Mercury Systems, Inc.
The Air Flow-By cooling technology works by enclosing VITA modules such as this switch fabric in a heat exchanger shell to take advantage of conduction cooling on both sides of the module.
The Air Flow-By cooling technology works by enclosing VITA modules such as this switch fabric in a heat exchanger shell to take advantage of conduction cooling on both sides of the module.
The Air Flow-By cooling technology works by enclosing VITA modules such as this switch fabric in a heat exchanger shell to take advantage of conduction cooling on both sides of the module.
The Air Flow-By cooling technology works by enclosing VITA modules such as this switch fabric in a heat exchanger shell to take advantage of conduction cooling on both sides of the module.
The Air Flow-By cooling technology works by enclosing VITA modules such as this switch fabric in a heat exchanger shell to take advantage of conduction cooling on both sides of the module.

Cooling Technology is Mission Ready

May 30, 2017
A cooling technology uses conduction to draw heat away from compact VITA modules.

Thermal management is a prime requirement for long mean time to failure (MTTF) for any component or system, and the cooling technology developed by Mercury Systems has been found mission-ready (see photo). The company announced that systems using Mercury’s ANSI/VITA 48.7 Air Flow-By standard cooling technology have passed flight tests in multiple manned and unmanned airborne platforms, in the process achieving technology readiness level 8 (TRL-8). Mercury holds a patent on one implementation of the cooling standard (U.S. patent No. 9,389,653 B2), and has revised the licensing arrangement to zero cost to encourage industry-wide adoption of the cooling method.

High-density electronic devices can generate excessive heat in tight spaces, requiring efficient thermal dissipation. The Air Flow-By technology, per the VITA 48.7 cooling standard, provides a significant improvement in thermal management compared to the company’s earlier air-flow-through (AFT) technology. In particular, for heat-generating components such as microprocessors, dissipation of heat is essential to long-term reliability.

The Air Flow-By technology achieves cooling by means of convection heat transfer. It cools both sides of a printed wire board (PWB) by enclosing it in a heat exchanger shell. The sealed environment promotes convection cooling—at the same time protecting against airborne contaminants, electrostatic discharge (ESD), and electromagnetic interference (EMI)—without adding to the board count in the manner of AFT cooling approaches. The zero-cost licensing (by signing a licensing agreement with Mercury) should make the cooling approach even more attractive to developers of ANSI/VITA modules.

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