Computer Room Weather Systems is an IT term used to describe the
various factors found in a computer room, server room, or data center that
combine to create dynamic airflows with high and low pressure area just like
Earth's weather system. The three main factors in creating computer room
weather systems are:1. The heat generated from computers, servers,
network equipment, and any other heat-generating appliance.
2. The cold air produced by air conditioning units and distributed
throughout the room by various means such as air ducts, powerful fans or
ventilated floor tiles.
3. The obstructions to air flow (like server cabinets, supply cabinets
and structural pillars) creating eddies, currents and blockages (just like
mountains, depressions and buildings do in natures weather system.)
Overview
The term was first made popular by Firebird Engineering, a Utah-based
engineering firm that focuses on analyzing cooling problems in computer
rooms through the use of various computational fluid dynamics programs.
Similar to natures weather, the cooling of a computer room is often
thought of in an almost mystical and unpredictable way. The "hot spots"
created by excessive heat in computer rooms is more often that not treated
with the addition of more CRAC (Computer Room Air Conditioning) units.
However, companies like Innovative Research, and Ansys (the two leading
developers of Computational Fluid Dynamics software) have proven that air
flows within computer rooms are extremely predictable through the use of
proper modeling, measuring and a through understanding of physics.
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