The 737 APU - The Boeing 737 Technical Site
Back in 2003 Boeing conducted tests of a Solid Oxide Fuel Cell (SOFC) APU. The SOFC uses jet fuel as the reformer in the proton exchange membrane to give a 440kW APU that is 75% efficient compared to the conventional 40-45% efficient APUs.
Auxiliary power unit - Wikipedia
Honeywell has a 65% share of the mainliner APU market and is the sole supplier for the Airbus A350, the Boeing 777 and all single-aisles: the Boeing 737 MAX, Airbus A220 (formerly Bombardier CSeries), Comac C919, Irkut MC-21 and Airbus A320neo since Airbus eliminated the P&WC APS3200 option.
BOEING B737: AUXILLARY POWER UNIT (APU) - Blogger
2013年6月25日 · Boeing has started flight tests of a Solid Oxide Fuel Cell (SOFC) APU. The SOFC uses jet fuel as the reformer in the proton exchange membrane to give a 440kW APU that is 75% efficient compared to the conventional 40-45% efficient APU's. This would give a typical fuel saving of 1,360t for a 737 over a year.
131 Series Auxiliary Power Units - Honeywell Aerospace
Improvements to the 131-9B APU enable more efficient operation and new savings for operators of Boeing 737 aircraft. Honeywell has released a High Efficiency Mode (HEM) upgrade for the 131-9A Auxiliary Power Unit for Airbus Single Aisle aircrafts. Upgrade now!
ATA 24: Boeing 737 (Technical Notes) - AviationHunt
2024年12月16日 · The APU generator can power both AC transfer buses on the ground or in flight. Key principles of the 737 electrical system: AC power sources are not paralleled. Connecting a power source to a transfer bus automatically disconnects the existing source. The electrical power system is divided into three main categories: AC Power System; DC Power ...
B737 - APU System - studylib.net
Smartcockpit.com BOEING 737 SYSTEMS REVIEW Page 1 AUXILIARY POWER UNIT (APU) 1. GENERAL ¡ The auxiliary power unit (APU) is a self-contained gas turbine engine.
What is APU on Boeing 737? (Auxiliary Power Unit)
2023年7月24日 · The Auxiliary Power Unit (APU) is a vital component of the Boeing 737 aircraft. It functions as an independent power source, supplying electrical power and pneumatic energy during various flight phases. The APU enhances the operational flexibility, reliability, and efficiency of the aircraft.
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