Additive Manufacturing

Marotta’s patented approach starts with a 3D CAD model of choice that can meet varying ranges of end application specifications.

Pulsed Microwave Plasma Instrumentation for Investigation of Plasma-Tuned Multiphase Combustion

Strategies to control solid rocket propellant regression rate require a robust throttling technique applicable to high performance propellant...

Using Electromagnetic Brakes to Keep Thrust Reversers IN PLACE

Applying reverse thrust redirecting engine power to oppose the direction of travel is a standard technique for decelerating aircraft after touchdown. The approach saves wear on...

Diesel Frigate Engines

Fairbanks Morse
Beloit, WI
1-800-356-6955
www.fairbanksmorse.com

Fairbanks Morse - an EnPro Industries company - has been awarded a contract to deliver eight FM | Colt-Pielstick diesel engines to power...

Torpedo Transducer Array/Nose Shell Assembly

Northrop Grumman Corporation
Falls Church, VA
703-280-2900
www.northropgrumman.com

The U.S. Navy recently awarded Northrop Grumman Corporation a $9.6 million contract, with...

Erbium Doped GaN Lasers by Optical Pumping

The main objective of this research was to construct an optical pump system that would allow the study of Er:GaN materials under 980 nm resonant excitation to be carried out. The results obtained...

Using Heat Pipes to Cool Embedded Computers

Heat pipes are a well-known thermal management solution used in computing applications. Nearly all laptop computers contain some number of heat pipes to effectively remove heat from heat generating...

Combustion Characteristics of Hydrocarbon Droplets Induced by Photoignition of Aluminum Nanoparticles

In the study of combustion characteristics of liquid rocket fuels, it is customary to either study the combustion of liquid fuel droplets...

Powering On

The steady rise in demand for high-thrust, big-fan engines for new wide-body commercial airplanes continues to generate massive business, as the 2015 half-year results from Rolls-Royce demonstrated. But at the same time,...

Fanjet Evolution — the Next Steps

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...

F-35 Gets Cold Treatment in Step Toward IOC Remedy

Since it first became an active cold-weather testing facility in 1947, the 96th Test Wing's McKinley Climatic Laboratory at Eglin Air Force Base, FL, there have been a wide variety of...

Advancing the Use of Beryllium Bearing Materials for Unmanned Platforms

Aerospace and defense platforms are often regarded as the earliest adopters of new materials and processes technologies. Materials test programs provide validations of...

Airborne Antenna Considerations for C-Band Telemetry Systems

It is fairly well known within the aerospace community that telemetry is moving from the traditional L-band and S-band frequency ranges up to C-band. It is widely understood that...

Manufacturing Robotic Tools for Piping Inspection and Repair

Fleet piping systems are complex, space-constrained systems that are difficult to inspect using standard external inspection techniques. Pipe lagging, as well as limited space,...

Simulating Lightweight Vehicles Operating on Discrete Terrain

Engineers increasingly rely on simulation to augment and, in some cases, replace costly and time consuming experimental work. However, current simulation capabilities are...

Portable Data Recorder for Measuring Sand Grain Fracture After Blasts

Abullet cannot penetrate through a sandbag while an arrow can, so understanding the behavior of granular materials such as sand and its energy absorption in a blast is...

Designing Firearm Recoil Springs

Compression springs are a critical component of firearm performance and durability. Making a recoil compression spring perform properly in the extremely limited space available in most firearms, and ensuring...

Rotating Detonation-Wave Engines

All Navy aircraft and missiles use gasturbine engines for propulsion. Many ships are also dependent on gasturbine engines to generate both propulsive power and electricity. These engines are fundamentally...

Analysis of Mine Impulse Data Using Stereo-Digital Image Correlation

Improvised explosive devices (IEDs) and other traditional under-body blast weapons are a significant threat to military ground vehicle systems. Engineers and scientists...

Unmanned Aerial Vehicle Engine

Schiebel Technology, Inc.
Manassas, VA
(540) 351-1736
www.schiebel.net

Schiebel recently conducted the successful first flight of a heavy-fuel-powered CAMCOPTER® S-100 UAS (Unmanned Air...

Thin Cavity Cooling of Electronic Circuitry

Anovel tested technology for cooling electronic circuitry is also useful in many other industries. The method is called “Thin Cavity Fluidic Heat Exchanger”(TCFHE). Technology details can be...

Rocket Launcher Tubes Protect Troops

The desire to get home safely dwells in the back of the mind of every soldier. The battlefield provides enough mortal dangers without soldiers having to wonder whether or not the weapons they carry could...

Test Systems Simulate Several Impact Scenarios

Lansmont Corp. engineers have developed the active impact surface design technology for several test machines currently installed at the Army Research Laboratory in Adelphi, Maryland and the Air...

Variable-Thrust, Multiple-Start Hybrid Motor Solutions

Interceptor boost propulsion has traditionally been dominated by solid rocket systems due to their responsiveness and high mass fraction capabilities. However, increased costs of...

Manifold-Based Image Understanding

The rapid growth of sensing and imaging technology, combined with the need for near-real-time action based on the sensed data, has rendered automatic processing, understanding, and decision-making vital to...

Stability Analysis of Distributed Engine Control Systems

Full Authority Digital Engine Control (FADEC), based on a centralized architecture framework, is being widely used for gas turbine engine control. However, current FADEC is not able to...