Risk of exposure to an airborne pathogen for bus passengers

Pao Yue-kong Library Electronic Theses Database

Risk of exposure to an airborne pathogen for bus passengers

 

Author: Shu, Tong
Title: Risk of exposure to an airborne pathogen for bus passengers
Degree: M.Eng.
Year: 2015
Subject: Airborne infection.
Transportation -- Health aspects.
Hong Kong Polytechnic University -- Dissertations
Department: Dept. of Building Services Engineering
Pages: 69 pages : color illustrations
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b2826121
URI: http://theses.lib.polyu.edu.hk/handle/200/8217
Abstract: The Wells-Riley mathematical equation integrated with a CFD-based numerical model has become an important tool to assess the risk of transmission of airborne influenza infection especially in the public transportation,e.g. the bus microenvironment. A number of studies discovered that the air-conditioning bus and non-air-condition bus had different transmission route of the airborne influenza,and the risk of being inflected was different. The location of return/ exhaust opening and seat arrangement in bus was also a big factor to the risk of being infected for passengers. Overall,Computational Fluid Dynamics (CFD) can provide simulation model of airflow in bus and use the simulation results and Wells-Riley equation to achieve the aim of estimating the probability of infectious in bus.This numerical model can be an effective tool to assess the risk and assist to provide effective control strategies to airborne pathogen for other public transportation systems,such as trains and airplanes.

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