Numerical Study of the Effect of Bake-Out on the Formaldehyde Migration in a Floor Heating System
作者： Xiaozhong Shen , Zhenqian Chen
DOI: 10.1007/978-3-642-39584-0_47
关键词:
摘要: To comply with concentration requirements in previously constructed homes, many people are conducting bake-out buildings prior to occupancy. The material temperature is considered a major factor that determines the effect of bake-out. confirm bake-out, an improved model coupled heat and formaldehyde migration process developed analyzed investigate transport features under floor heating system. Based on theory nonequilibrium thermodynamics molecular kinetics, mechanisms mass transfer dry porous building materials discussed. floorboard simulated nonisothermal conditions temperature. Numerical results show becomes more important increasing bottom layer, emission from board increases frequency. longer time ventilation smaller remained chamber is. removal efficiency within period prominent, but energy consumed such mode unsatisfied.
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