{"id":22379,"date":"2025-02-10T10:24:37","date_gmt":"2025-02-10T09:24:37","guid":{"rendered":"https:\/\/informacjainstal.com.pl\/artykul\/sprawnosc-operacyjna-jako-miara-skutecznosci-wentylacji-naturalnej-garazu-otwartego\/"},"modified":"2025-02-10T10:28:22","modified_gmt":"2025-02-10T09:28:22","slug":"operational-uptime-as-performance-based-measure-of-natural-ventilation-in-an-open-car-park","status":"publish","type":"artykul","link":"https:\/\/informacjainstal.com.pl\/en\/article\/operational-uptime-as-performance-based-measure-of-natural-ventilation-in-an-open-car-park\/","title":{"rendered":"Operational uptime as performance-based measure of natural ventilation in an open car park"},"content":{"rendered":"<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n<!--themify_builder_content-->\n<div id=\"themify_builder_content-22379\" data-postid=\"22379\" class=\"themify_builder_content themify_builder_content-22379 themify_builder tf_clear\">\n                    <div  data-lazy=\"1\" class=\"module_row themify_builder_row tb_1t9p028 tb_first tf_w\">\n                        <div class=\"row_inner col_align_top tb_col_count_1 tf_box tf_rel\">\n                        <div  data-lazy=\"1\" class=\"module_column tb-column col-full tb_6y6c257 first\">\n                    <!-- module buttons -->\n<div  class=\"module module-buttons tb_v7x7122 buttons-horizontal solid  squared\" data-lazy=\"1\">\n        <div class=\"module-buttons-item tf_in_flx\">\n                        <a href=\"https:\/\/informacjainstal.com.pl\/wp-content\/uploads\/2025\/02\/art.3.pdf\" class=\"ui builder_button tf_in_flx themify_lightbox tb_default_color\" >\n                                                Read more                                        <\/a>\n                <\/div>\n            <\/div>\n<!-- \/module buttons -->\n        <\/div>\n                        <\/div>\n        <\/div>\n        <\/div>\n<!--\/themify_builder_content-->","protected":false},"excerpt":{"rendered":"<p>192 CFD simulations of an open car park fire under wind conditions were conducted to assess the efficiency of natural ventilation. In the majority of considered cases, natural ventilation was ineffective. The influence of wind direction on ventilation performance was observed. Using historical wind data, the percentage of time during which the outcomes were acceptable was estimated. This value was termed operational uptime and amounted to 87.62% for a fire with a heat release rate of 1.4 MW; 40.30% for 4.0 MW; 36.39% for 6.0 MW; and 14.24% for 8.8 MW.<\/p>\n","protected":false},"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":[],"tags":[995,4590,1350,4589,2551],"tematyka":[578],"class_list":["post-22379","artykul","type-artykul","status-publish","hentry","tag-cfd","tag-heat-control","tag-natural-ventilation","tag-open-car-park","tag-smoke-control","tematyka-fire-protection-installations","has-post-title","has-post-date","has-post-category","has-post-tag","has-post-comment","has-post-author",""],"ptb_metabox":{"ptb_artykul_text_1":["BARTOSZ MIECH\u00d3WKA","WOJCIECH W\u0118GRZY\u0143SKI","PAULINA JAMI\u0143SKA-GADOMSKA","GRZEGORZ KRAJEWSKI"],"ptb_artykul_text_2":"10.36119\/15.2025.1.3","ptb_artykul_numer_miesi_cznika":"1\/2025 Instal pp.23-28","ptb_artykul_info_autor":"mgr in\u017c. Bartosz Miech\u00f3wka https:\/\/orcid.org\/0000-0002-4680-9863, dr hab. in\u017c. Wojciech. W\u0119grzy\u0144ski prof. ITB https:\/\/orcid.org\/0000- 0002-7465-0212, dr in\u017c. Paulina Jami\u0144ska-Gadomska https:\/\/orcid.org\/0000-0003-2205-6526, dr in\u017c. Grzegorz Krajewski https:\/\/orcid. org\/0000-0003-1016-7616 \u2012 Instytut Techniki Budowlanej (ITB), Zak\u0142ad Bada\u0144 Ogniowych, Warszawa, Polska.\r\nCorresponding author: w.wegrzynski@itb.pl, +48 696 061 589","ptb_artykul_orcid":["0000-0002-4680-9863","0000- 0002-7465-0212","0000-0003-2205-6526","0000-0003-1016-7616"]},"ptb_taxonomy":{"post_tag":[{"term_id":995,"name":"CFD","slug":"cfd","term_group":0,"term_taxonomy_id":995,"taxonomy":"post_tag","description":"","parent":0,"count":19,"filter":"raw"},{"term_id":4590,"name":"heat control","slug":"heat-control","term_group":0,"term_taxonomy_id":4590,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":1350,"name":"natural ventilation","slug":"natural-ventilation","term_group":0,"term_taxonomy_id":1350,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":4589,"name":"open car park","slug":"open-car-park","term_group":0,"term_taxonomy_id":4589,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2551,"name":"smoke control","slug":"smoke-control","term_group":0,"term_taxonomy_id":2551,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"}],"tematyka":[{"term_id":578,"name":"Fire protection installations","slug":"fire-protection-installations","term_group":0,"term_taxonomy_id":578,"taxonomy":"tematyka","description":"","parent":0,"count":15,"filter":"raw"}]},"ptb_featured_image":null,"builder_content":"<a href=\"https:\/\/informacjainstal.com.pl\/wp-content\/uploads\/2025\/02\/art.3.pdf\" > Read more <\/a>","_links":{"self":[{"href":"https:\/\/informacjainstal.com.pl\/en\/wp-json\/wp\/v2\/artykul\/22379","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/informacjainstal.com.pl\/en\/wp-json\/wp\/v2\/artykul"}],"about":[{"href":"https:\/\/informacjainstal.com.pl\/en\/wp-json\/wp\/v2\/types\/artykul"}],"wp:attachment":[{"href":"https:\/\/informacjainstal.com.pl\/en\/wp-json\/wp\/v2\/media?parent=22379"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/informacjainstal.com.pl\/en\/wp-json\/wp\/v2\/tags?post=22379"},{"taxonomy":"tematyka","embeddable":true,"href":"https:\/\/informacjainstal.com.pl\/en\/wp-json\/wp\/v2\/tematyka?post=22379"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}