A Note from Jim: The stated objective of this story is to introduce you to some notions that may be of imme-diate help to circle track engines operating under rules that allow non-OEM parts. It is ...

Over time, and in this column, we have shared some of the important factors in how the delivery of air/fuel charges or raw air, as in the case of dry flow when fuel is admitted into the combustion ...

A groundbreaking simulation study led by researchers at the University of Illinois Urbana-Champaign has uncovered never-before-seen flow instabilities around hypersonic vehicles traveling at Mach 16, ...

Unlike civil aviation, where aircraft fly relatively steadily and generate lift at low angles of attack, military aircraft are often required to perform extreme manoeuvres. These manoeuvres can push ...

After the deadly 2017 fire season, there should be no question that the current wildland fire environment is a very complex and dynamic arena. There are numerous reasons for this complexity, some of ...