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Defense

Ensuring the Compliance of Avionics Software with DO-178C

Given the needs to meet the most stringent requirements for reliability, safety, and security resulting in lengthy software development schedules, aerospace and defense projects have...

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Articles
Photonics/Optics

Microwave Photonic Notch Filter

Interference mitigation is crucial in modern radio frequency (RF) communications systems with dynamically changing operating frequencies, such as cognitive radios, modern military radar, and electronic warfare...

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Briefs
Mechanical & Fluid Systems

Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer

Structural analysis of solid rocket motors is challenging for several reasons, but the most important of these is the complex behavior of the propellant. The...

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Briefs
Defense

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 or...

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Briefs
Defense

Vapor Pressure Data and Analysis for Selected Organophosphorous Compounds: DIBMP, DCMP, IMMP, IMPA, EMPA, and MPFA

Knowledge of the physical properties of materials is critical for understanding their behavior in the environment as well as in...

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Briefs
Defense

Coupling of Coastal Wave Transformation and Computational Fluid Dynamics Models for Seakeeping Analysis

This research focused on depth-integrated modeling of coastal wave and surf-zone processes in support of computational fluid dynamics (CFD) simulation of ship motions. There were two components of the project. The first was the development of a...

Briefs
Aerospace

Assessment of Non-Traditional Isotopic Ratios by Mass Spectrometry for Analysis of Nuclear Activities

The objective of this work is to identify isotopic ratios suitable for analysis via mass spectrometry that distinguish between commercial...

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Articles
Aerospace

The Rapid Rise of Beryllium-Aluminum Alloys in Aerospace

Enhanced performance operating envelopes for aerospace platforms continue to challenge industry limits. Aerospace platform operators demand extreme performance in harsh environments from...

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Products
Defense

New Products

Rugged Data Recorders DTS’ (Seal Beach, CA) ultra-small SLICE MICRO and NANO data recorders are rugged and designed to embed directly in the test article – even small drones. The NANO has a footprint of just 26 × 31 mm....

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Articles
Defense

Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction

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

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INSIDER
Imaging

Flight Deck “Ouija Boards” Go Digital

To make the jobs of aircraft handlers easier, the Navy developed the Deployable Ship Integration Multi-touch System (DSIMS), a mobile software package that features a digital touchscreen image of a...

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INSIDER
Aerospace

Reconfigurable Radio Tracks Flights Worldwide

When Malaysia Air Flight 370 disappeared somewhere over the Indian Ocean in 2014, it had flown far beyond radar range. Under a new space-based air tracking system, no plane would ever be off the...

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News
Aerospace

Survey: Aerospace Engineers Seek Clarity on Cadmium

A survey of more than two hundred aerospace manufacturing professionals demonstrated a lack of understanding about cadmium, a highly toxic metal that is still being used frequently in the U.S. aerospace industry.

INSIDER
Aerospace

NASA Flight-Tests Flexible, Twistable Wing Flaps

NASA has conducted a series of flights investigating the benefits of twistable, flexible wing flaps to improve flight efficiency. The Adaptive Compliant Trailing Edge (ACTE II) flights...

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Application Briefs
Aerospace

Leopard 2 Tank Retrofits

Jenoptik Defense & Civil Systems Wedel, Germany +49 3641 65-2255 As part of a Polish modernization program for the Leopard 2 tank, Jenoptik was recently awarded contracts to supply 126 17-kilowatt auxiliary power...

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Application Briefs
Defense

Mobile Weapons Stations

KONGSBERG Protech Systems (KPS) Johnstown, PA 814-269-5700 KONGSBERG Protech Systems (KPS), one of the world's leading suppliers of Remote Weapon Stations (RWS) recently unveiled their latest system developments at the...

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Application Briefs
Defense

Aircraft Rescue Fire Fighting Vehicles (ARFF)

Oshkosh Defense, LLC Oshkosh, WI 920-235-9150 Oshkosh Defense, LLC, an Oshkosh Corporation company, announced that the U.S. Marine Corps has received Milestone C approval to begin Full Rate...

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Application Briefs
Aerospace

Rugged Smart Displays

General Micro Systems, Inc. Rancho Cucamonga, CA 800-307-4863 General Micro Systems, Inc.'s SD19 rugged smart display is being deployed for use in modernizing select U.S. Navy ships. This smart, all-in-one display will be...

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Application Briefs
Aerospace

Industrial-Scale Metal 3D Printer

Sciaky, Inc. Chicago, IL 877-450-2518 Sciaky, Inc., a subsidiary of Phillips Service Industries, Inc. (PSI), announced recently that Airbus was scheduled to take delivery of a state-of-the-art Electron Beam...

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Articles
Materials

Verifying Structural Integrity of 3D Metal-Printed Parts

Interest in 3D printing is remaking the manufacturing landscape. Consulting firm IDC says global spending on 3D printers, both desktop and industrial, hit about $11 billion in 2015 and...

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Products
Manufacturing & Prototyping

New Products & Services

On-Line UPS Family Falcon Electric, Inc., (Irwindale, CA) announced the addition of tower models to its on-line rackmount SC UPS family. The new 700VA to 3kVA tower-configured SC UPS protects IT/IoT equipment,...

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Articles
Aerospace

Uncertainty Propagation for Force Calibration Systems

There are several labs operating throughout the world that do not follow a designated guideline for calculating measurement uncertainty for force calibrations. Realizing the need for...

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Articles
Aerospace

Finding Alternatives to Cadmium in Aerospace Applications

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 on...

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Products
Defense

New Products

Ultra-Wideband Amplifier The Lemos (Barrington, RI) PATHPA21G is a low noise, ultra-wideband amplifier, based on GaN technology. Compact and lightweight, the PATHPA21G has good N.F, high output power P1db of 24 dbm, and high gain...

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Briefs
Imaging

Imaging Detonations of Explosives

An effort has been made within the US Army Research Laboratory (ARL) to extract quantitative information on explosive performance from high-speed imaging of explosions. Explosive fireball surface temperatures...

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Briefs
Photonics/Optics

Laser Integration on Silicon Photonic Circuits Through Transfer Printing

The purpose of this project was to develop a transfer printing process for the massively parallel integration of III-V lasers on silicon photonic integrated circuits....

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Articles
Aerospace

Modelling and Simulation Tools for Systems Integration on Aircraft

The provision of integrated modeling, simulation and optimization tools to effectively support all stages of aircraft design remains a critical challenge in the aerospace...

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Briefs
Sensors/Data Acquisition

Determining Detection and Classification Potential of Munitions Using Advanced EMI Sensors in the Underwater Environment

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

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Briefs
Photonics/Optics

High Energy Computed Tomographic Inspection of Munitions

An advance computed tomography (CT) system was recently built for the U.S. Army Armament Research, Development and Engineering Center, Picatinny Arsenal, NJ, for the inspection of...

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