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dc.contributor.authorManuja, Architen_US
dc.date.accessioned2018-05-24T08:00:41Z
dc.date.available2018-05-24T08:00:41Z
dc.date.issued2018-05-23en_US
dc.identifier.othervt_gsexam:15562en_US
dc.identifier.urihttp://hdl.handle.net/10919/83384
dc.description.abstractCertain processes in indoor air, such as deposition, partitioning, and heterogeneous reactions, involve interactions with surfaces. To accurately describe the surface-area-to-volume ratio in a room, we have characterized the surface area, volume, shape, and material of objects in five bedrooms, four kitchens, and three offices. Averaged over all types of rooms, the ratio of surface area with contents to that without contents was 1.7 ± 0.2 (mean ± standard error), and the ratio of volume of freely moving air to volume of the entire space was 0.89 ± 0.05. Ignoring contents, the surface-area-to-volume ratio was 1.9 ± 0.3 m-1; accounting for contents, the ratio was 3.7 ± 1.2 m-1. Ratios were not significantly different between room types and were comparable to those measured for 33 rooms in a similar study. Due to substantial differences in the design and contents of kitchens, their ratios had the highest variability among the three room types. On average, the contents of bedrooms, kitchens, and offices increase their surface area by 70% and decrease their volume of freely moving air by 11% compared to an empty room. The most common shape of objects in a room was a flat plate, while each room also had many irregularly-shaped objects. Paint and wood were the two most common materials in each room, although the distribution of materials varied by room type. The results of this study can be used to improve understanding of the behavior of gases and particles in indoor environments.en_US
dc.format.mediumETDen_US
dc.publisherVirginia Techen_US
dc.rightsThis item is protected by copyright and/or related rights. Some uses of this item may be deemed fair and permitted by law even without permission from the rights holder(s), or the rights holder(s) may have licensed the work for use under certain conditions. For other uses you need to obtain permission from the rights holder(s).en_US
dc.subjectsurfaceen_US
dc.subjectareaen_US
dc.subjectvolumeen_US
dc.subjectbuilt environmenten_US
dc.subjectindoor airen_US
dc.subjectdepositionen_US
dc.titleTotal Surface Area in Indoor Environmentsen_US
dc.typeThesisen_US
dc.contributor.departmentEnvironmental Sciences and Engineeringen_US
dc.description.degreeMaster of Scienceen_US
thesis.degree.nameMaster of Scienceen_US
thesis.degree.levelmastersen_US
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen_US
thesis.degree.disciplineEnvironmental Engineeringen_US
dc.contributor.committeechairMarr, Linsey C.en_US
dc.contributor.committeememberLittle, John C.en_US
dc.contributor.committeememberIsaacman-VanWertz, Gabrielen_US


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