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Manufacturing & Prototyping

Virtual and Physical Testing of Third-Generation High Strength Steel

Developing lightweight, stiff and crash-resistant vehicle body structures requires a balance between part geometry and material properties. High-strength materials...

Application Briefs
Defense

Unmanned Aerial Refueling Aircraft

General Atomics Aeronautical Systems, Inc.
Poway, CA
858-312-2810
www.ga-asi.com

General Atomics Aeronautical Systems, Inc. (GA-ASI) is using an integrated fuel tank structure to maximize...

Briefs
Defense

Low-Cost Ground Sensor Network for Intrusion Detection

Perimeter surveillance of forward operating locations, such as Forward Arming and Refueling Points (FARPs), is crucial to ensure the survivability of personnel and materiel. FARPs are...

Application Briefs
Defense

F-16 Upgrades

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

Using System Simulation to Manage Increasing Thermal Loads on Aircraft Fuel Systems

Today’s modern military fighter jets are like “a flying thermos bottle” according to Steve Iden, AFRL Invent Program Manager [1]. Many...

Briefs
Aerospace

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...

Articles
Test & Measurement

Simulating and Analyzing Flow for an Air-to-Air Refueling System

Long-range bombers may have missions halfway around the world. Fighter jets may have to stay in the air longer than their relatively small fuel tanks will allow, or may find...

Articles
Defense

Achieving Performance Advantages in Unmanned Systems

Unmanned Vehicle Systems (UVS) are reaching new levels of functionality and performance, and it’s not just for air vehicles either. Ground and underwater UVS programs are all taking...

Application Briefs
Aerospace

Avionics Upgrades

ARC® Avionics Corporation (ARC)
Kirkland, WA
425-576-5030
www.arcavionics.com/

ARC® Avionics Corporation (ARC), a wholly-owned business unit of AirSpeed® Engineering (ASE) and host MRO Commercial Jet,...

Articles
Aerospace

Designing a Power Generation System for a More-Electric Aircraft

It is theorized that systems and equipment for an All Electric Aircraft (AEA) will be developed 20 years hence as a More-Electric Aircraft (MEA) with no bleed system, which is...

Application Briefs
Aerospace

Fuel Flow Meters

Hoffer Flow Controls
Elizabeth City, NC
252-331-1997
www.hofferflow.com

Hoffer Flow Controls, Inc. recently received a new contract to supply 575 fuel flow meters as a part of the U.S. Navy’s H-53 heavy...

Application Briefs
Defense

Fusible-Core Polymer

Egmond Plastic
Alkmaar, The Netherlands
+31-72-5614644
www.egmondplastic.nl

Fuel housings for aerospace applications have very complex inner geometries which are not moldable using conventional...

Application Briefs
Manufacturing & Prototyping

Autonomous Aerial Refueling

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

Earlier this year, Northrop Grumman Corporation and the U.S. Navy successfully demonstrated fully autonomous aerial...

Briefs
Materials

Hydrolytic Stability of Polyurethane-Coated Fabrics Used for Collapsible Fuel Storage Containers

Collapsible fabric fuel tanks have provided critical tactical bulk petroleum storage for military operations for over 50 years. Beginning in the...

Technology Update
Defense

Tata Technologies Researchers Use CFD to Predict Cavitation in Liquid Ring Pumps

Liquid ring pumps are used in aircraft fuel systems in conjunction with main impeller pumps. These pumps are used for priming the pump system as well as to...

Briefs
Physical Sciences

Testing Particle Counters for Detection of Fuel Contamination

Fuel quality assurance is accomplished by conducting periodic fuel sampling for the condition monitoring of aviation fuel by detecting, measuring, and reporting the levels of...

Articles
Aerospace

More Electric, Integrated Fuel Systems

Global warming and environmental friendliness considerations have recently been key for multiple global industries. In the commercial aviation industry, reduction of aircraft emissions, including...

Articles
Aerospace

System Interconnects for Today’s Military Vehicles

Continuous improvements in on-board systems are required for military vehicles, because the types of threats they face are always changing. Enemies keep adapting their high-tech...

Articles
RF & Microwave Electronics

A Fundamental Key to Next-Generation Directed-Energy Systems

Imagine an explosive ordnance disposal (EOD) unit on a routine scouting patrol deep in the notorious “Triangle of Death” south of Baghdad, where marines, sailors, and soldiers...

Briefs
Physical Sciences

Portable, Rapid-Test Fuel Tank Leak Detection System

In 1988, the EPA issued Underground Storage Tank (UST) regulations for fuel storage in order to implement monthly monitoring and annual tightness testing. Monthly monitoring requires that...

Briefs
Physical Sciences

Performance and Operability of a Dual-Cavity Flame Holder in a Supersonic Combustor

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

Briefs
Mechanical & Fluid Systems

Sensing for Controls and Propulsion Health Management in Turbine Engines

Advances in engine performance and reliability require sensor components that operate reliably under extreme engine operating conditions (e.g., takeoff, max thrust) and...

Briefs
Materials

Integrated Aircraft Oxygen Sensor

Shortly after its takeoff from New York City on July 17, 1996, Trans World Airlines (TWA) Flight 800 exploded over the Atlantic Ocean and crashed. The accident investigation board determined that the center wing fuel tank caught fire and exploded. Although the ignition source remains unknown, it was...

Briefs
Electronics & Computers

F-35 Antenna Measurement Program

Engineers are conducting sophisticated performance testing of F-35 Joint Strike Fighter (JSF) antennas at the AFRL Newport Research Facility, New York. Through an agreement with the F-35 Joint Program Office,...