We quote the temperature data of three big cities in china offered by China weather bureau in 2008 , and display different temperatures in percentage to show the cooling effect before and after installing open space cooling system.
This pie chart applies to the outside air before any cooling. It shows the various ranges of temperature exist during the Critical Heat Relief Zone (10am to 4pm) and its occurrence by percentage breakdown.
This pie chart applies to the supply air into the workspace after cooling. It shows the various ranges of temperature that have been reduced to (10am to 4pm) and its occurrence by percentage breakdown.