Verification of the integrity of barriers using gas diffusion

Ward, David B.; Williams, C.V.

doi:10.2172/505266

1997

DOI: 10.2172/505266

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Verification of the integrity of barriers using gas diffusion

David B. Ward¹,

C.V. Williams²

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Cited by 2 publications

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A Study on the Contaminant Dispersion from Isolation Ward under Abnormal Operation of Facilities

Park

Sung

2015

Energy Procedia

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Due to the recent outbreaks of infectious diseases, such as severe acute respiratory syndrome (SARS), Influenza and Ebola, isolation facilities have played an important role to prevent infectious diseases from spreading at initial stage. An isolation ward is a facility to isolate patients physically and to care them safely. One way to isolate a patient physically is to build a negative pressure isolation facility. However, unexpected failure or misuse of such facility makes it difficult to maintain negative pressure and eventually causes secondary infection, leaking the infectious pathogen to outside of the isolation ward. This study identifies the amount and velocity of leakage air from a patient ward by tracer gas experiment under abnormal operations of an isolation facility. In addition, computational fluid dynamics (CFD) allowed us to observe the outflow mechanism of pollutant. The results show that abnormal operations of a facility spreads pathogens to neighboring areas immediately and timely actions should be prepared against them.

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A Study on the Contaminant Dispersion from Isolation Ward under Abnormal Operation of Facilities

Park

Sung

2015

Energy Procedia

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Development of a remote analysis method for underground ventilation systems using tracer gas and CFD in a simplified laboratory apparatus

Luxbacher

Ragab

et al. 2013

Tunnelling and Underground Space Technology

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Verification of the integrity of barriers using gas diffusion

Cited by 2 publications

References 10 publications

A Study on the Contaminant Dispersion from Isolation Ward under Abnormal Operation of Facilities

A Study on the Contaminant Dispersion from Isolation Ward under Abnormal Operation of Facilities

Development of a remote analysis method for underground ventilation systems using tracer gas and CFD in a simplified laboratory apparatus

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