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Simulated Failure Analysis of a Distributed Liquid Cooled Data Center

Energy management of High-Performance Computing (HPC) system data centers is evolving. The removal of heat generated by computing, networking, and storage equipment from the data center is changing from the practice of exclusively moving chilled air to also include the removal of heat by liquid cooling.
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Data Center Rack Level Cooling Utilizing Water-Cooled, Passive Rear Door Heat Exchangers (RDHx) as a Cost Effective Alternative to CRAH Air Cooling

A common misconception in the industry is that liquid cooling is too expensive to deploy until the rack dissipation exceed 6-8kW. This study demonstrates that 5kW per rack may be the point where CAPEX of liquid cooling is approximately the same as traditional air cooling.
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The Ultimate Recycling Project – Extending the Life of your Data Center – Mapping the Right Solution

The proliferation of new, extended application development in software as a service, as well as new virtualization technologies, have created in most data centers a conflict between todays outdated capabilities versus tomorrow’s growing needs. There is no doubt that the cost of building and managing data center resources continues to increase year over year. And there is also no doubt that the cost to power and cool data centers comprises a majority of the operating expense year over year.
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Data Center Rack Cooling with Rear Door Heat Exchanger

As data center energy densities in power-use per square foot increase, energy savings for cooling can be realized by incorporating liquid-cooling devices instead of increasing airflow volume. This is especially important in a data center with a typical under-floor cooling system. An airflow-capacity limit will eventually be reached that is constrained, in part, by under-floor dimensions and obstructions.
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The Advantage and Disadvantages of Building a High Density Data Center White Paper

As early as 2000, the IT industry had accelerated its transition from CPU speed-based performance to high-density system-level performance. However, this "densifying" of data center racks through virtualization results in increases in the racks' heat density and consequently the energy required to neutralize that heat. This white paper discusses how localized liquid cooling at rack level and rack proximity eliminates one of the most inefficient elements of data center infrastructure cooling, substantially reduces energy consumption, and allows for higher rack-level compute density.
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Server Virtualization and the Cooling Paradox White Paper

IT organizations are turning to server virtualization in order to gain greater data center efficiency. By combining workloads onto fewer servers, virtualization enables server consolidation and delivers immediate benefits by increasing server utilization, reducing server footprint, and lowering overall IT energy consumption and cooling requirements. At the same time, the benefits of server virtualization are not being fully realized by most IT and data center managers due to the limitations that are made evident when attempting to air-cool mid or high-density server racks. This solution brief explores the paradox around maximizing server virtualization and optimizing cooling costs in today's data centers.
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Green Field Data Center Design - Water Cooling for Maximum Efficiency White Paper

One of the critical efficiency issues facing many high density data centers today revolves around cooling. Typically, data center operators manage heat density issues by spreading the load and under populating racks, because of the limitations of air cooling. This white paper addresses the emergence of localized liquid cooling for rack level or rack proximity systems, which provides the most effective, efficient, and sustainable method to cool today's high-performance data centers.
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