Jet aircraft are all loud, but few are as loud as the F-18 fighter jet. Researchers from the University of Cincinnati have created a new engine nozzle designed for F-18 fighter planes. According to ...

Boeing has implemented Engine chevrons, or serrated chevron ducts, on some of its more recent aircraft designs, a feature that can reduce noise emissions and help aircraft abide by noise regulations.

The simple answer is that the company added chevrons because of the advantages they offered.

A variable area nozzle for airliner engine exhausts could reduce noise substantially, according to researchers at the UK's University of Cambridge. Currently used on military engines during ...

United Launch Alliance (ULA) and XCOR Aerospace announced today their successful hot-fire demonstrations of a lighter-weight, lower-cost approach to liquid-fueled rocket-engine vacuum nozzles. The new ...