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The location of the air conditioning (AC) PACK(s) depends on the design of the aircraft. In some designs, they are installed in the wing-to-body fairing between the two wings beneath the fuselage. On other aircraft (Douglas Aircraft DC-9 Series) the AC PACKs are located in the tail.
The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]
All modern air conditioning systems, even small window package units, are equipped with internal air filters. [citation needed] These are generally of a lightweight gauze-like material, and must be replaced or washed as conditions warrant. For example, a building in a high dust environment, or a home with furry pets, will need to have the ...
In the aerospace sector: flight control systems, landing gears, integrated air management systems, bleed air systems, wing anti ice etc. In the transportation sector: air conditioning systems, actuation and power supply systems for all kind of rail cars: Revenue: €1.4 billion in 2019 (€1.3bn in 2016) [1]
There are more than 8,500 TFE engines in service on business aircraft. The TPE331 turbine engines were first developed in the 1960s, and have been installed in small aircraft conversions since the mid-1990s. [35] Honeywell's ATF3 turbofan engine is installed in Dassault Falcon 20 aircraft used by the US Coast Guard and the French Navy. [29]
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Normally an aircraft has two or three of these ACM. Each ACM and its components are often referred as an air conditioning pack. The air cycle cooling process uses air instead of a phase changing material such as Freon in the gas cycle. No condensation or evaporation of a refrigerant is involved, and the cooled air output from the process is ...
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