{"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":"<p>[et_pb_section bb_built=&#8221;1&#8243; admin_label=&#8221;section&#8221; fullwidth=&#8221;on&#8221; next_background_color=&#8221;#000000&#8243; global_module=&#8221;322&#8243;][et_pb_fullwidth_menu global_parent=&#8221;322&#8243; _builder_version=&#8221;3.0.106&#8243; menu_id=&#8221;7&#8243; submenu_direction=&#8221;downwards&#8221; fullwidth_menu=&#8221;off&#8221; background_layout=&#8221;dark&#8221; module_class=&#8221;main-navigation&#8221; \/][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; fullwidth=&#8221;off&#8221; specialty=&#8221;on&#8221; prev_background_color=&#8221;#000000&#8243; next_background_color=&#8221;#1d1d1d&#8221;][et_pb_column type=&#8221;2_3&#8243; specialty_columns=&#8221;2&#8243;][et_pb_row_inner locked=&#8221;off&#8221;][et_pb_column_inner type=&#8221;4_4&#8243; saved_specialty_column_type=&#8221;2_3&#8243;][et_pb_post_title _builder_version=&#8221;3.0.106&#8243; title=&#8221;on&#8221; meta=&#8221;on&#8221; author=&#8221;on&#8221; date=&#8221;on&#8221; categories=&#8221;on&#8221; comments=&#8221;on&#8221; featured_image=&#8221;on&#8221; featured_placement=&#8221;above&#8221; text_color=&#8221;dark&#8221; text_background=&#8221;off&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221; \/][et_pb_text _builder_version=&#8221;3.17.6&#8243; background_layout=&#8221;light&#8221; parent_locked=&#8221;off&#8221;]<\/p>\n<p>This report from <span style=\"text-decoration: underline\"><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/research-themes\/approaches-to-evaluate-environmental-transmission-mechanisms-and-controls\/\">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<p>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<p>Key findings from the study are: the mask effectively segregates the particle size in some subjects; there is a significant &#8216;natural variability&#8217; between human subjects in particle size distributions in time and space, and; facemask measurements demonstrate distinct differences between mouth and nose breathing.<\/p>\n<p>[\/et_pb_text][et_pb_button admin_label=&#8221;Button: Read the report&#8221; button_text=&#8221;Read the report&#8221; _builder_version=&#8221;3.17.6&#8243; button_url=&#8221;https:\/\/documents.manchester.ac.uk\/display.aspx?DocID=66890&#8243; \/][et_pb_post_nav _builder_version=&#8221;3.0.106&#8243; in_same_term=&#8221;off&#8221; show_prev=&#8221;on&#8221; show_next=&#8221;on&#8221; prev_text=&#8221;Previous&#8221; next_text=&#8221;Next&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221; \/][et_pb_comments _builder_version=&#8221;3.0.106&#8243; show_avatar=&#8221;on&#8221; show_reply=&#8221;on&#8221; show_count=&#8221;on&#8221; background_layout=&#8221;light&#8221; header_font_size_tablet=&#8221;51&#8243; header_line_height_tablet=&#8221;2&#8243; custom_button=&#8221;on&#8221; button_icon_placement=&#8221;right&#8221; button_text_color=&#8221;#ffffff&#8221; button_use_icon=&#8221;off&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221; button_text_size__hover_enabled=&#8221;off&#8221; button_text_size__hover=&#8221;null&#8221; button_one_text_size__hover_enabled=&#8221;off&#8221; button_one_text_size__hover=&#8221;null&#8221; button_two_text_size__hover_enabled=&#8221;off&#8221; button_two_text_size__hover=&#8221;null&#8221; button_text_color__hover_enabled=&#8221;off&#8221; button_text_color__hover=&#8221;null&#8221; button_one_text_color__hover_enabled=&#8221;off&#8221; button_one_text_color__hover=&#8221;null&#8221; button_two_text_color__hover_enabled=&#8221;off&#8221; button_two_text_color__hover=&#8221;null&#8221; button_border_width__hover_enabled=&#8221;off&#8221; button_border_width__hover=&#8221;null&#8221; button_one_border_width__hover_enabled=&#8221;off&#8221; button_one_border_width__hover=&#8221;null&#8221; button_two_border_width__hover_enabled=&#8221;off&#8221; button_two_border_width__hover=&#8221;null&#8221; button_border_color__hover_enabled=&#8221;off&#8221; button_border_color__hover=&#8221;null&#8221; button_one_border_color__hover_enabled=&#8221;off&#8221; button_one_border_color__hover=&#8221;null&#8221; button_two_border_color__hover_enabled=&#8221;off&#8221; button_two_border_color__hover=&#8221;null&#8221; button_border_radius__hover_enabled=&#8221;off&#8221; button_border_radius__hover=&#8221;null&#8221; button_one_border_radius__hover_enabled=&#8221;off&#8221; button_one_border_radius__hover=&#8221;null&#8221; button_two_border_radius__hover_enabled=&#8221;off&#8221; button_two_border_radius__hover=&#8221;null&#8221; button_letter_spacing__hover_enabled=&#8221;off&#8221; button_letter_spacing__hover=&#8221;null&#8221; button_one_letter_spacing__hover_enabled=&#8221;off&#8221; button_one_letter_spacing__hover=&#8221;null&#8221; button_two_letter_spacing__hover_enabled=&#8221;off&#8221; button_two_letter_spacing__hover=&#8221;null&#8221; button_bg_color__hover_enabled=&#8221;off&#8221; button_bg_color__hover=&#8221;null&#8221; button_one_bg_color__hover_enabled=&#8221;off&#8221; button_one_bg_color__hover=&#8221;null&#8221; button_two_bg_color__hover_enabled=&#8221;off&#8221; button_two_bg_color__hover=&#8221;null&#8221; \/][et_pb_text admin_label=&#8221;Related posts&#8221; _builder_version=&#8221;3.0.106&#8243; background_layout=&#8221;light&#8221; locked=&#8221;on&#8221; parent_locked=&#8221;off&#8221;]<\/p>\n<h1>Related<\/h1>\n<!-- relpost-thumb-wrapper --><div class=\"relpost-thumb-wrapper\"><!-- filter-class --><div class=\"relpost-thumb-container\"><h3>Related posts:<\/h3><div style=\"clear: both\"><\/div><div style=\"clear: both\"><\/div><!-- relpost-block-container --><div class=\"relpost-block-container relpost-block-column-layout\" style=\"--relposth-columns: 3;--relposth-columns_t: 2; --relposth-columns_m: 2\"><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/03\/30\/evaluating-transmission-risk-in-unique-workplaces-pilot-study-of-a-victorian-prison\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-hidden=\"true\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/03\/droplet-dispersal-blog-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">Evaluating transmission risk in unique workplaces: pilot study of a Victorian prison<\/h2><\/div><\/div><\/a><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/07\/14\/behavioral-factors-to-effective-use-of-face-coverings-within-retail-consulting-environments\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"A pharmacist assists customers, all are wearing face coverings.\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2022\/11\/customer-in-chemist-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">Behavioral factors to effective use of face coverings within retail consulting environments<\/h2><\/div><\/div><\/a><a href=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/2022\/07\/14\/virus-watch-study-findings-report-2\/\"class=\"relpost-block-single\" ><div class=\"relpost-custom-block-single\"><div class=\"relpost-block-single-image rpt-lazyload\" aria-label=\"image of person working at a laptop with business graphics overlayed\" role=\"img\" data-bg=\"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-content\/uploads\/sites\/276\/2021\/05\/analysing-data-150x150.jpg\" style=\"background: transparent no-repeat scroll 0% 0%; width: 150px; height: 150px; aspect-ratio: 1\/1;\"><\/div><div class=\"relpost-block-single-text\"  style=\"height: 75px;font-family: Arial;  font-size: 12px;  color: #333333;\"><h2 class=\"relpost_card_title\">Virus Watch Study Findings - Report 2<\/h2><\/div><\/div><\/a><\/div><!-- close relpost-block-container --><div style=\"clear: both\"><\/div><\/div><!-- close filter class --><\/div><!-- close relpost-thumb-wrapper -->\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][et_pb_sidebar _builder_version=&#8221;3.0.106&#8243; area=&#8221;sidebar-1&#8243; orientation=&#8221;left&#8221; show_border=&#8221;off&#8221; background_layout=&#8221;light&#8221; locked=&#8221;on&#8221; \/][\/et_pb_column][\/et_pb_section][et_pb_section bb_built=&#8221;1&#8243; _builder_version=&#8221;3.11.1&#8243; background_color=&#8221;#1d1d1d&#8221; prev_background_color=&#8221;#ffffff&#8221; global_module=&#8221;1519&#8243;][et_pb_row admin_label=&#8221;row&#8221; global_parent=&#8221;1519&#8243; parallax_method_1=&#8221;off&#8221; parallax_method_2=&#8221;off&#8221; parallax_method_3=&#8221;off&#8221; module_id=&#8221;footer-row&#8221; _builder_version=&#8221;3.0.89&#8243;][et_pb_column type=&#8221;1_3&#8243;][et_pb_text admin_label=&#8221;Address Title&#8221; global_parent=&#8221;1519&#8243; _builder_version=&#8221;3.17.6&#8243; text_text_color=&#8221;#ffffff&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; background_layout=&#8221;dark&#8221;]<\/p>\n<p style=\"color: #fff !important;font-size: 1.3em;font-weight: 600\">Contact Us<\/p>\n<p>[\/et_pb_text][et_pb_text admin_label=&#8221;Address&#8221; global_parent=&#8221;1519&#8243; module_id=&#8221;address&#8221; module_class=&#8221;contact-us&#8221; _builder_version=&#8221;3.17.6&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; background_layout=&#8221;dark&#8221; use_border_color=&#8221;off&#8221; border_color=&#8221;#ffffff&#8221; border_style=&#8221;solid&#8221;]<\/p>\n<p>Email:\u00a0<span style=\"text-decoration: underline\"><a href=\"mailto:PROTECT@hse.gov.uk\" target=\"_blank\" rel=\"noopener noreferrer\">PROTECT@hse.gov.uk<\/a><\/span><\/p>\n<p>Health &amp; Safety Executive \u2013 Science Division<br \/>Harpur Hill<br \/>Buxton<br \/>SK17 9JN<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][et_pb_text admin_label=&#8221;Connect Title&#8221; global_parent=&#8221;1519&#8243; _builder_version=&#8221;3.17.6&#8243; text_text_color=&#8221;#ffffff&#8221; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; background_layout=&#8221;dark&#8221;]<\/p>\n<p style=\"color: #fff !important;font-size: 1.3em;font-weight: 600\">Connect with us<\/p>\n<p>[\/et_pb_text][et_pb_code admin_label=&#8221;Social Media&#8221; global_parent=&#8221;1519&#8243; _builder_version=&#8221;3.17.6&#8243;]<\/p>\n<ul class=\"inlineList footer-socialIcons\"><!-- [et_pb_line_break_holder] --><\/p>\n<li><!-- [et_pb_line_break_holder] --> <a href=\"https:\/\/twitter.com\/PROTECT_NCS\"><!-- [et_pb_line_break_holder] --> <img loading=\"lazy\" decoding=\"async\" class=\"lazy\" src=\"\/\/assets.manchester.ac.uk\/phase1\/templates\/images\/icon-twitter-50.png\" alt=\"Twitter page for the PROTECT National Core Study.\" width=\"40\" height=\"40\" \/><!-- [et_pb_line_break_holder] --> <\/a><!-- [et_pb_line_break_holder] --><\/li>\n<p><!-- [et_pb_line_break_holder] --><\/p>\n<li><!-- [et_pb_line_break_holder] --> <a href=\"https:\/\/www.youtube.com\/channel\/UCU8kCv9oZAJCNrP3KZmRgTQ\"><!-- [et_pb_line_break_holder] --> <img loading=\"lazy\" decoding=\"async\" class=\"lazy\" src=\"\/\/assets.manchester.ac.uk\/phase1\/templates\/images\/icon-youtube-50.png\" alt=\"YouTube channel for the PROTECT project.\" width=\"40\" height=\"40\" \/><!-- [et_pb_line_break_holder] --> <\/a><!-- [et_pb_line_break_holder] --><\/li>\n<p><!-- [et_pb_line_break_holder] --><\/ul>\n<p>[\/et_pb_code][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243;][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This report from theme 2 researchers of the PROTECT NCS, details experimental studies designed to investigate the performance of a new facemask design with impactor plate capabilities for segregating aerosols and droplets by size. This includes collecting and analysing the particle size distributions, temperature and relative humidity monitoring in each section of the face mask [&hellip;]<\/p>\n","protected":false},"author":4299,"featured_media":2865,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[19,62],"tags":[33,36,29,16],"class_list":["post-3854","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reports","category-theme-2-transmission-modelling","tag-covid-19","tag-face-coverings","tag-protect","tag-transmission"],"_links":{"self":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts\/3854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/users\/4299"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/comments?post=3854"}],"version-history":[{"count":3,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts\/3854\/revisions"}],"predecessor-version":[{"id":3857,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/posts\/3854\/revisions\/3857"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/media\/2865"}],"wp:attachment":[{"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/media?parent=3854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/categories?post=3854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.manchester.ac.uk\/covid19-national-project\/wp-json\/wp\/v2\/tags?post=3854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}