Introduction As consumers of electronics we have become spoiled. We not only expect our electronic devices to get smaller, faster, more functional, cheaper, more interconnected, and more reliable, we actually demand it. It would not be a pretty picture either for the consumer or the electronics industry if suddenly the design of our electronic gadgets became static. At this … [Read more...]
The Audacity of Engineering
At the time of this writing (mid-November), it appears that significant progress has been made toward avoiding a global financial collapse and that we now have a good chance of avoiding that fate. Unfortunately, it is now clear that, no matter how the credit markets fare, there will be a recession. Even after the world economy picks up again, the world will certainly face an … [Read more...]
Mini- and Microchannels in Thermal Interfaces: Spatial, Temporal, Material, and Practical Significance
Introduction The role of thermal interface materials (TIM) to augment heat flow in electronics has been well-documented [1-4]: Higher thermal conductivity (k) and thinner bondlines proportionally reduce the interface thermal resistance (RTH). Today's high-performance TIMs contain micro- and nanometer-sized particles to increase the effective TIM thermal conductivity (keff,TIM) … [Read more...]
Cooling Electronics with Nanofluids: Laminar Convective Heat Transfer
Introduction Numerous reports over the past ten years or so have described the potential for nanofluids (suspensions of nanoparticles in liquids) to be applied as heat transfer fluids, because of the enhanced thermal conductivity and convective heat transfer characteristics that have generally been observed. A number of review articles have been published on nanofluids [1 � 8], … [Read more...]
Antifreeze Coolants
Removing waste heat from electronic assemblies using a circulating liquid coolant is a common and effective method with a long and successful history, especially in avionics and data center applications. The choice of coolant depends on many factors including corrosion resistance, cost, thermal properties, regulatory constraints, thermal stability, and environmental temperature … [Read more...]
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