CFD simulations guided prevention and mitigation of Airborne Disease Transmission
CFD simulations guided prevention and mitigation of Airborne Disease Transmission
批准号:
22K10596
负责人:
BALE RAHUL
金额:
$2.66万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2022
资助国家:
日本
项目状态:
未结题
起止时间:
2022-04-01 至 2025-03-31
中文摘要
这项研究成功地纳入了室内空间的建模,无论大小,包括通风和空调系统等关键因素。这是通过扩展IBM框架在域内施加任意边界条件来实现的,克服了IBM在这方面的固有限制。最后,研究开发了液滴-表面相互作用的稳健模型,这是影响液滴扩散和吸入的关键因素,对于研究口罩和面罩等预防措施的有效性至关重要。该模型封装了不同网格尺寸下的相互作用,并考虑了液滴大小、对壁面相互作用的依赖性和气溶胶的分子力等因素。
英文摘要
The research has successfully incorporated the modeling of indoor spaces, irrespective of size, including critical factors such as ventilation and air-conditioning systems.This has been achieved by extending the IBM framework to impose arbitrary boundary conditions within the domain, overcoming the inherent limitations of the IBM in this respect.Lastly, the research has developed a robust model for droplet-surface interaction, a key factor influencing droplet dispersion and inhalation, vital for studying the effectiveness of preventive measures such as masks and face shields. This model encapsulates the interaction at various mesh sizes and accounts for factors such as droplet size dependency on wall-interaction and molecular forces for aerosols.
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