Aerosols, COVID-19 and HVAC

Luke Powell’s presentation to the Louisville ASHRAE Chapter on October 21, 2020

Webinar Recording: Louisville ASHRAE Oct. 2020 Meeting

Notes PDF: Aerosols COVID-19 and HVAC – Notes from Louisville ASHRAE Presentation

Side Deck: Aerosols, COVID-19 & HVAC – Slide Deck


How can airborne transmission of COVID-19 indoors be minimised?

Aerosol and Surface Stability of SARS-CoV-2 as Compared with SARS-CoV-1

Transmission of SARS-CoV-2 by inhalation of respiratory aerosol in the Skagit Valley Chorale superspreading event –

Putting a balance on the aerosolization debate around SARS-CoV-2 –

Short-range airborne route dominates exposure of respiratory infection during close contact

Generation and Behavior of Airborne Particles (Aerosols) –

Filtration Efficiencies of Nanoscale Aerosol by Cloth Mask Materials Used to Slow the Spread of SARS-CoV-2 –

Airborne Transmission of SARS-CoV-2: A Virtual Workshop –

COVID-19 Outbreak Associated with Air Conditioning in Restaurant, Guangzhou, China, 2020 –

If the coronavirus is really airborne, we might be fighting it the wrong way –

The airborne lifetime of small speech droplets and their potential importance in SARS-CoV-2 transmission –

Air, Surface Environmental, and Personal Protective Equipment Contamination by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) From a Symptomatic Patient –

Dynamics of airborne influenza A viruses indoors and dependence on humidity

Enhanced spread of expiratory droplets by turbulence in a cough jet –

Ventilation and laboratory confirmed acute respiratory infection (ARI) rates in college residence halls in College Park, Maryland –

Aerosol emission and superemission during human speech increase with voice loudness

Animal and translational models of SARS-CoV-2 infection and COVID-19 –

Japanese Supercomputer shows humidity effect on COVID-19-

This Overlooked Variable Is the Key to the Pandemic –

SARS-CoV-2 Transmission Dynamics Should Inform Policy –

Efficacy of face masks, neck gaiters and face shields for reducing the expulsion of simulated cough-generated aerosols –

Effects of Internal Partitions on Flow Field and Air Contaminant Distribution under Different Ventilation Modes –

ASHRAE Position Document onInfectious Aerosol –

Americans, we can fight COVID-19 and save lives now. Wear a mask! –

Association Between Universal Masking in a Health Care System and SARS-CoV-2 Positivity Among Health Care Workers –

Particle Size Distribution of Mainstream Tobacco and Marijuana Smoke: Analysis Using the Electrical Aerosol Analyzer –

ASHRAE Position Document on Environmental Tobacco Smoke –

Thirdhand smoke uptake to aerosol particles in the indoor environment –

Scientific Brief: SARS-CoV-2 and Potential Airborne Transmission –

The effect of temperature and humidity on the stability of SARS-CoV-2 and other enveloped viruses –

Could a Janky, Jury-Rigged Air Purifier Help Fight Covid-19?-

Effect of ventilation improvement during a tuberculosis outbreak in underventilated university buildings –