We conducted the field experiments in four classrooms on a four-storeyed teaching building of a primary school
as shown in Fig.1: one classroom (S1) around the corner on the second floor and three classrooms (S2, S3 and S4)
along the same corridor on the third floor. The building was naturally ventilated with ceiling fans and separated air
conditioners installed in each classroom for indoor thermal control. The measurements were done in the autumn and
winter of 2013, respectively, to examine the changes in indoor climate and air pollution caused by the seasonal
climate variation. The field investigation incluided three tasks: (1) monitoring of air temperature, relative humidity
(RH) and CO2 level; (2) measurement of PM mass concentration; (3) test of HCHO, acetaldehyde, and VOCs in air.
Task (1) lasted for two weeks to characterize the indoor climate in four classrooms in the seasons. Task (2)–(3) were
carried out when we visited the primary school to set up the instruments for Task (1) on November 11th and
December 19th.
We conducted the field experiments in four classrooms on a four-storeyed teaching building of a primary schoolas shown in Fig.1: one classroom (S1) around the corner on the second floor and three classrooms (S2, S3 and S4)along the same corridor on the third floor. The building was naturally ventilated with ceiling fans and separated airconditioners installed in each classroom for indoor thermal control. The measurements were done in the autumn andwinter of 2013, respectively, to examine the changes in indoor climate and air pollution caused by the seasonalclimate variation. The field investigation incluided three tasks: (1) monitoring of air temperature, relative humidity(RH) and CO2 level; (2) measurement of PM mass concentration; (3) test of HCHO, acetaldehyde, and VOCs in air.Task (1) lasted for two weeks to characterize the indoor climate in four classrooms in the seasons. Task (2)–(3) werecarried out when we visited the primary school to set up the instruments for Task (1) on November 11th andDecember 19th.
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