{"id":3854,"date":"2023-03-13T12:49:18","date_gmt":"2023-03-13T12:49:18","guid":{"rendered":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/?p=3854"},"modified":"2023-03-13T13:24:41","modified_gmt":"2023-03-13T13:24:41","slug":"performance-measurement-of-capture-mask-including-characterisation-of-full-operating-performance","status":"publish","type":"post","link":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2023\/03\/13\/performance-measurement-of-capture-mask-including-characterisation-of-full-operating-performance\/","title":{"rendered":"Performance measurement of capture mask, including characterisation of full operating performance"},"content":{"rendered":"

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This report from theme 2 researchers of the PROTECT NCS<\/a>,<\/span> details experimental studies designed to investigate the performance of a new facemask design with impactor plate capabilities for segregating aerosols and droplets by size.<\/p>\n

This includes collecting and analysing the particle size distributions, temperature and relative humidity monitoring in each section of the face mask using human subjects.<\/p>\n

Key findings from the study are: the mask effectively segregates the particle size in some subjects; there is a significant ‘natural variability’ between human subjects in particle size distributions in time and space, and; facemask measurements demonstrate distinct differences between mouth and nose breathing.<\/p>\n

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Related<\/h1>\n

Related posts:<\/h3>
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Understanding what influences the wearing of face coverings - report on the deliverables of the stud...<\/h2><\/div><\/div><\/a><\/div>
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Contact Us<\/p>\n

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Email:\u00a0PROTECT@hse.gov.uk<\/a><\/span><\/p>\n

Health & Safety Executive \u2013 Science Division
Harpur Hill
Buxton
SK17 9JN<\/p>\n

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