내압방폭구조에서 수소-공기와 아세틸렌-공기 혼합가스의 폭발압력과 상대습도의 상관관계 분석
(주)코리아스칼라
- 최초 등록일
- 2023.04.03
- 최종 저작일
- 2022.12
- 7페이지/ 어도비 PDF
- 가격 4,000원
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서지정보
ㆍ발행기관 : 대한안전경영과학회
ㆍ수록지정보 : 대한안전경영과학회지 / 24권 / 4호
ㆍ저자명 : 김용태, 정기효
목차
Abstract
1. 서 론
2. 실험 방법
2.1 실험 장치
2.2 실험 절차
3. 실험 결과
3.1 수소 혼합가스
3.2 아세틸렌 혼합가스
4. 실험결과논의
5. 결론 및 향후 연구과제
6. References
영어 초록
To test a flameproof enclosure for the safety certificate, a reference pressure of explosion needs to be determined. However, the explosion pressure may be changed according to relative humidity of explosive gases. Therefore, the guideline on relative humidity should be recommended for measuring the explosion pressure for accurate and reproducible testings. This study examined the relationship of explosion pressure with relative humidity of hydrogen (31 vol %)-air and acetylene (14 vol %)-air mixture gases. The explosion pressures were measured by increasing the relative humidity of the gases by 10 % from dry state to 80 % in a cylindrical explosion enclosure of 2.3 L. on ambient temperature and atmospheric pressure (1 atm). The maximum explosive pressures were remained almost constant until the relative humidity reached 10 % for the hydrogen-air mixture and 20 % for the acetylene-air mixture. However, the maximum explosive pressures linearly decreased as the relative humidity increased. Based on the results of the study, it would be recommended to use 10 % relative humidity for the hydrogen-air mixture and 20 % for the acetylene-air mixture as the critical value in testing a flameproof enclosure.
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