Characterization of winter airborne particles at Emperor Qin's Terra-cotta Museum, China

Please cite this article as: Chatoutsidou SE, Mašková L, Ondráčková L, Ondráček J, Lazaridis M, Smolík J, Modeling of the aerosol infiltration characteristics in a cultural heritage building: The Baroque Library Hall in Prague, Building and Environment (2015), doi: 10.1016/j.buildenv.2015 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. A dynamic mass balance model was introduced taking account particle penetration from outdoors and indoor losses (deposition, ventilation). The model was used to determine deposition rate k and penetration efficiency P in 13 discrete size intervals. Model performance was evaluated using the coefficient of determination (R 2 ) by selecting different pairs of k and P. No unique solution found, thus, averaged values of k and P from the best correlated pairs were used to estimate infiltration factor. Good agreement between infiltration factor and I/O ratio confirmed that modeled k and P were well-estimated. The deposition rate was found to depend strongly on particle size with higher rates for ultrafine and coarse particles. Penetration efficiency, on the other hand, was not clearly related with particle size. The infiltration factor varied substantially with particle size with less effective removal for accumulation fraction (0.1-0.7 µm). Higher infiltration factor for ultrafine particles, compared to coarse particles, indicates that enrichment of the library at this size is caused by penetration from outdoors. On the other hand, human presence during visiting hours found to contribute significantly to coarse particles by increasing the indoor number concentration by a factor of 3, 3.2 and 2 during spring, summer and winter respectively.

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“…Indoor-outdoor relationship of ambient PM is reported in other studies dealing with museum environments [7,18,21,25,46]. …”

Section: A C C E P T E D Accepted Manuscriptmentioning

confidence: 58%

“…Moreover, the characteristics of indoor PM in museums were also studied with regard to the outdoor environment [7,9,25,26]. These studies include buildings belonging to a complex or individuals, in suburban or urban areas, with natural or mechanical ventilation and different construction materials.…”

Section: Introductionmentioning

confidence: 99%

Modeling of the aerosol infiltration characteristics in a cultural heritage building: The Baroque Library Hall in Prague

Chatoutsidou

Mašková

Ondráčková

et al. 2015

Building and Environment

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“…A daytime and nighttime monitoring of total suspended PMs were conducted in Emperor Qin's Terra-Cotta Museum, China (Hu and Lee, 2009). They concluded that both size distributions and particle types were influenced by visitors significantly.…”

Section: Introductionmentioning

confidence: 99%

Characterizing Particulate Pollutants in an Enclosed Museum in Shanghai, China

Wang

Xiu

Chen

et al. 2015

Aerosol Air Qual. Res.

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The present study reported simultaneous measurements of particle number concentration (PNC), particle mass concentration, water soluble organic carbon (WSOC), organic carbon (OC), elemental carbon (EC), particulate morphology and main elemental properties. The measurements were conducted in a museum located in the downtown area of Shanghai. The impacts of storey, particle size and decorative flooring on particle characteristics inside museum were investigated. Size fractionated PNC in display halls belonging to the same storey exhibited similar daily variations. Particles within the range of 0.3-0.5 µm were identified as the most significant contributors to the overall size distribution measured, as ambient fine particles penetrated through the mechanical ventilation system. Multi-lognormal fitting OC concentrations can be assigned to the presence of tourists in the museum or originate from secondary OC formation. The latter can be estimated by comparing the relationship between OC and EC, as well as OC and WSOC.

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“…In China, particulate pollution due to rapid industrialization and urbanization has become a serious environmental problem at the regional scale [13]. Thus, the surrounding environment was also considered to evaluate the potential soiling and weathering hazards from outdoor particulate matter for statues inside naturally-ventilated museums [14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Policy Influence on Long-Term Indoor Air Quality in Emperor Qin’s Terra-Cotta Museum, China

Jia

et al. 2015

Atmosphere

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Characterization of winter airborne particles at Emperor Qin's Terra-cotta Museum, China

Cited by 39 publications

References 37 publications

Modeling of the aerosol infiltration characteristics in a cultural heritage building: The Baroque Library Hall in Prague

Modeling of the aerosol infiltration characteristics in a cultural heritage building: The Baroque Library Hall in Prague

Characterizing Particulate Pollutants in an Enclosed Museum in Shanghai, China

Evaluation of Policy Influence on Long-Term Indoor Air Quality in Emperor Qin’s Terra-Cotta Museum, China

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