Data Center

The determination of cooling requirements for it systems can be reduced to a simple process that can be done by anyone without special training. Expressing all measures of power and cooling in watts simplifies the process. A general rule is that a crac system rating must be 1.3 times the anticipated it load rating plus any capacity added for redundancy.
For larger data centers, the cooling requirements alone are typically not sufficient to select an air conditioner. Typically, the effects of other heat sources such as walls and roof, along with recirculation, are significant and must be examined for a particular installation.
The design of the air handling ductwork or raised floor has a significant effect on the overall system performance, and also greatly affects the uniformity of temperature within the data center. The adoption of a simple, standardized, and modular air distribution system architecture, combined with the simple heat load estimation method described, could significantly reduce the engineering requirements for data center design.