Abstract
The laminar flow air-conditioning system with 100% fresh air is used in almost all operating rooms without discrimination in Turkey. The laminar flow device which is working with 100% fresh air should be absolutely used in Type 1A operating rooms. However, there is not mandatory to use of 100% fresh air for Type 1B defined as places performed simpler operation. Compared with recirculating laminar flow, energy needs of the laminar flow with 100 % fresh air has been emerged about 40% more than re-circulated air flow. Therefore, when a recirculating laminar flow device is operated instead of laminar flow system with 100% fresh air in the Type 1B operating room, annual energy consumption will be reduced. In this study, in an operating room with recirculating laminar flow, optimal conditions have been investigated in order to obtain laminar flow form by analyzing velocity distributions at various supply velocities by using computational fluid dynamics method (CFD).
Highlights
Operating rooms (ORs) are among the most demanding healthcare work areas
Because of reasons aforementioned above, the selection of an appropriate air conditioning system is the first requirement to preserve air quality including remove airborne bacteria, chemicals like waste medical gases used for anesthesia and disinfection and other particles such as skin squames shed by operation team and odors from ORs
This study focuses on a detailed analysis of the air distribution in an operating room under the laminar airflow condition by using computational fluid dynamics method (CFD) analysis method
Summary
Operating rooms (ORs) are among the most demanding healthcare work areas. The infection risks are quite high in these areas In this sense, because the surgical site infection has negative effect on recuperation time or patient mortality and cost of healthcare services, forming of bacteria colony that caused infection should be under control. Because of reasons aforementioned above, the selection of an appropriate air conditioning system is the first requirement to preserve air quality including remove airborne bacteria, chemicals like waste medical gases used for anesthesia and disinfection and other particles such as skin squames shed by operation team and odors from ORs. The quality of air in an operating room is essentially assessed with regard to how effective the air distribution strategy is in minimizing the possibility of risks mentioned above. Environmental factors such as temperature, humidity and air velocity should be steerable through various methods
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