The Study And Evaluation Of Indoor Air Quality In An Underground Store In Harbin

In recent 20years, indoor air quality has became a research focus in the field of building environment due to people's demand on living standard and environment. For the particularity and representative of the environment in underground store, this article is a underground store indoor air quality study in a more comprehensive and systematic way, through five experimental apparatuses measured eight indicators: temperature, humidity, CO₂, CO, TVOC, PM₁₀, formaldehyde and radon and received a lot of experimental data, and have completed various forms of comparison and analysis for the use of the data, and have studied the distributed situation in the hall of the pollutants and their changes over time; As well as the main factors affects various targets .Through the making of subjective investigation form, carry on the subjective satisfaction questionnaire to the people in the underground store, in the use of mathematical statistic method Ridit analysis, obtains the relationship between the fresh air requirement and the rate of the trouble people indoors, count the subjective investigation results, analyzed several difference questions in the subjective appraisal . The union of experiment results, the indoor air quality of every hall evaluated by grey system method, discovers the relationships between the pollutant date and the subjectively felt. In view of the situation of the underground store, a number of reasonable and effective measures are proposed to improve indoor air quality.