Summary The geared turbofan (GTF) engine boosts operational efficiency & sustainability due to optimal fan speeds. The GTF-powered aircraft offers significant fuel savings, reduced CO2 emissions, and a smaller noise footprint. The GTF Advantage configuration provides even higher thrust, 1% additional fuel reduction, and compatibility with SAF.
One of the engine options for the Airbus A320neo family, the Pratt & Whitney GTF engine, is under tremendous scrutiny as the manufacturer and its partners work through inspections of around 1,200 of the latest-generation engines. The Maintenance Repair and Overhaul (MRO) shops worldwide are working hard to reduce the turnaround times for the GTF engine. Irrespective of the ongoing issues, the GTF engine is one of the most efficient in its class.
Moreover, the engines' sustainability benefits have made them popular among global carriers. This article explores some aspects of the GTF engine that make it environmentally friendly. The Geared Turbofan (GTF) In a traditional dual-spool turbofan, the low-pressure shaft connects the fan, low-pressure (LP) compressor, and the LP turbine .
A second high-pressure (HP) shaft connects the HP compressor and the HP turbine. The two shafts run concentrically at different speeds, increasing the engine's overall efficiency. The LP system of a typical narrowbody engine runs at 3,000 rpm, while the HP shaft runs at approximately 15,000 rpm.
In a geared turbofan ( GTF ) design, a reduction gearbox is instal.