MEMs

Ultra-Low-Power Single-Board Computer for Rugged Applications

WinSystems (Arlington, TX) has introduced the EBC-855-G, an EBX-compatible, Intel Celeron® 1-GHz, ultralow- power single-board computer (SBC) that operates over an industrial temperature range of -40° to 70°C for applications in military, medical, communications, security, test and measurement, and industrial automation.

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Microcontrollers With Integrated Ethernet Peripheral

Microchip Technology (Chandler, AZ) has announced the PIC18F97J60 family of 8-bit microcontrollers with an integrated IEEE 802.3-compliant Ethernet communications peripheral.

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Single-Board Computer With Four-Way Symmetric Multiprocessing

The Momentum Series CX6-200 single-board computers from Mercury Computer Systems (Chelmsford, MA) uses two dual-core Intel® Xeon® processors ULV on a 6U single-slot module.

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Wireless Device Server Networks Existing Equipment

Lantronix (Irvine, CA) offers the WiBox® wireless Device Server™ that enables users to remotely manage and control machines over a network or the Internet.

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PCI Single-Board Computer Features Dual-Core Processors

Diversified Technology (Ridgeland, MS) has released the LBC9426 single-board computer based on the Intel® E7520 chipset.

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PCI Cards Feature 4 GigaSamples of Memory

Two 8-bit resolution arbitrary waveform generator cards with up to 4 gigasamples of onboard memory are available from Strategic Test Corp. (Woburn, MA).

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Unmanned SkyTote Demonstrates Capabilities

AFRL scientists are working on SkyTote, a novel unmanned air vehicle (UAV) that will take off and land vertically like a helicopter (see figure) but also transition into horizontal flight like a conventional aircraft. SkyTote's primary mission is to deliver a payload to a specific point within a tactically relevant range and time. AeroVironment, Inc., of Monrovia, California, developed the vehicle under a Small Business Innovation Research effort for AFRL.

Posted in: Briefs, Mechanical Components
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The Propulsion - Safety, Affordability, and Readiness Program

Propulsion - Safety, Affordability, and Readiness (P-SAR) is a new and unique program effort intended to achieve common engine sustainment goals across the Army, Navy, and Air Force aircraft fleets (see figure). Originally conceived as a follow-on to the highly successful High-Cycle Fatigue (HCF) program, P-SAR is evolving into a benchmark collaboration initiative that includes all Department of Defense (DoD) propulsion organizations, as well as National Aeronautics and Space Administration representatives and turbine engine original equipment manufacturers.

Posted in: Briefs, Mechanical Components
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Film Cooling Using Pulsed Coolant

Turbine engine designers routinely use film cooling to cool engine components in the hot-gas flowpath. Film cooling is the process of injecting coolant fluid at one or more discrete locations along a surface exposed to a harsh, high-temperature environment. The film cools and thus protects turbine engine components, enabling the engine's operation at higher turbine inlet temperatures and increasing its thermal efficiency. Current turbine engine designs employ a continuous coolant flow, typically diverting 20%- 25% of the compressor's high-pressure air to cool turbine airfoils. By reducing the volume of high-pressure air needed for turbine blade cooling, designers can proportionately increase the flow available for combustion and thus increase thrust. Therefore, coolant flow reduction is an important design goal in the development of advanced turbine engines.

Posted in: Briefs, Mechanical Components
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Textile Capacitor

The Air Force (AF) is evolving from a Cold War-era force with a large, containment- focused infrastructure to a smaller, more responsive and affordable Air and Space Expeditionary Force. In support of this transformation, AFRL is developing affordable, sustainable, and scalable force applications, including directed energy weapons, kinetic energy weapons, electromagnetic guns and launchers, and high-power microwaves.

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