{"id":998,"date":"2023-11-13T17:22:41","date_gmt":"2023-11-13T22:22:41","guid":{"rendered":"https:\/\/aeroetslab.ca\/?p=998"},"modified":"2023-11-22T12:22:24","modified_gmt":"2023-11-22T17:22:24","slug":"2021-high-fidelity-cfd-modeling-of-pollutant-dispersion-from-aircraft-auxiliary-power-units-apus-at-a-realistic-airport-and-the-effects-on-airport-air-quality","status":"publish","type":"post","link":"https:\/\/aeroetslab.ca\/en\/2023\/11\/13\/2021-high-fidelity-cfd-modeling-of-pollutant-dispersion-from-aircraft-auxiliary-power-units-apus-at-a-realistic-airport-and-the-effects-on-airport-air-quality\/","title":{"rendered":"(2022) High-fidelity CFD modeling of pollutant dispersion from aircraft auxiliary power units (APUs) at a realistic airport and the effects on airport air quality"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Date de publication: Novembre 2022<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Auteur(s): Mohamed Chouak, S\u00e9bastien Cantin, Patrice Seers, Fran\u00e7ois Garnier<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Journal: Journal of Wind Engineering and Industrial Aerodynamics 2022 (230)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.jweia.2022.105208\">https:\/\/doi.org\/10.1016\/j.jweia.2022.105208<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Abstract<\/h2>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Many studies have investigated air-traffic impact on <a href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/airfield\">airport<\/a> air quality through main-engine emissions, however very few have characterized the APU-related impact. As field-monitoring remains limited, our study used <a href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/computational-fluid-dynamics\">CFD simulations<\/a> to provide a high-fidelity representation of 19 <a href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/auxiliary-power-unit\">APU<\/a> dispersion plumes in a realistic airport configuration. Results of three dominant wind configurations show that the global dispersion plume (from all APUs) was transported by incident winds. Depending on wind direction, pollutant trapping within a large <a href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/downwash\">downwash<\/a> region was observed downstream of the terminal-building. Local differences were observed depending on source locations; emissions within the downwash region were pushed against the terminal-facade which promoted emission spillover on terminal-roof, while plumes within the unperturbed boundary layer were transported by incident winds. Quantitatively, APU pollutant concentrations dropped overall by 3\u20134 orders of magnitude around the terminal-building, while diluted concentrations by 5\u20136 orders of magnitude were monitored at the airport exit. Given source concentrations with an appropriate experimental apparatus, this model can serve as an airport air quality decision-making tool to finely characterize individual source impacts. Such information can help assist airport operation management (taxi to gate\/runway, gate assignment, safe corridors for ground-handling personnel) so as to reduce\/prevent the impact of pollutant hot spots depending on wind configurations.<\/p>","protected":false},"excerpt":{"rendered":"<p>Date de publication: Novembre 2022 Auteur(s): Mohamed Chouak, S\u00e9bastien Cantin, Patrice Seers, Fran\u00e7ois Garnier Journal: Journal of Wind Engineering and Industrial Aerodynamics 2022 (230) DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.jweia.2022.105208\" rel=\"nofollow\">https:\/\/doi.org\/10.1016\/j.jweia.2022.105208<\/a> Abstract Many studies have investigated air-traffic impact on airport air quality through main-engine emissions, however very few have characterized the APU-related impact. As field-monitoring remains limited, our study used [&hellip;]<\/p>\n","protected":false},"author":238496019,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"_crdt_document":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"categories":[6359],"tags":[],"class_list":["post-998","post","type-post","status-publish","format-standard","hentry","category-article-de-journal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>(2022) High-fidelity CFD modeling of pollutant dispersion from aircraft auxiliary power units (APUs) at a realistic airport and the effects on airport air quality - Chaire A\u00e9ropropulsion ETS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aeroetslab.ca\/en\/2023\/11\/13\/2021-high-fidelity-cfd-modeling-of-pollutant-dispersion-from-aircraft-auxiliary-power-units-apus-at-a-realistic-airport-and-the-effects-on-airport-air-quality\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"(2022) High-fidelity CFD modeling of pollutant dispersion from aircraft auxiliary power units (APUs) at a realistic airport and the effects on airport air quality - Chaire A\u00e9ropropulsion ETS\" \/>\n<meta property=\"og:description\" content=\"Date de publication: Novembre 2022 Auteur(s): Mohamed Chouak, S\u00e9bastien Cantin, Patrice Seers, Fran\u00e7ois Garnier Journal: Journal of Wind Engineering and Industrial Aerodynamics 2022 (230) DOI: https:\/\/doi.org\/10.1016\/j.jweia.2022.105208 Abstract Many studies have investigated air-traffic impact on airport air quality through main-engine emissions, however very few have characterized the APU-related impact. 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