Editor’s note: This question was asked in response to Electronics Cooling’s recent webinar by Carl Zwebin. To view the webinar, click here. Question: Are there ways to use some of the more expensive materials in cost-sensitive applications? Answer: There may be applications for which expensive materials are cost effective as is. However, there are many cases where it is not … [Read more...]
Are the Carbon Fibers Used in Aircraft Like the Boeing 787 Thermally Conductive?
Editor’s note: This question was asked in response to Electronics Cooling’s recent webinar by Carl Zwebin. To view the webinar, click here. Question: Are the carbon fibers used in aircraft like the Boeing 787 thermally conductive? Answer: There are many types of carbon fibers. The carbon fibers used in most aircraft and other structural applications are made from … [Read more...]
Thermal Conductivity of diamond-Ag Composites was Quoted at 983W/mK – Missing Something?
Editor’s note: This question was asked in response to Electronics Cooling’s recent webinar by Carl Zwebin. To view the webinar, click here. 1. Question: The thermal conductivity of diamond-Ag composites was quoted at 983W/mK. This was sure news to me. I was under the impression that an electrical insulator (diamond) was not compatible with an electrical conductor (Ag) in … [Read more...]
Info on Advanced Composite Thermal Materials and Costs of Materials
Editor’s note: This question was asked in response to Electronics Cooling’s recent webinar by Carl Zwebin. To view the webinar, click here. Question: Where can I get more information on advanced composite thermal management materials? What are the costs of the various materials you covered? Answer: I can provide overview articles. I also teach short courses in-house … [Read more...]
Radiative Cooling of Electronics (and Other Things)
In your basic heat transfer class, you should have learned that there are three primary modes of heat transfer: conduction (heat transfer through solids or stationary fluids), convection (heat transfer by virtue of moving fluids), and radiation. As a general rule, in electronics cooling situations, radiation is the least important mode, and is often neglected in first-order … [Read more...]
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