In terms of one railway dispatch building design as an example

four kinds of air conditioning system commonly used data center were introduced

the factors of air-conditioning system in the practical use based on the characteristics of railway dispatching system were analyzed

and the conclusion is put out that the quantity and arrangement of air distributor should be concerned with indoor loads

arranging above the people also should be avoided

according to the simulation on the air distribution of the dispatch hall and the analysis of indoor temperature and wind speed effects human comfort.