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10.1016/j.jhazmat.2020.122609 http://scihub22266oqcxt.onion/10.1016/j.jhazmat.2020.122609 32361671!7152903!32361671     free     free     free Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Hazard+Mater 2020 ; 397 (ä): 122609 Nephropedia Template TP {{tp|p=32361671|t=2020. Transmission of pathogen-laden expiratory droplets in a coach bus |pdf=|usr=}}{{32361671}} gab.com Text Transmission of pathogen-laden expiratory droplets in a coach bus JO: J Hazard Mater http://www.kidney.de/pget.php?&tw=1&pmid=32361671 #FOAvip Droplet dispersion carrying viruses/bacteria in enclosed/crowded buses may induce transmissions of respiratory infectious diseases, but the influencing mechanisms have been rarely investigated. By conducting high-resolution CFD simulations, this paper investigates the evaporation and transport of solid-liquid mixed droplets (initial diameter 10 mum and 50 mum, solid to liquid ratio is 1:9) exhaled in a coach bus with 14 thermal manikins. Five air-conditioning supply directions and ambient relative humidity (RH = 35 % and 95 %) are considered. Results show that ventilation effectiveness, RH and initial droplet size significantly influence droplet transmissions in coach bus. 50 mum droplets tend to evaporate completely within 1.8 s and 7 s as RH = 35 % and 95 % respectively, while 0.2 s or less for 10 mum droplets. Thus 10 mum droplets diffuse farther with wider range than 50 mum droplets which tend to deposit more on surfaces. Droplet dispersion pattern differs due to various interactions of gravity, ventilation flows and the upward thermal body plume. The fractions of droplets suspended in air, deposited on wall surfaces are quantified. This study implies high RH, backward supply direction and passengers sitting at nonadjacent seats can effectively reduce infection risk of droplet transmission in buses. Besides taking masks, regular cleaning is also recommended since 85 %-100 % of droplets deposit on object surfaces. Twit Text FOAVip Transmission of pathogen-laden expiratory droplets in a coach bus ????J Hazard Mater http://www.kidney.de/pget.php?&tw=1&pmid=32361671 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=32361671 #FOAvip English Wikipedia <ref>{{Cite pmid|32361671}}</ref> Transmission of pathogen-laden expiratory droplets in a coach bus #MMPMID32361671 Yang X; Ou C; Yang H; Liu L; Song T; Kang M; Lin H; Hang J J Hazard Mater 2020[Oct]; 397 (ä): 122609 PMID32361671show ga Droplet dispersion carrying viruses/bacteria in enclosed/crowded buses may induce transmissions of respiratory infectious diseases, but the influencing mechanisms have been rarely investigated. By conducting high-resolution CFD simulations, this paper investigates the evaporation and transport of solid-liquid mixed droplets (initial diameter 10 mum and 50 mum, solid to liquid ratio is 1:9) exhaled in a coach bus with 14 thermal manikins. Five air-conditioning supply directions and ambient relative humidity (RH = 35 % and 95 %) are considered. Results show that ventilation effectiveness, RH and initial droplet size significantly influence droplet transmissions in coach bus. 50 mum droplets tend to evaporate completely within 1.8 s and 7 s as RH = 35 % and 95 % respectively, while 0.2 s or less for 10 mum droplets. Thus 10 mum droplets diffuse farther with wider range than 50 mum droplets which tend to deposit more on surfaces. Droplet dispersion pattern differs due to various interactions of gravity, ventilation flows and the upward thermal body plume. The fractions of droplets suspended in air, deposited on wall surfaces are quantified. This study implies high RH, backward supply direction and passengers sitting at nonadjacent seats can effectively reduce infection risk of droplet transmission in buses. Besides taking masks, regular cleaning is also recommended since 85 %-100 % of droplets deposit on object surfaces. |*Exhalation[MESH] |*Ventilation[MESH]Transmission of pathogen-laden expiratory droplets in a coach bus (epmc).pdf DeepDyve Pubget Overpricing