کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
791015 | 1466137 | 2007 | 11 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Reliability-based assessment of polyethylene pipe creep lifetime Reliability-based assessment of polyethylene pipe creep lifetime](/preview/png/791015.png)
Lifetime management of underground pipelines is mandatory for safe hydrocarbon transmission and distribution systems. The use of high-density polyethylene tubes subjected to internal pressure, external loading and environmental variations requires a reliability study in order to define the service limits and the optimal operating conditions. In service, the time-dependent phenomena, especially creep, take place during the pipe lifetime, leading to significant strength reduction. In this work, the reliability-based assessment of pipe lifetime models is carried out, in order to propose a probabilistic methodology for lifetime model selection and to determine the pipe safety levels as well as the most important parameters for pipeline reliability. This study is enhanced by parametric analysis on pipe configuration, gas pressure and operating temperature.
Journal: International Journal of Pressure Vessels and Piping - Volume 84, Issue 12, December 2007, Pages 697–707