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CGAS-1.1中关于气瓶安全泄放量计算方法的再讨论
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Indexed by:期刊论文

Date of Publication:2017-02-28

Journal:压力容器

Volume:34

Issue:2

Page Number:47-50,73

ISSN No.:1001-4837

Key Words:气瓶;安全泄放量;泄放面积;CGAS-1.1

Abstract:气瓶安全泄放量的准确计算是开展气瓶超压泄放设计的基础.比较权威的美国压缩气体协会标准CGAS-1.1对多种类型的气瓶安全泄放量计算作了规定.由于国内较多研究人员对CGAS-1.1标准计算方法不够理解,分析了CGAS-1.1标准中气瓶安全泄放量的计算方法.结果表明,CGAS-1.1标准虽然对采用压力泄放阀以及压力泄放阀以外的气瓶安全泄放量规定了不同的计算公式,但当换算为实际气体的安全泄放量时,其计算公式完全一致.安全泄放量与泄放结构类型无关.简化了气瓶泄放面积的计算方法,发现泄放面积仅与气瓶容积、泄放系数有关,与气瓶内介质种类、特性无关.

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