Since the first issue of ElectronicsCooling magazine emerged in June 1995, I have had the privilege of publishing a number of feature articles in the magazine. Writing these articles came relatively easy because the topics addressed were on aspects of electronics cooling, such as liquid cooling, thermoelectrics and air cooling, that I have worked on throughout my 41 years in … [Read more...]
Design For Manufacturability Of Forced Convection Air Cooled Fully Ducted Heat Sinks
Introduction The requisite thermal management for a microprocessor is most often achieved via an aluminum heat sink (fin structure) and a small fan. The effort discussed herein deals with the development of a 'design for manufacturability' methodology for forced convection cooled, plate fin arrays used to form high performance heat sinks for electronics cooling applications. In … [Read more...]
Comparison Of Heat Transfer Rates Of Different Nanofluids On The Basis Of The Mouromtseff Number
Nanofluids are dispersions of nanometer-sized particles in a base fluid such as water, ethylene glycol or propylene glycol. In the last decade, nanofluids have attracted more attention as a new generation of coolants for various industrial and automotive applications. Use of high thermal conductivity metallic nanoparticles (e.g., copper, aluminum, silver, gold, etc.) … [Read more...]
Air-Cooled, Pin Fin Coldwall Design For Operation At Altitude
Introduction Numerous thermal management techniques exist depending on the system, application, and power level. For airborne electronic systems, the most direct approach to thermal management would be to use ambient air or chilled air, provided by the aircraft, routed to and blown across the electronics. However, in some applications potential contaminants in the cooling air, … [Read more...]
Estimating the effect of intercoolers for computer rack cooling
Figure 1. Four board high rack with serial air flow configuration. Figure 2. Rack with intercoolers cooled by water flowing parallel to air flow direction. In the February 2007 issue of ElectronicsCooling the Calculation Corner article addressed the use of a water-cooled air-to-liquid heat exchanger to reduce computer rack air exhaust temperatures and mitigate the effect of … [Read more...]
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