کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7167037 1462934 2018 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Buckling of cylindrical stainless-steel tubes subjected to external pressure at extremely high temperatures
ترجمه فارسی عنوان
خم شدن لوله های فولادی ضد زنگ استوانه ای تحت فشار خارجی در دمای بسیار بالا
کلمات کلیدی
انقباض فشار خارجی، خزش تمامیت ساختاری، نیروگاه، طرح،
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی صنعتی و تولید
چکیده انگلیسی
This study aims to experimentally investigate the buckling behaviors of stainless steel cylindrical tubes subjected to external pressure at extremely high temperatures. Buckling experiments were conducted on specimens of two different buckling modes for a wide range of pressures, specifically, from 200 to 1000 kPa in gauge pressure. The buckling temperature was measured as a function of the external pressure to examine the relationship between the buckling temperature and the external pressure. Moreover, the effect of the tube dimension (radius-to-thickness ratio) on the buckling temperature was investigated for a wide range of radius-to-thickness ratios, specifically, from 10 to 56. The buckling temperature was proportional to the external pressure and to the radius-to-thickness ratio. The measured buckling temperatures were compared with the theoretical predictions obtained from several conventional buckling models. The difference in the buckling temperatures between the experimental results and the theoretical predictions was discussed by considering the creep effect, geometrical imperfections, and a temperature dependent material property. Additionally, the buckling deformation of the stainless steel tube columns was recorded with a high-speed camera.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Failure Analysis - Volume 92, October 2018, Pages 61-70
نویسندگان
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