don't underestimate radiation in electronics cooling Bruce M. Guenin, Ph.D., Associate Editor, Amkor Technology, Inc. It is easy to underestimate the role of thermal radiation as a significant contributor to electronics cooling in environments without forced air flow. By its very nature it is invisible. The proper treatment of it can be intimidating due to the complicated … [Read more...]
Component thermal characterization
For decades, the worldwide electronics industry has produced a stream of products that continue to amaze us with their capabilities, their compactness, and their low price. This track record is due, in part, to an intricate set of interrelationships between a large number of hardware and software vendors who balance cooperative and competitive market strategies. Key elements in … [Read more...]
CFD: One measly letter away from CAD
"The stuff you engineers design is too good," the guy from Marketing said, "I need shoddier! Can you make them less efficient and cheaper?" I was working for a small company that made electric power conditioning equipment. Our devices protected against spikes, sags and brownouts in the AC power for mission-critical equipment like air traffic control radar and the computer … [Read more...]
Managing power requirements in the electronics industry
Rapid growth in the use of Internet and telecommunication services has created unique yet critical demands on the power required to energize this network. Continuing market requirements for higher-speed access - coupled with expanding needs for all modes of electronic communications - have resulted in telecommunications systems that exhibit dramatic increases in power … [Read more...]
The thermal conductivity of fluids
About 10-15 years ago, fluids, either directly (mainly Fluorocarbons), or indirectly (cold plates flushed with water) cooled the majority of mainframe computers. Nowadays, the expected increase in heat flux density causes a renewed interest in either passive or active liquid cooling, because the limits of air cooling come within reach. Other practical applications in which … [Read more...]
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