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Three-Module Universal PCI Card

North Atlantic Industries (Bohemia, NY) has released the 76C2 PCI card that features three modules, and is a universal, multi-functional, half-slot card.

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Linux Development Kits

Arcom (Kansas City, KS) has introduced the 400 MHz VIPER and 200 MHz VIPER-Lite entry-level embedded Linux Development Kits to support the PXA255 XScalebased single-board computers (SBCs). The units are smallfootprint SBCs powered by the PXA255 ARM-compatible RISC processor.

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Wireless Embedded Computers for Harsh Environments

MOXA Technologies (Brea, CA) has announced the ThinkCore W300 Series of embedded wireless computers, including the models W311, W321, and W341. The computers are designed specifically for use in harsh industrial environments.

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Mezzanine Card Based on Altera FPGAs

BittWare (Concord, NH) has released the GX-AMC (GXAM) FPGA-only board based on Altera Corporation's high-density field-programmable gate arrays (FPGAs). The Advanced Mezzanine Card (AdvancedMC) uses the Altera Stratix II GX FPGA for development and deployment of systems such as wireless infrastructure.

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USB 2.0 Switch

Fairchild Semiconductor (South Portland, ME) offers the FSUSB30, a low-power, two-port, high-speed USB 2.0 switch that augments board real estate and downloading performances. The unit combines >720 MHz bandwidth (needed to pass the third harmonic), low on-capacitance (6 pF), and 8 kV ESD protection in a 1.4 × 1.8 × 0.55 mm UMLP device.

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CompactPCI Enclosures

Elma Electronic, Inc. (Freemont, CA) has released the Type 39 2U EasyPlug CompactPCI enclosures. The Type 39c HA line features 9U cPCI backplanes that include pluggable 47-pin connectors for hot-swapping power supplies. There also are pluggable fan tray headers and optional shelf management modules.

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Fibre Channel PMC Card

Gbps channel Fibre Channel (FC) PMC card designed for high-bandwidth data communications and storage applications. The card supports both SCSI Fibre Channel Protocol (FCP) and Internet Protocol (IP), including both File System SCSI and Raw Initiator SCSI.

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System Host Boards Feature Multi-Core Processors

Trenton Technology (Atlanta, GA) offers the MCX/MCG system host boards with dual multi-core processors in numerous configurations for demanding computing applications. MCX-series boards are server-class boards that provide multiple PCI Express™ links to option card slots and devices on a PICMG® 1.3 backplane.

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Simulations of Stall and Stall Control in Turbocompressors

Anumerical-simulation study of stall and stall control in radial and axial compressor stages of gas turbine engines has been performed. This and other similar studies are needed because even though the adverse consequences of stall are well known and rudimentary stall-warning and stall-control systems are in use, the scientific basis for predicting and mitigating stall is not yet established.

Posted in: Briefs, Mechanical Components, Simulation and modeling, Compressors, Gas turbines
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Application of CFD to a Slender-Bodied, Finned Projectile

In an application of computational fluid dynamics (CFD), flow fields about a slender-bodied finned projectile and the resulting aerodynamic forces and moments on the projectile were computed. The size and shape of the projectile (a blunt-nosed, ogivecylinder body, 316.7 mm long, 23.5 mm in diameter, with four tail fins) are representative of a preliminary design of a future air-defense projectile. The computations are exemplary of those needed for predicting aerodynamic performances in order to optimize designs of advanced projectiles, missiles, and rockets in general.

Posted in: Briefs, Information Technology, Computational fluid dynamics, Missiles
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