Investigation of Coronavirus Deposition in Realistic Human Nasal Cavity and Impact of Social Distancing to Contain COVID-19:A Computational Fluid Dynamic Approach

Mohammad Zuber; John Valerian Corda; Milad Ahmadi; BSatish Shenoy; Irfan Anjum Badruddin; Ali E.Anqi; Kamarul Arifin Ahmad; S.M.Abdul Khader; Leslie Lewis; Mohammad Anas Khan; Sarfaraz Kamangar

首页> 中文期刊> 《工程与科学中的计算机建模（英文）》 >Investigation of Coronavirus Deposition in Realistic Human Nasal Cavity and Impact of Social Distancing to Contain COVID-19:A Computational Fluid Dynamic Approach

Investigation of Coronavirus Deposition in Realistic Human Nasal Cavity and Impact of Social Distancing to Contain COVID-19:A Computational Fluid Dynamic Approach

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The novel coronavirus responsible for COVID-19 has spread to several countries within a considerably short period.The virus gets deposited in the human nasal cavity and moves to the lungs that might be fatal.As per safety guidelines by theWorld Health Organization(WHO),social distancing has emerged as one of the major factors to avoid the spread of infection.However,different guidelines are being followed across the countries with regards to what should be the safe distance.Thus,the current work is an attempt to understand the virus deposition pattern in the realistic human nasal cavity and also to find the impact of distance that could be termed as a safety measure.This study is performed usingComputationalFluid Dynamics as a solution tool to investigate the impact of COVID-19 deposition(i)On a realistic 3D human upper airway model and(ii)2D social distancing protocol for a distance of 0.6,1.2,1.8,and 2.4 m.The results revealed that the regional deposition flux within the nasal cavity was predominantly observed in the external nasal cavity and nasopharyngeal section.Frequent flushing of these regions with saltwater substitutes can limit contamination in healthy individuals.The safe distancing limit estimated with 1 m/s airflow was about 1.8 m.The extensive deposition was observed for distances less than 1.8 m in this study,emphasizing the fact that social distancing advisories are not useful and do not take into account the external dynamics associated with airflow.

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《工程与科学中的计算机建模（英文）》 |2020年第12期|1185-1199|共15页
作者
Mohammad Zuber; John Valerian Corda; Milad Ahmadi; BSatish Shenoy; Irfan Anjum Badruddin; Ali E.Anqi; Kamarul Arifin Ahmad; S.M.Abdul Khader; Leslie Lewis; Mohammad Anas Khan; Sarfaraz Kamangar;
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作者单位

Department of Aeronautical&Automobile Engineering Institute of Technology Academy of Higher Education;

Department of Mechanics of Solids and Systems of Engineering Technology of Twente Netherlands;

Mechanical Engineering Department of Engineering Khalid University Arabia;

Department of Aerospace Engineering Putra Malaysia;

Department of Mechanical and Manufacturing Engineering Institute of Technology Academy of Higher Education;

Department of Paediatrics Medical College&Hospital;

Department of Mechanical Engineering Millia Islamia;

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原文格式 PDF
正文语种 chi
中图分类医学微生物学（病原细菌学、病原微生物学）;
关键词
COVID-19; upper respiratory tract; virus deposition; social distancing;

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Investigation of Coronavirus Deposition in Realistic Human Nasal Cavity and Impact of Social Distancing to Contain COVID-19:A Computational Fluid Dynamic Approach

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