The effects of material temperature on VOC emissions: a case study with a mock-up radiant floor system

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Conference8th International Conference of Health Buildings: 04 June 2006, Lisbon, Portugal
Pages14; # of pages: 4
SubjectMaterial emissions, volatile organic compounds, temperature, dry building materials, plywood; Ventilation
AbstractThis study is to investigate the effect of the building material temperature on VOC emissions. Small-scale chamber tests were conducted on a floor assembly that simulates a radiant heating floor system. The temperature of the plywood surface in contact with the heated ?floor? was controlled at five different levels from 23 to 43 oC. The experimental results were used to estimate the diffusion coefficient for a mass-transfer model that was developed for this study. The results indicate that the diffusion coefficient increased with material surface temperature up to 33 oC. After that, the diffusion coefficient was independent of material temperature. A correlation equation was determined to predict diffusion coefficient as a function of material temperature. The relationship can be used to investigate the effects of a radiant heating floor system on air concentrations and subsequent exposure of occupants.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number54568
NPARC number20374602
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Record identifierb9b041b7-bf3b-4f3d-a871-30de5735e219
Record created2012-07-23
Record modified2016-05-09
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