How can people reconcile a seemingly boundless love affair with aviation, with the need to reduce greenhouse and carbon (CO2e) emissions?
Understanding the stresses on the aircraft market is a good way to see why greening air transport is so important.
Aviation stakeholders play an important role.
Greening aviation starts with the commercial aircraft trading market.
We are asset managers advising on the transition from fossil fuel to sustainable aviation fuel (SAF), powering gas turbine engines. We believe that renewable, SAF fuels will be mass produced, be price-competitive, offering attractive DOCs. Aircraft traders need business solutions proposed by Shannon Aero.
If the discussion is limited to the air transportation industry, the size of the problem will be understated because the gloal fleet of all types is ~420,000 aircraft. If limited to commercial aircraft only, then the size of the problem is ~30,000 aircraft, that includes ~70,000 engines and ~30,000 APUs. We begin the process by understanding what must be included and what can be excluded from the inventory of engines causing air pollution. The engine sucks clean air in at the front with a fan and ejects greenhouse gasses through the back where it mixes with air. NASA describes the job of the jet engines as a machine that moves the aircraft forward in the air with a great force that is produced by a tremendous thrust. This force makes the aircraft fly extremely fast, close to the speed of sound. All jet engines, which are also called gas turbines, work on the same principle. The main components are the fan, compressor, combustion chamber, turbine, all connected to a centerline shaft, exhaust and starter. The engine sucks clean air in at the front with a fan. The air flows at high speed through the blades in the compressor to increase pressure. The compressed air is then fed into a combustion chamber, sprayed with fuel, and set alight by an electric spark. The heat in the chamber expands the gases which are expelled through a turbine to increase the speed of the fan at the front end. As well as the air going through the core of the engine, air also goes around the core. The gasses that go through the core gets very hot. The air that goes over the core is cold. The cold air mixes with the hot gasses at the engine exhaust. The pollution arises at this point because the gasses expelled through the exhaust are the greenhouse gasses everyone is concerned about.