爆炸与冲击2017，Vol.37Issue(4)：766-772,7.DOI:10.11883/1001-1455(2017)04-0766-07
波纹板阻爆燃型阻火器对丙烷-空气预混火焰的淬熄研究
Quenching of crimped ribbon deflagration arrestor by propane-air premixed flame
摘要
Abstract
According to the national standards of oil and gas pipeline fire test in China (GB13347-92),six DN50 crimped ribbon deflagration arrestors belonging to Group Ⅱ A were tested by experiments,and the flameproof velocity of every single arrestor was obtained.The experimental results show that the expansion ratio,the length of the narrow channel and the cross-section of the narrow passage are the three dominant factors that influence the flameproof velocity.Based on this analysis,the relation between the flameproof velocity and the expansion ratio,the thickness of the crimped ribbon element and the cross-section of the narrow passage were presented.The results indicate that the flameproof velocity is proportional to the length of the narrow channels and the square of expansion ratio,whereas it is inversely proportional to the feature size of the cross-section.This study can pro vide guidance in the design and manufacture of crimped ribbon deflagration arrestors.关键词
爆燃阻火器/波纹板/阻火速度/扩张比/狭缝Key words
deflagration arrestors/crimped ribbon/flameproof velocity/expansion ratio/narrow channels分类
数理科学引用本文复制引用
王鲁庆,马宏昊,沈兆武,李雪交..波纹板阻爆燃型阻火器对丙烷-空气预混火焰的淬熄研究[J].爆炸与冲击,2017,37(4):766-772,7.基金项目
国家自然科学基金项目(51674229,51374189) （51674229,51374189）
