CFD Analysis of a V-Shaped Desktop Fan for Near-field Control of Infected Respiratory Cloud

Open Access

Issue		E3S Web Conf. Volume 672, 2025 The 17^th ROOMVENT Conference (ROOMVENT 2024)


Article Number		07004
Number of page(s)		6
Section		Poster Articles: Health Aspects, Pollution, IAQ
DOI		https://doi.org/10.1051/e3sconf/202567207004
Published online		05 December 2025

L. Liu, Y. Li, P. V. Nielsen, J. Wei, and R. L. Jensen, “Short‐range airborne transmission of expiratory droplets between two people,” Indoor Air, vol. 27, no. 2, pp. 452–462, 2017. [Google Scholar]
Center for Disease Control and Prevention, “Healthcare Infection Control Practices Advisory Committee (HICPAC): Guidelines for Environmental Infection Control in Health- Care Facilities,” U.S. Dep. Heal. Hum. Serv. Centers Dis. Control Prev. Atlanta, GA 30329, no. July, pp. 1–235, 2019, [Online]. Available: http://www.cdc.gov/hicpac/pdf/guidelines/eic_i n_hcf_03.pdf. [Google Scholar]
World Health Organization, Roadmap to improve and ensure good indoor ventilation in the context of COVID-19. 2021. [Google Scholar]
B. J. Wachenfeldt, M. Mysen, and P. G. Schild, “Air flow rates and energy saving potential in schools with demand-controlled displacement ventilation,” Energy Build., vol. 39, no. 10, pp. 1073–1079, 2007. [Google Scholar]
L. Morawska et al., “How can airborne transmission of COVID-19 indoors be minimised?,” Environ. Int., vol. 142, p. 105832, 2020. [CrossRef] [Google Scholar]
W. Chen, N. Zhang, J. Wei, H.-L. Yen, and Y. Li, “Short-range airborne route dominates exposure of respiratory infection during close contact,” Build. Environ., vol. 176, p. 106859, 2020. [Google Scholar]
S. Rayegan et al., “A review on indoor airborne transmission of COVID-19–modelling and mitigation approaches,” J. Build. Eng., p. 105599, 2022. [Google Scholar]
B. Zhao, Y. Liu, and C. Chen, “Air purifiers: A supplementary measure to remove airborne SARS-CoV-2,” Build. Environ., vol. 177, p. 106918, 2020. [Google Scholar]
D. Al Assaad, K. Ghali, N. Ghaddar, E. Katramiz, and S. Ghani, “Evaluation of different personalized ventilation air terminal devices: Inhalation vs. clothing-mediated exposures,” Build. Environ., vol. 192, p. 107637, 2021. [Google Scholar]
“RESIDENTIAL AIR CLEANERS A Technical Summary- 3rd Edition Portable Air Cleaners Furnace and HVAC Filters.” https://www.epa.gov/sites/default/files/2018- 07/documents/residential_air_cleaners_-_a_technical_summary_3rd_edition.pdf (accessed Nov. 15, 2023). [Google Scholar]
G. Cortellessa et al., “Close proximity risk assessment for SARS-CoV-2 infection,” Sci. Total Environ., vol. 794, p. 148749, 2021. [CrossRef] [Google Scholar]
G. R. Johnson et al., “Modality of human expired aerosol size distributions,” J. Aerosol Sci., vol. 42, no. 12, pp. 839–851, 2011. [Google Scholar]
A. Bayram and A. Korobenko, “Modelling the transport of expelled cough particles using an Eulerian approach and the variational multiscale method,” Atmos. Environ., vol. 271, p. 118857, 2022. [Google Scholar]
J. Wei and Y. Li, “Airborne spread of infectious agents in the indoor environment,” Am. J. Infect. Control, vol. 44, no. 9, pp. S102–S108, 2016, doi: 10.1016/j.ajic.2016.06.003. [CrossRef] [Google Scholar]
S. Sun, J. Li, and J. Han, “How human thermal plume influences near-human transport of respiratory droplets and airborne particles: a review,” Environ. Chem. Lett., vol. 19, pp. 1971–1982, 2021. [Google Scholar]
Q. He, J. Niu, N. Gao, T. Zhu, and J. Wu, “CFD study of exhaled droplet transmission between occupants under different ventilation strategies in a typical office room,” Build. Environ., vol. 46, no. 2, pp. 397–408, 2011. [Google Scholar]
S. Seepana and A. C. K. Lai, “Experimental and numerical investigation of interpersonal exposure of sneezing in a full-scale chamber,” Aerosol Sci. Technol., vol. 46, no. 5, pp. 485–493, 2012. [Google Scholar]
X. Xie, Y. Li, A. T. Y. Chwang, P. L. Ho, and W. H. Seto, “How far droplets can move in indoor environments-revisiting the Wells evaporation-falling curve,” Indoor Air, vol. 17, no. 3, pp. 211–225, 2007. [Google Scholar]
H. Rasam, V. Gentile, M. Simonetti, and P. Tronville, “Local control of near-field diffusion of infected respiratory cloud in a room by air-blades,” in Journal of Physics: Conference Series, 2023, vol. 2654, no. 1, p. 12088. [Google Scholar]

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