee pratt whitney 400 main street east hartford ct 06108 dear mr. The airborne auxiliary power is obtained from a gas turbine auxiliary power unit apu. Ils or loc runway 12l.

Loss of power on takeoff. Thank you for your september 30 1999 letter transmitting a draft technical standard order tso for gas turbine auxiliary power units. How an auxiliary power unit works. A free powerpoint ppt.