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The emergence of the novel coronavirus has led to a global pandemic which has led to the airline industry facing severe losses. For air travel to recover, airlines need to ensure safe air travel. In this paper, the authors have modeled droplet dispersion after a single breath from an index patient. Computational Fluid Dynamics (CFD) simulations are conducted using the k-ωSST turbulence model in ANSYS Fluent. The authors have taken into consideration several parameters such as the size of the mouth opening, the velocity of the cabin air as well as the number of droplets being exhaled by the index patient to ensure a realistic simulation. Preliminary results indicate that after a duration of 20 s, droplets from the index patient disperse within a 10 m2 cabin area. About 75% of the droplets are found disperse for up to 2 m axially behind the index patient. This could possess an enhanced risk to passengers sitting behind the index patient. Ultimately, this paper provides an insight into the potential of CFD to visualise droplet dispersal and give impetus to ensure that necessary mitigating measures can be taken to reduce the risk of infection through droplet dispersal.
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篇名 A Preliminary Numerical Investigation of Airborne Droplet Dispersion in Aircraft Cabins
来源期刊 流体动力学(英文) 学科 经济
关键词 Droplet Dispersal Aircraft Cabin CFD Airborne Transmission
年,卷(期) ltdlxyw_2020,(3) 所属期刊栏目
研究方向 页码范围 198-207
页数 10页 分类号 F56
字数 语种
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Droplet
Dispersal
Aircraft
Cabin
CFD
Airborne
Transmission
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期刊影响力
流体动力学(英文)
季刊
2165-3852
武汉市江夏区汤逊湖北路38号光谷总部空间
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