The purpose of the present article is to suggest that accurate solution of thermal spreading problems for multilayer, edge-truncated geometry is easily accomplished using free, open-source finite element software. This should be especially attractive to designers and analysts who are full-time independent consultants, temporary contractors, or regularly employed … [Read more...]
Two-Phase Flow Control of On-Chip Two-Phase Cooling Systems Developed for Blade Servers of Data Centers
Server manufacturers and data center managers are showing a greater concern regarding the energy efficiency and cooling of the new generation of servers for data centers. With very large data centers exceeding 100 000 servers, some even consuming more than 50 MW [1] to operate, this electrical energy is directly converted to heat and then simply “wasted” as it is dissipated … [Read more...]
Thermal Facts and Fairy Tales: A System Perspective for Electronics Cooling
A friend of mine who was an aspiring plumber once stated that all you need to know to be a plumber is that you get paid on Friday and that waste flows downhill. Maybe there is a similar analogy for thermal engineers that regardless of when we get paid, thermal energy will flow in the direction of decreasing temperature. The direction of heat flow with respect to temperature … [Read more...]
Electronic Performance Impact of Elevated Humidity Environments – Implications for Free Air Cooling of Data Centers
Introduction The computer industry is exploring various options for reducing the cost and energy consumption associated with cooling data centers. The use of liquid cooling in the data center has long been exploited as a more energy efficient means of heat removal than forced air cooling. However, more recently, there has been considerable interest in cooling data centers by … [Read more...]
Counter-Rotating Fans for High-Density Electronic Enclosures
Thermal solutions provider JMC products has released two new counter-rotating fans measuring 40x50x32mm and 40x50x38mm for high-density 1U servers, power supplies and high-density electronic enclosures. Both fans feature a speed of 10,200 rpm and pulse width modulation (PWM) control for both motors individually or simultaneously. … [Read more...]
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