Ohmite Wakefield Solutions’ 19000 Series of radial-fin heat sink extrusions for LED light engines helps meet space constraints and operating parameters. The heat sink extrusions are black anodized for maximum thermal performance, and their radial-fin design has been optimized for natural convection. OHMITE intends for its product to make matching the right heat sink to the … [Read more...]
Nylon Abrasive Brush Tools for Heat Sinks, Fans, and AC Condenser Tubes
Brush Research Manufacturing is now offering flexible NamPower™ nylon abrasive brush tools for the deburring and resurfacing of heat sinks, fans, and air conditioner condenser tubes for the electronics industry. Aluminum extrusions must be free of loose, torn, or folded metal because these could cause flaking and interfere with heat dissipation. The abrasive brush filaments on … [Read more...]
First Completely Passively-Cooled Graphics Card Developed
Colorful is the first manufacturer to develope a completely passive cooler for Nvidia's GeForce GTX 680 graphics card. Called the Colorful iGame GTX 680 Passive Edition, the card uses a completely silent cooling assembly for the 3.5 billion transistor GPU. The card itself is longer than most GTX 680 graphics cards in the market, with a large aluminum fin heat sink spanning its … [Read more...]
Computer Heat Sink Company Licenses Fan-less Cooler Technology
Sandia National Laboratories announced that their Sandia Cooling technology has been licensed by two companies, bringing the Sandia Cooler heat sink much closer to the production phase. According to the company, the redesigned architecture for the air-cooled heat exchanger "simultaneously eliminates all three drawbacks of conventional air-cooled heat exchanger … [Read more...]
Designing Heat Sinks When a Target Pressure Drop and Flow Rate is Known
Forced convention air cooled heat sinks and liquid cooled cold plates are quite pervasive in their use in electronics cooling applications. While there can be significant debate on whether to air or liquid cool a particular component, the approach a thermal engineer would adopt to design both components is essentially similar. Parallel plate fins are the most common geometry … [Read more...]
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