Keyword: Jet engines

Briefs: Aerospace
SiC fiber-reinforced SiC matrix composites are being evaluated for aircraft engine hot-section components.
Articles: Aerospace
Creep is an especially important consideration for engineers designing jet engine turbines.
Articles: Data Acquisition

A jet engine is the very definition of “mission-critical.” A critical failure could cause a serious accident that endangers hundreds of lives. To prevent this from happening,...

Articles: Aerospace

Airplanes, one of humanity's greatest inventions, evoke feelings of awe and amazement for most people, unless you live uncomfortably close to a major airport, in which case the feeling may become annoyance and irritation....

Application Briefs: Defense
Stratasys Direct Manufacturing
Valencia, CA
1-888-311-1017
www.stratasysdirect.com

Stratasys Direct Manufacturing, a subsidiary of Stratasys Ltd., was recently chosen by Airbus to produce 3D printed...

Articles: Aerospace

Sintered fiber metal composites are used in aircraft as an acoustic media within environmental ducting, inlet and exhaust systems. The material can be engineered to meet...

Application Briefs: Defense
Saft
Levallois-Peret, France
+33 1 58 63 16 00
www.saftbatteries.com

Saft was recently selected by Aero Vodochody Aerospace, a leading designer and manufacturer of military and civilian aircraft, for engine...

Articles: Defense

Aircraft manufacturers face increasingly stringent standards for reducing community noise. Conventional aircraft development methods based on engineering experience,...

Articles: Electronics & Computers

The military embedded computing landscape has been transformed from where it was 20 years ago — and that has been almost entirely enabled by the ability of prime contractors, systems...

Briefs: Materials

Extensive use of titanium alloys in critical industrial and military applications, such as compressor blades of jet engines and armor...

Application Briefs: Manufacturing & Prototyping
Wind River
Alameda, CA
800-545-9463
www.windriver.com

Israel Aerospace Industries (IAI), the largest government-owned defense and aerospace company in Israel, equipped its semi-autonomous...

Articles: Aerospace

There is definitely a degree of overlap in the regional and business jet sectors, both in terms of airframes and the engines that power them. At the high end of the market are aircraft such as the...

Articles: Aerospace

The global aerospace sector has always represented the cutting edge of practical technology advancement. When the first military jet engines emerged in the post-war 1940s it was clear that commercial...

Articles: Energy

Fuel is expensive for airlines. According to sources interviewed for this article, fuel accounts for 30 to 50% of operating costs, depending on the size of the aircraft. And fuel prices remain volatile.

Articles: Aerospace

Boeing and Airbus can hardly keep up with demand for 150-seat jets, and both have increased their own monthly production rates to well over 40 aircraft, stretching the capacity of the supply chain to the...

Articles: Defense

Talk of further consolidation within Europe’s dynamic aerospace sector has been on the lips of industry watchers for several years, but although the major European-based global players have not...

Articles: Defense

A turboelectric distributed propulsion (TeDP) system is a powertrain consisting of a turboshaft engine used solely to provide electrical power through a generator to electric motors driving...

Technology Update: Defense

Greater fuel efficiency and low emission requirements have grown into such an urgent imperative in aircraft design that it often overshadows an equally significant factor in air...

Articles: Electronics & Computers

Electronic controls are slowly transforming aircraft engines of all types, bringing improved fuel consumption, improved efficiency, and more power. As the functionality of control units for jet engines increases,...

Briefs: Physical Sciences

Turbines in aircraft turbojet engines are being subject to increasingly higher temperatures to improve fuel efficiency. High turbine efficiency requires the ability of turbine blades to...

Application Briefs: RF & Microwave Electronics

One of the greatest dangers to aircraft — playing a role in numerous destructive and fatal accidents around the world — comes in the form of droplets of water. In clean air, cloud...

Briefs: Physical Sciences

The supersonic combustion ramjet (scramjet) engine is one of the more promising high-speed flight propulsion technologies. One of the reasons for this is the simplicity of the engine design, having no...

Briefs: Physical Sciences

Supersonic combustion has been of interest for many years in order to support future Air Force hypersonic missions. The current generation of...

Briefs: Physical Sciences

A study of the aeroacoustics of a turbojet-engine test cell has been performed as one step in the development of a computational aeroacoustics capability (CAA) that could provide...

Articles: Aerospace
Significant challenges and advances in space propulsion have occurred over the past ten years. The end of the Cold War had significant impacts, both positive and negative. Operational systems now have to operate...
Briefs: Physical Sciences
Mixing and Combustion in Turbulent, High-Speed Flows

A collection of reports presents a detailed description of a research program that focused on fundamental investigations of mixing and combustion in turbulent subsonic and supersonic flows like those encountered in high-speed air-breathing aircraft engines. The research included close...

Briefs: Information Technology

Aconcept of sensor validation using nonlinear minor-component analysis (NLMCA) has been proposed as a theoretical basis of a sensor fault-detection-and isolation (FDI) module in a...

Briefs: Physical Sciences

A methodology for measuring skin friction (also known as wall shear) in complex flows typical of those inside supersonic-combustion ramjet (scramjet) engines has been developed....

Briefs: Physical Sciences

Asystem of scientific instrumentation and data-processing equipment has been assembled for research and education in turbulence, mixing, and chemical reactions (especially combustion) in...