Home

Model Development Using Accelerated Simulations of Hypersonic Flow Features

This code enables more accurate models for computational fluid dynamics applications. Air Force Office of Scientific Research, Arlington, Virginia Currently, the two main computational tools used by the aerothermodynamics community to model hypersonic flows are Computational Fluid Dynamics (CFD), and the direct simulation Monte Carlo (DSMC) particle method. Both use essentially the same physical models for rotational-vibrational excitation and dissociation phenomenon, which are based on a limited number of near-equilibrium experiments performed at low temperatures.

Posted in: Aerospace, Defense, Briefs, DTB

Read More >>

Vacuum Regulators to Simulate Altitudes

Equilibar Fletcher, NC 828-650-6590 www.equilibar.com To support air assets, the US Navy’s Altitude Laboratory in Maryland is tasked with testing On-Board Oxygen Generating Systems (OBOGS). The lab has three hypobaric chambers to assess mechanical breathing simulators at altitudes up to 60,000 feet. The altitude in the chambers is simulated by precisely regulating the vacuum pressure.

Posted in: Aerospace, Defense, Application Briefs

Read More >>

Electronic Attack Capability on Unmanned Aircraft

Northrop Grumman Corp. Falls Church, VA 703-280-2900 www.northropgrumman.com Northrop Grumman Corporation has integrated and employed an internal miniature electronic attack payload on the Bat unmanned aircraft, marking the first time that such a system was used in operation on a Group III (small, tactical) system.

Posted in: Aerospace, Defense, Application Briefs

Read More >>

Armored Response Vehicle for Bomb Disposal Teams

Lenco Industries Pittsfield, MA 413-443-7359 www.LencoArmor.com Lenco Industries has introduced the BearCat® EOD “BombCat” armored response vehicle for bomb disposal teams and EOD and IEDD first responders. Designed with input from veteran explosive ordinance disposal experts, the Bomb- Cat accommodates a large tactical robot like the Andros F6A, which can be readily accessed using a fold-down ramp at the curb side door or deployed from a hydraulically controlled platform located at the front of the vehicle.

Posted in: Aerospace, Defense, Application Briefs

Read More >>

Signal Acquisition Module

ADLINK Technology (San Jose, CA) has released its PXI Express dynamic signal acquisition module, the PXIe- 9529, featuring up to eight 24-bit analog input channels simultaneously sampling at 192 kS/s and a 108 dB dynamic range. The PXIe- 9529 features a vibration-optimized lower AC cutoff frequency of 0.3 Hz, and all input channels incorporate 4 mA bias current.

Posted in: Aerospace, Defense, Products

Read More >>

Single-Slot VPX Board

Elma Electronic (Fremont, CA) offers a dual-drive VPX storage module that provides more than 2 terabytes (TB) of storage, but requires only one system slot. The 533x family comes with either solid state SLC, MLC, or 2.5" rotating drives.

Posted in: Aerospace, Defense, Products

Read More >>

Thermal Analysis Tool

A Thermal Analysis tool from Custom MMIC (Westford, MA) estimates the rise in temperature between the ambient surrounding and the bottom of a packaged MMIC when attached to a printed circuit board (PCB). The online calculator does not require a full 3D thermal simulation environment. Users select the package type, the power dissipation inside the package, the PCB board material, the via construction, and the base plate temperature (typically 85°C). The calculator then determines the temperature rise through the PCB to the bottom of the package, under the following assumptions: the PCB is plated with 1 oz. copper (1.4 mils thick), the package is attached to the PCB with solder (2 mils thick), and the base plate is an ideal heat sink.

Posted in: Aerospace, Defense, Products

Read More >>