Environmental chamber testing method for measuring VOC adsorption/emission characteristics of flexible porous material
The invention discloses an environmental chamber testing method for measuring VOC (volatile organic compound) adsorption/emission characteristics of a flexible porous material. A VOC distribution coefficient K and a diffusion coefficient D of a fabric sample are key parameters for determining adsorp...
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| creator | FANG WEIPENG LI WENLONG LIU JIALU WANG XINKE ZHOU XIAOJUN |
| description | The invention discloses an environmental chamber testing method for measuring VOC (volatile organic compound) adsorption/emission characteristics of a flexible porous material. A VOC distribution coefficient K and a diffusion coefficient D of a fabric sample are key parameters for determining adsorption and emission characteristics of the fabric sample to indoor VOC gas. The environment chamber is used for providing a constant-temperature and constant-humidity environment, adsorption and emission tests are carried out on a fabric sample in a closed state, and the VOC concentration in the environment chamber at each stage is measured. By establishing mass conservation equations of different adsorption and emission stages, a correlation between the VOC mass transfer characteristic parameters of the fabric sample and the VOC concentration in the environmental chamber is obtained. The distribution coefficient K and the diffusion coefficient D of the VOC of the fabric sample are obtained by combining the analytica |
| format | Patent |
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A VOC distribution coefficient K and a diffusion coefficient D of a fabric sample are key parameters for determining adsorption and emission characteristics of the fabric sample to indoor VOC gas. The environment chamber is used for providing a constant-temperature and constant-humidity environment, adsorption and emission tests are carried out on a fabric sample in a closed state, and the VOC concentration in the environment chamber at each stage is measured. By establishing mass conservation equations of different adsorption and emission stages, a correlation between the VOC mass transfer characteristic parameters of the fabric sample and the VOC concentration in the environmental chamber is obtained. 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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING |
| title | Environmental chamber testing method for measuring VOC adsorption/emission characteristics of flexible porous material |
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