setting up relation of corrosive quantity and time of corrosived pressure pipelines, setting up model of gm(1,1), and then carry through precise check up, finally study pressure piping reliability.
建立了压力管道受到腐蚀时的腐蚀量与时间的关系,建立gm(1,1)模型,然后对模型进行精度检验,最后对压力管道的可靠度进行研究。
the company completely satisfies production manufacture and test check related requirements of pressure piping components and safety accessories.
公司完全能满足压力管道元件和安全附件的生产制造、试验检测的相关要求。
it researches the effects of unfitness defects of the welding joints of pressure piping at different places and different sizes on stress concentration by means of the finite element software ansys9.
针对压力管道焊接接头出现的不同位置、不同尺寸条件下的错边缺陷,研究它们对焊接接头应力集中程度的影响,为压力管道的安全评定提供可靠的力学依据。
the reliability researches in pressure piping containing defects were summarized. their limitations have been discussed, and the future research tendency was proposed.
对国内外关于含缺陷压力管道可靠性的研究进行了总结,分析了其局限性,进而提出了今后的研究方向。
the research methods and results are briefly described for the load carrying ability of pressure piping with circumferential defects and made from the stainless steel.
通过对含环向缺陷不锈钢压力管道承载能力的试验研究方法,证实用于铁素体钢管的工程评定方法计算结果与不锈钢管试验结果有较好的可比性。
for assessing reliability of a pressure piping containing defects, it is necessary to know the calculation method and the distributions of flow stress of material.
确定管道流变应力的不确定性分布是对含缺陷压力管道进行可靠性评定的前提。
by using finite element method, a pressure piping with incomplete welding flaw was analyzed in strength and assessed in safety.
采用有限元方法对一条含未焊透缺陷的压力管道进行了强度分析与安全评定。
in this article, the comparison of chinese pressure piping regulation with european pressure piping regulation was carried out.
对我国压力管道法规与欧盟压力管道法规进行比较。
in this paper, the current periodic inspection regulation system for pressure vessel and pressure piping in china is briefly introduced, comparing to related api standards and codes and rps.
简要介绍了我国现行压力容器、压力管道定期检验规范体系,并与相应的api规范进行了对比分析。
on the basis of piping safety and usage properties, the inspection for in - use pressure piping shall be scientific and executive orientation in contents, items, methods and safety grade evaluation.
在用压力管道检验应该在保证管道安全性能和使用性能的前提下,在检验内容、项目、方法及安全等级评定诸方面具有科学性和可操作性。
aiming at the fracture failure mode of piping and uncertainty int he assessment process, pressure piping reliability method was put forward.
针对管道的断裂失效模式以及安全评定过程中存在的不确定性,提出了压力管道可靠性安全评定方法。