Introduction With thermal solutions becoming more challenging, there is a push for novel cooling ideas or materials to further mitigate thermal issues facing today's electronics. In these design situations, the proven method of analytical calculations, modeling, and laboratory testing is sometimes bypassed in the search for a quick "cure-all" solution. Evolutionary progress is … [Read more...]
Vibration Analysis For Electronic Equipment
This topic is rather esoteric and usually an afterthought in commercial and industrial applications. In military and defense electronics, it is one of the major drivers for design and product architecture early on in the design cycle with specific targets/budgets. As with junction temperature requirements in a thermal design, there are structural dynamic issues that need to be … [Read more...]
"Revolutionary" New Thermal Management Materials
Editors tend to frown on use of "revolutionary" in technical papers. However, advances in thermal management material properties in the last few years clearly warrant this word. There are now over a dozen materials with low coefficients of thermal expansion (CTEs) and thermal conductivities higher than that of copper (400 W/m K), and a score with thermal conductivities at least … [Read more...]
Solve Thermal Issues Earlier in Updated Board Designs
Introduction Often new products or product concepts only introduce some new aspects and rely heavily on existing designs. At the board level this often means only one section of a board is retooled or upgraded; an approach that can save significant time and money. Unfortunately, we cannot rely solely on previous work because the interaction of old functions and new features … [Read more...]
Heat Transfer Enhancement By Using Nanofluids For Cooling Of High Heat Output Microprocessor
It is well known that the thermal properties of heating or cooling fluids play a major role in the development of energy-efficient heat transfer equipment. However, conventional heat transfer fluids such as water, ethylene glycol and engine oils have, in general, poorer heat transfer properties than most solids. In spite of considerable research efforts, major improvements in … [Read more...]
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