Introduction A review of the technical and market impediments overcome in the development and eventual acceptance of cryocoolers for space-borne applications may shine light on the prospects for the use of such mechanical refrigeration systems in more widespread commercial uses. This premise is explored by first reviewing space cooler development history, then considering some … [Read more...]
Integrated Heat Pipe Spreader for Improved FBDIMM Memory Module Thermal Management
Introduction Due to the increasing power density in today's industry standard servers, thermal design and cooling is a significant challenge. In a typical server, the two most challenging elements to cool are the processors and the memory modules. The system level fan speeds are directly dictated (in most cases) by both processor and memory temperatures. Due to the fact that … [Read more...]
Simplified Correlations For Radiation Heat Transfer Rate In Plate-Fin Heat Sinks
Radiation heat transfer can be a significant portion of total heat transfer from a heat sink, particularly in natural convection flows. The enclosures for most natural-convection-cooled indoor and outdoor electronic equipments, such as pole or wall-mount base stations and radio units, include external fins to improve natural convection and radiation heat transfer rates. Early … [Read more...]
Reader Poll Declares ElectronicsCooling a Winner!
Reader Poll Declares ElectronicsCooling a Winner! Here in the United States we are in the midst of the campaign season leading to our national election in November to choose our next president. While Senator John McCain is the clear winner of the Republican nomination for president, as I draft this column, the contest between Senators Hillary Clinton and Barack Obama to win the … [Read more...]
Liquid Cooling for Datacom Equipment Centers
Introduction The increasing heat load densities in datacom equipment centers require ever more sophisticated approaches to cooling. Air-cooled systems are now struggling to provide the needed level of thermal performance for many installations and energy efficiency is an increasing concern. In fact, the standard implementation of air-cooled designs results in cooling energy … [Read more...]
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