Abstract
The growth in air transportation volume has important global environmental impacts associated with the potential for climate change. Jet aircraft emissions are deposited directly into the upper atmosphere and some of them have a greater warming effect than gases emitted closer to the surface. One of the key issues that is addressed in virtually every aero gas turbine application is emissions, particularly Nox emissions. There are different technologies for nitrogen oxide emission control in aircraft gas turbines. In this paper, we have briefly reviewed the technologies with the greatest potential to reduce Nox emissions in aero engines.
Highlights
With more and more commercial aircrafts traveling each day to different parts of the world, the air pollution caused by them is on the rise
Nitrogen oxide (Nox) emissions have been difficult to control, and nitrogen oxide (Nox) is generally emitted at levels higher than for any other pollutant Much of this effort has focused on quantifying Nox emissions [1, 2, 3]
Reducing Nox was the focus of the research due to ozone destruction in the stratosphere and the emission of Nox from aero engines has been progressively regulated because of increasing concerns about the environment
Summary
With more and more commercial aircrafts traveling each day to different parts of the world, the air pollution caused by them is on the rise. Nitrogen oxide (Nox) emissions have been difficult to control, and Nox is generally emitted at levels higher than for any other pollutant Much of this effort has focused on quantifying Nox emissions [1, 2, 3]. Aircraft emission products may contribute to the occurrence of acid rain and ground level smog. These effects may cause serious environmental problems in the foreseeable future [6]. All manufacturers are working on advanced emissions combustion technologies alongside work to deliver improved fuel efficiency mainly though driving for higher overall engine pressure ratios. Most effective combustion technologies for reducing Nox emissions in aero gas turbines. A short description of the different technologies is presented in this study
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