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

Abstract
 1. 서론
 2. 단품 노즐 선정과 유동해석
  2.1 단품 노즐 선정과 모델링
  2.2 단품 노즐 유동해석
 3. 파괴방수노즐의 모듈화 설계
  3.1 노즐 배열 수량 결정
  3.2 파괴방수노즐의 설계
 4. 파괴방수노즐 모듈 해석
  4.1 파괴방수노즐 모듈 내압해석
  4.2 파괴방수노즐 모듈 유동해석
 5. 결론
 후기
 References

• 장병춘(전북자동차기술원) | B. C. CHANG
• 김영군(전북자동차기술원) | Y. K. KIM
• 노윤식(전북자동차기술원) | Y. S. RO
• 소수현(경일대학교, 소방방재학과) | S. H. SO