Keyword: Conductivity

Articles: Electronics & Computers
Custom enclosure gaskets can meet a variety of mechanical shock and thermal requirements.
Articles: Aerospace

In August 2017, Qantas Airlines laid down the challenge to both Boeing and Airbus to offer an aircraft that can cross one of aviation's “last frontiers.” That “last frontier” was an...

Articles: Materials

Laser diodes and laser diode arrays (LDAs) are widely used throughout military systems, for sighting and range finding, but also at high power levels as offensive and defensive...

Articles: Materials

U.S. soldiers carry loads of equipment and protective gear that can weigh anywhere from 45 to 130 pounds. This is more than enough to quickly tire even the most well-conditioned personnel,...

Articles: Aerospace

The increasing demand for higher data rates in telecommunications and higher resolution in industrial systems is pushing the frequency of operation higher for the electronics that support them. Many of these systems...

Briefs: Photonics/Optics

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...

Articles: Aerospace

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...

Articles: Aerospace

It is both an exciting and a difficult time for the aerospace industry. While the sector is at its most buoyant with demand soaring in the commercial market, this is placing a strain...

Briefs: Sensors/Data Acquisition

Hazardous ordnance items are present along coastlines and in rivers and lakes in waters shallow enough to cause...

Briefs: Defense

YAG-based fiber lasers could offer efficient operation at power levels beyond those achievable in current state-of-the-art silica-based fiber...

Articles: Aerospace

Wide band gap (WBG) semiconductors are semiconductor materials that allow higher voltages, higher frequencies and operation at higher temperatures over...

Articles: Electronics & Computers

High-power laser diodes can generate a great deal of heat. Even for laser diodes operating with 70% or higher efficiency, a large amount of applied energy is converted to heat. Since the performance and...

Articles: Aerospace

The Boeing 787 Dreamliner is comprised of more than fifty percent carbon fiber reinforced plastic (CFRP) due to the material’s light weight and...

Briefs: Defense

Operating lasers at cryogenic temperatures gained maturity only in the mid-90s due mostly to the progress in transparent, laser-grade ceramics and...

Briefs: Defense

Stretchable electronic devices, including solar cells, light-emitting diodes, batteries, and textile supercapacitors, have been developed to retain...

Articles: Materials

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

Articles: Aerospace
Materials and Processes Enable New Possibilities for Unmanned Systems Command & Control

Unmanned vehicles are finding increasing usage in military engagements, not only for aerial applications but also...

Briefs: Aerospace

Currently, the two main computational tools used by the aerothermodynamics community to model hypersonic flows are Computational Fluid Dynamics (CFD), and the direct...

Articles: Aerospace

Pumped two-phase cooling provides a compact, low pumping power option for thermal management in high heat flux applications (300-500W/cm2). Compared to...

Articles: Test & Measurement
With the implementation of major aircraft structures fabricated from carbon fiber reinforced plastic materials, lightning protection has become a more complicated...
Briefs: Materials

As the semiconductor industry continually strives to increase the power density of single-chip packages, thermal management remains a critical challenge...

Briefs: Materials

Corrosion is a deforming process that costs the United States Department of Defense (DOD) approximately $23 billion annually and accounts for 23% of all DOD maintenance. Exhaustive...

Articles: Aerospace

Today, the cost and complexity of all platforms and systems in military and defense technologies are being challenged by the need for high functionality in smaller but less expensive...

Briefs: Test & Measurement

Laminated Carbon Fiber Reinforced Polymer (CFRP) composites are very effective in weight saving in aeronautical structural components. For these laminated...

Briefs: Manufacturing & Prototyping

Much work has been accomplished since the discovery that particles in a dielectric fluid experience forces when placed in an electric field, including mathematical...

Articles: Aerospace

There is no shortage of challenges facing thermal engineers in today’s military and aerospace applications, from the inherent problems caused by harsh environments to the challenges created by...

Briefs: Materials

The proposed research focuses on developing novel energy harvesting devices that can be integrated with loadbearing structures in an air vehicle (e.g. a UAV)....

Briefs: Sensors/Data Acquisition

An oscillating current flowing through a coil produces an oscillating magnetic field. When an electrically conducting material like a metal is brought...

Articles: Aerospace

As commercial and military electronics applications continue to “push the envelope” with higher powers and smaller packaging requirements, it is becoming more critical to...