Introduction As electronic products become more sophisticated and design margins tighten, defining the thermal management strategy early in the design cycle is vital to ensure a cost-effective design for the level of heat dissipation. Optimizing the cooling system for an electronic product can involve juggling many design parameters, such as airflow rate, fan and vent … [Read more...]
Review of Low Profile Cold Plate Technology for High Density Servers
Introduction Water cooling of computers was introduced more than twenty years ago, but had disappeared from the mainstream by the mid 1990s. The conversion of chip technology from bipolar to CMOS (complementary metal oxide semiconductor) was the main reason. As chip powers continue to increase, water cooling appears likely to become mainstream again. In the current market, the … [Read more...]
ASHRAE Committee Formed to Establish Thermal Guidelines for Datacom Facilities
Introduction The environment of every data center is complex and unique. Air currents within the data center have hot and cold air streams colliding, cold air exhausting upward from perforated tiles, hot air streams exhausting from tops and the rear of servers and storage racks. Not only are these air circulation patterns extremely complex, they can also be transient in nature … [Read more...]
Server Design Challenges for the High-heat-load Internet Data Center
Introduction Microprocessor and system thermal management are linked to facility cooling: power dissipation and cooling techniques employed at one end of the size scale have cascading impacts at the other extreme (Figure 1). For example, ineffective airflow distribution or insufficient underfloor static pressure in a data center can reduce the supply airflow rate from … [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...]
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