2006•Refrigeration Air Conditioning & Electric Power MachineryRequires access

Influence of Fresh Air of Total Air System on Indoor Air Quality

Shu Yong-bao

Abstract

Aimed at both primary return-air system and secondary return-air of system of the total air system in this paper.The influences of fresh-air volume,return-air's by-pass coefficient and air filter's purification efficiency on indoor air quality were discussed by means of the equilibrium equation of indoor contaminant uniform diffuseness. Finally,several kinds of measures were pointed,which can in favor of improving indoor air quality.

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Key concepts: Indoor air quality, Environmental science, Fresh air, Air quality index, Air filter, Indoor air, Environmental engineering, Room air distribution