Liquid cooling guidelines for datacom equipment centers by American Society of Heating Refrigerating and

By American Society of Heating Refrigerating and Air-Conditioning Engineers

Discusses cooling innovations platforms standards. Describes liquid loops for info heart, chilled, and condenser water structures. I-P units.

ASHRAE, based in 1894, is a global association of a few 50,000 folks. ASHRAE fulfills its challenge of advancing heating, air flow, air con, and refrigeration to serve humanity and advertise a sustainable international via examine, criteria writing, publishing, and carrying on with schooling.

The ASHRAE Handbooks are the layout typical for regulate of equipped environments with volumes on platforms and kit, HVAC purposes, Refrigeration and basics. every one is up to date each 4 years. as well as publishing layout counsel for engineers, architects, and facility managers, we additionally post a sequence of texts for school room use.

many of the parts we put up in include:
-Energy Modeling and Auditing
-High functionality construction Design
-Psychrometrics
-Indoor Air caliber and Environmental Quality
-Data heart strength Efficiency
-Noise & Vibration Control
-Humidity Control
-HVAC for Healthcare amenities

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Example text

The conditioned fluid may be water, an antifreeze mixture, dielectric fluid, or refrigerant. 8 shows a rack or cabinet with combined air and liquid cooling. The computer room air and the conditioned liquid each remove a part of the heat load. In this configuration, air is the only coolant entering the datacom equipment. The airto-liquid heat exchanger extracts heat from the air that is either entering or leaving the datacom equipment and, as a result, reduces the heat load on the computer room air conditioning and reduces hot air recirculation.

The following sections provide detailed descriptions of the various liquid cooling implementations. 1 illustrates cooling at the rack/cabinet level, showing several common configurations for air, liquid, and combination (air + liquid) cooling. 2, which discusses air- and liquid-cooled datacom equipment. 3 provides a detailed overview of this system. The words fluid and coolant are used interchangeably throughout. Throughout this chapter, the liquid lines are shown in the figures as a solid or dashed line and airflow is represented with arrows that contain dots.

This will allow the datacom equipment to continue running or to shut down gracefully in the event of a power outage. 5 Liquid Cooling Infrastructure Requirements for Chilled-Water Systems This section defines interface requirements between the facilities controlled by the building facility operators and the datacom equipment controlled by the datacom manufacturers. Demarcation lines for the CHWS are provided to describe where these interfaces occur in relationship to the datacom equipment and its location within the data center or telecom room.

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