Aurora Flight Sciences is quietly turning a radical research sketch into metal, bolting on 30 ft wings that will help prove ...

DARPA’s X-65 Control of Revolutionary Aircraft with Novel Effectors, or CRANE, is being built to test an approach that removes a long list of familiar aircraft parts. The program wants to understand ...

It'll fly instead using Active Flow Control (AFC), using a series of nozzle arrays along the wings connected to a pressurized air system, capable of blowing controlled bursts of air that can directly ...

Jordan, Knauff cited a variety of reasons for its belief that global consolidation will continue in all three categories. Corporations continue to build cash reserves for acquisitions and recognize ...

Compressible fluid flow through control valves will inevitably cause some form of flow-induced vibration in the fluid system. Identifying the type and cause of the vibration requires detective work.

Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...