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[1]袁小会,刘岑,吴元祥,等.单层厚壁圆筒爆破压力的分布规律与参数[J].武汉工程大学学报,2014,(02):49-55.[doi:103969/jissn16742869201402010]
　YUAN Xiao hui,LIU Cen,WU Yuan xiang,et al.Distribution law and parameters of monolayer thickwalled cylinder burst pressure[J].Journal of Wuhan Institute of Technology,2014,(02):49-55.[doi:103969/jissn16742869201402010]
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单层厚壁圆筒爆破压力的分布规律与参数(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年02期
页码:
49-55
栏目:
机电与信息工程
出版日期:
2014-02-28

文章信息/Info

Title:
Distribution law and parameters of monolayer thickwalled cylinder burst pressure
文章编号:
16742869(2014)02004907
作者:
袁小会1; 刘岑2; 吴元祥1; 刘兵1; 刘小宁1; 2*
1.武汉软件工程职业学院机械工程学院，湖北 武汉 430205；2.武汉工程大学机电工程学院，湖北 武汉 430205
Author(s):
YUAN Xiaohui1; LIU Cen2; WU Yuanxiang1; LIU Bing1; LIU Xiaoning1; 2
1.School of Mechanical Engineering,Wuhan Polytechnic College of Software and Engineering,Wuhan 430205,China;2.School of Mechanical and Electrical Engineering,Wuhan Institute of Technology,Wuhan 430205,China
关键词:
单层厚壁圆筒; 爆破压力; 计算公式; 随机变量; 正态分布; 参数区间; 精度指标
Keywords:
monolayer thickwalled cylinder;  burst pressure;  calculation formula;  random variable;  normal distribution;  parameter range;  precision index
分类号:
TH49O213.2
DOI:
103969/jissn16742869201402010
文献标志码:
A
摘要:
基于30组单层厚壁圆筒爆破压力的试验数据，应用似然分析理论与方法，对计算单层厚壁圆筒爆破压力的4个公式进行分析.对于材料屈服强度与抗拉强度之比在0.402 7与0.885 2之间及外半径与内半径之比在1.33和4.71之间的单层厚壁圆筒，在显著度为0.05时，容器爆破压力实测值与4个公式理论值之比，分别是基本符合正态分布的随机变量；在双侧置信度为98%时，分别得到该随机变量分布参数的取值区间.材料屈服强度与抗拉强度之比调整为不小于0.499 7时，分别提高了4个公式的计算精度.在应用范围相同时，4个公式的精度指标各有优劣.
Abstract:
Four calculation formulas of monolayer thickwalled cylinder burst pressure were analyzed by likelihood analysis theory and method based on 30 groups burst pressure test data of monolayer thickwalled cylinder.For monolayer thickwalled cylinder with the ratio of material yield strength to tensile strength between 0.402 7 and 0.885 2 and the ratio of cylinder outer radius to inner radius between 1.33 and 4.71,when the marked was 0.05,the ratio of the burst pressure measured value and the theoretical value,calculated by the four formulas,is random variables with normal distribution.The distributed parameter range is obtained respectively with bilateral confidence of 98%.The precision of four formulas is improved by adjusting the ratio of material yield strength to tensile strength which is not less than 0.499 7.In the same range of application,each precision index of the four formulas has its own advantages and disadvantages.

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备注/Memo

备注/Memo:
收稿日期：20140211基金项目：湖北省教育厅科研项目（B20128801）；获武汉市创新人才开发资金重大创新专项资助作者简介：袁小会(1980)，女，湖北钟祥人，讲师，工程师，硕士.研究方向：机械结构优化设计.*通信联系人
更新日期/Last Update: 2014-03-20