TY - GEN
T1 - MODELING A NOVEL METHOD TO DIMINISH AIRBORNE COVID-19 TRANSMISSION IN A HOSPITAL ROOM
AU - Prichard, Reid
AU - Strasser, Wayne
AU - Leonard, Scott
AU - Walsh, Brian
N1 - Publisher Copyright:
© 2021 Begell House Inc.. All rights reserved.
PY - 2021
Y1 - 2021
N2 - In this paper, we used a computational fluid dynamics model to evaluate the effects of a novel medical apparatus (“Felix-1”) on the spread of contagion in a hospital room. We found that Felix-1, consisting of nasal cannula and an oxygen mask, captured 96% of the mass of exhaled particles ranging from 0.1µm to 100µm. This is more effective than a surgical mask. It was less effective at capturing small particles, but their mass is insubstantial. The caregivers inhaled only 24 parts per billion of particle mass exhaled by the patients. Our model included a full hospital room with two patients and four caregivers, each represented using medical imagery and realistic nonuniform breathing rate curves. Room ventilation was also modeled, and we allowed over a minute of flow time for the room to reach quasi-steady-state, which we evaluated using flow statistics and particle tracking results.
AB - In this paper, we used a computational fluid dynamics model to evaluate the effects of a novel medical apparatus (“Felix-1”) on the spread of contagion in a hospital room. We found that Felix-1, consisting of nasal cannula and an oxygen mask, captured 96% of the mass of exhaled particles ranging from 0.1µm to 100µm. This is more effective than a surgical mask. It was less effective at capturing small particles, but their mass is insubstantial. The caregivers inhaled only 24 parts per billion of particle mass exhaled by the patients. Our model included a full hospital room with two patients and four caregivers, each represented using medical imagery and realistic nonuniform breathing rate curves. Room ventilation was also modeled, and we allowed over a minute of flow time for the room to reach quasi-steady-state, which we evaluated using flow statistics and particle tracking results.
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U2 - 10.1615/TFEC2021.cnd.36776
DO - 10.1615/TFEC2021.cnd.36776
M3 - Conference contribution
AN - SCOPUS:85137419483
T3 - Proceedings of the Thermal and Fluids Engineering Summer Conference
SP - 617
EP - 625
BT - 5th-6th Thermal and Fluids Engineering Conference, TFEC 2021
PB - Begell House Inc.
T2 - 5th-6th Thermal and Fluids Engineering Conference, TFEC 2021
Y2 - 26 May 2021 through 28 May 2021
ER -