Dynamic Response of Rub Caused by a Shedding Annular Component Happening in a Steam Turbine
المؤلفون المشاركون
Chen, J. M.
Jiang, D. X.
Wang, N. F.
An, S. P.
المصدر
العدد
المجلد 2015، العدد 2015 (31 ديسمبر/كانون الأول 2015)، ص ص. 1-6، 6ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2015-05-28
دولة النشر
مصر
عدد الصفحات
6
التخصصات الرئيسية
الملخص EN
Rub caused by a shedding annular component is a severe fault happening in a steam turbine, which could result in a long-term wearing effect on the shaft.
The shafting abrasion defects shortened the service life and damaged the unit.
To identify the fault in time, the dynamic response of rub caused by a shedding annular component was studied as follows: (I) a rotor-bearing model was established based on the structural features of certain steam turbines; node-to-node contact constraint and penalty method were utilized to analyze the impact and friction; (II) dynamic response of the rotor-bearing system and the shedding component was simulated with the development of rub after the component was dropping; (III) fault features were extracted from the vibration near the bearing position by time-domain and frequency-domain analysis.
The results indicate that the shedding annular component would not only rotate pivoting its axis but also revolve around the shaft after a period of time.
Under the excitation of the contact force, the peak-peak vibration fluctuates greatly.
The frequency spectrum contains two main components, that is, the working rotating frequency and revolving frequency.
The same phenomenon was observed from the historical data in the field.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Chen, J. M.& Jiang, D. X.& Wang, N. F.& An, S. P.. 2015. Dynamic Response of Rub Caused by a Shedding Annular Component Happening in a Steam Turbine. Shock and Vibration،Vol. 2015, no. 2015, pp.1-6.
https://search.emarefa.net/detail/BIM-1078216
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Chen, J. M.…[et al.]. Dynamic Response of Rub Caused by a Shedding Annular Component Happening in a Steam Turbine. Shock and Vibration No. 2015 (2015), pp.1-6.
https://search.emarefa.net/detail/BIM-1078216
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Chen, J. M.& Jiang, D. X.& Wang, N. F.& An, S. P.. Dynamic Response of Rub Caused by a Shedding Annular Component Happening in a Steam Turbine. Shock and Vibration. 2015. Vol. 2015, no. 2015, pp.1-6.
https://search.emarefa.net/detail/BIM-1078216
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1078216
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر