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Diagrams of equal area coverage: a new method to assess dust deposition in indoor heritage environments

Grau-Bové, J; Mazzei, L; Thickett, D; Vlachou-Mogire, C; Strlic, M; (2017) Diagrams of equal area coverage: a new method to assess dust deposition in indoor heritage environments. In: Bridgland, J, (ed.) ICOM-CC 18th Triennial Conference Preprints, Copenhagen, 4–8 September 2017. International Council of Museums (ICOM): Paris, France. Green open access

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Abstract

Particulate matter can cause a loss of value of in indoor heritage, and for this reason it is frequently monitored. The process of deposition is well-described by theoretical models that relate deposition rates with environmental variables. However, we find that the inputs and outputs of models are not directly relevant to preventive conservation. While heritage managers are concerned about area coverage by particulates, the existing models use deposition velocities as the main variable. We propose an improved graphical representation of predictions of deposition, that takes inputs that can be modified as part of preventive conservation plans (concentration and air movement) and an output that can be related to risk assessment and cleaning schedules (time to visible area coverage). By comparing the predictions with experimental data, we show that this approach is useful for small particles of outdoor origin. We also find that further research is needed to make numerical predictions relevant for cases where deposition involves coarse dust and is caused by visitor movement.

Type: Proceedings paper
Title: Diagrams of equal area coverage: a new method to assess dust deposition in indoor heritage environments
Event: ICOM-CC 18th Triennial Conference
Location: Copenhagen, The Netherlands
Dates: 04 September 2017 - 08 September 2017
Open access status: An open access version is available from UCL Discovery
Publisher version: http://icom-cc-publications-online.org/Publication...
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Deposition, dust, fine particles, PM2.5, PM10.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/1503980
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