Aircraft Propulsion

Re-engining a legend

By Jan Tegler

January 31, 2019

The U.S. Air Force’s strategy for ensuring the nuclear deterrence and conventional firepower of its bomber forces through the 2050s and beyond will require installing commercial jet engines onto its B-52s. Jan Tegler spoke to the Air Force and industry managers who must pull off this re-engining on time and on budget.

High gear

By Keith Button

September 27, 2018

Early troubles with Pratt & Whitney’s geared turbofan jet engines have not slowed the aviation industry’s growing enthusiasm for this fuel-saving technology.

Containing a blade-out

By Keith Button

July 1, 2018

NASA has long been working with the FAA and the aviation industry to improve technologies for containing broken fan blades and preventing damage like that which killed a Southwest Airlines passenger. Keith Button looks at a research project that could help prevent future tragedies.

Solving engine icing

By Keith Button

August 31, 2017

One hurdle has been the inability to accurately model partially melted ice crystals

Game changer

By Henry Canaday

May 31, 2017

DARPA’s plans for a demonstrator UAS for the Navy

Always fascinated by engineering

By Debra Werner

February 7, 2017

Nadia Zerelli, 33, Senior Manager, Heat Transfer and Secondary Air System Methods, Computational Fluid Dynamics and Coupling at MTU Aero Engines