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10.1016/j.buildenv.2021.108042 http://scihub22266oqcxt.onion/10.1016/j.buildenv.2021.108042 34127877!8189751!34127877     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Build+Environ 2021 ; 202 (ä): 108042 Nephropedia Template TP {{tp|p=34127877|t=2021. Ventilation procedures to minimize the airborne transmission of viruses in classrooms |pdf=|usr=}}{{34127877}} gab.com Text Ventilation procedures to minimize the airborne transmission of viruses in classrooms JO: Build Environ http://www.kidney.de/pget.php?&tw=1&pmid=34127877 #FOAvip Reducing the transmission of SARS-CoV-2 through indoor air is the key challenge of the COVID-19 pandemic. Crowded indoor environments, such as schools, represent possible hotspots for virus transmission since the basic non-pharmaceutical mitigation measures applied so far (e.g. social distancing) do not eliminate the airborne transmission mode. There is widespread consensus that improved ventilation is needed to minimize the transmission potential of airborne viruses in schools, whether through mechanical systems or ad-hoc manual airing procedures in naturally ventilated buildings. However, there remains significant uncertainty surrounding exactly what ventilation rates are required, and how to best achieve these targets with limited time and resources. This paper uses a mass balance approach to quantify the ability of both mechanical ventilation and ad-hoc airing procedures to mitigate airborne transmission risk in the classroom environment. For naturally-ventilated classrooms, we propose a novel feedback control strategy using CO(2) concentrations to continuously monitor and adjust the airing procedure. Our case studies show how such procedures can be applied in the real world to support the reopening of schools during the pandemic. Our results also show the inadequacy of relying on absolute CO(2) concentration thresholds as the sole indicator of airborne transmission risk. Twit Text FOAVip Ventilation procedures to minimize the airborne transmission of viruses in classrooms ????Build Environ http://www.kidney.de/pget.php?&tw=1&pmid=34127877 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=34127877 #FOAvip English Wikipedia <ref>{{Cite pmid|34127877}}</ref> Ventilation procedures to minimize the airborne transmission of viruses in classrooms #MMPMID34127877 Stabile L; Pacitto A; Mikszewski A; Morawska L; Buonanno G Build Environ 2021[Sep]; 202 (ä): 108042 PMID34127877show ga Reducing the transmission of SARS-CoV-2 through indoor air is the key challenge of the COVID-19 pandemic. Crowded indoor environments, such as schools, represent possible hotspots for virus transmission since the basic non-pharmaceutical mitigation measures applied so far (e.g. social distancing) do not eliminate the airborne transmission mode. There is widespread consensus that improved ventilation is needed to minimize the transmission potential of airborne viruses in schools, whether through mechanical systems or ad-hoc manual airing procedures in naturally ventilated buildings. However, there remains significant uncertainty surrounding exactly what ventilation rates are required, and how to best achieve these targets with limited time and resources. This paper uses a mass balance approach to quantify the ability of both mechanical ventilation and ad-hoc airing procedures to mitigate airborne transmission risk in the classroom environment. For naturally-ventilated classrooms, we propose a novel feedback control strategy using CO(2) concentrations to continuously monitor and adjust the airing procedure. Our case studies show how such procedures can be applied in the real world to support the reopening of schools during the pandemic. Our results also show the inadequacy of relying on absolute CO(2) concentration thresholds as the sole indicator of airborne transmission risk. äVentilation procedures to minimize the airborne transmission of viruse(epmc).pdf DeepDyve Pubget Overpricing