Use of CFD Analysis in Modifying a TB Ward in Lima, Peru

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Abstract
The high world-wide prevalence of tuberculosis (TB) and the increase in multi-drug resistant strains (MDRTB) have prompted increased interest in engineering control solutions such as ventilation system design and the use of ultraviolet germicidal irradiation (UVGI). This study considers the contribution of the ventilation airflow to the transmission of TB, and uses computational fluid dynamics (CFD) simulations to examine how changes in the design of a ward, in Hospital Nacional Dos de Mayo, Lima, Peru may reduce the transmission of TB from patients to health-care workers, visitors and other patients. The results of this study were used to advise the architects and engineers in the remodelling of the ward.