earticle

영어

In recent years, there was many conflagration about special structure such as wooden culturalassets, warehouses and factories. The common causes of increase in the fire damage were difficulty ofthe initial suppression and absence of equipment for appropriate disaster prevention. In this study, thedestruction-spray nozzles, a core technology of destruction-spray fire vehicle which is possible for firesuppression of special structure was studied using the finite element method. As a result, the maximumdeviation of the part nozzle was 18.1% compared with the reference value. Second, the maximumdeviation of the nozzle module was 13.5% compared with the part nozzle. Third, the safety factor aboutinternal pressure of the nozzle module was suitable as 13.6. Finally, the performance of the designeddestruction-spray nozzle was satisfied with 4,652.1L/min in excess of the target performance.