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Centre of Aeronautics, Cranfield University, College Rd, Cranfield MK43 0AL, United Kingdom
*Corresponding author: Amir Zare Shahneh, Centre of Aeronautics, Cranfield University, College Rd, Cranfield MK43 0AL, United Kingdom
Submission: October 15, 2022;Published: October 19, 2022
The Electrical Environmental Control System (EECS) uses separate compressor and electric motor for compressed air instead of air extracting bleed air from engine. For a civilian aircraft carrying 200 passengers with temperature of 22 ℃, Relative Humidity (RH) of 15-18% and cruise altitude of 35,000 feet, the EECS is equipped with two independently electronically controlled three-wheel bootstrap Air Cooling Machine packs with high pressure water separator which are capable of supplying enough amount of fresh ventilation air of 1.3kg/s as per the design requirements. Cabin pressurisation systems are incorporated to maintain average cabin altitude of 5500 and not more than 7000ft. Air from the atmosphere is drawn by compressor operated by electronically controlled electrical motor. Before the air entering the main compressor, an inertial high pressure water separator is provided to separate the water or excess moisture. Water separator is by-passed once the aircraft attains higher altitude to avoid complete removal of moisture from air. The process promises a higher air quality for passengers and crew.
Keywords:Air conditioning pack; Pressurisation; ECS; High pressure water separator
Keywords: Pollution Disaster; Salt Water; Agricultural
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