کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7004818 | 1454999 | 2013 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The effect of lubrication film thickness on thermoelastic instability under fluid lubricating condition
ترجمه فارسی عنوان
اثر ضخامت فیلم روانکاری بر بی ثباتی حرارتی تحت شرایط روانکاری مایع
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
چکیده انگلیسی
An idealized model consisting of a thermal conductor and a thermal insulator separated by a thin layer of lubricating fluid is developed to investigate thermoelastic instability with fluid lubrication. The governing equations are solved for the critical speed. A new dimensionless parameter H0 is defined to predict the critical speed. Furthermore, the effects of various materials and the wavelength of perturbations on thermoelastic instability are discussed. It has been found that the migration speed of hot spots is nonzero, but typically very slow compared with the sliding speed and the relation between the critical speed and the fluid film thickness is non-linear. In addition, a material with low elastic modulus, low thermal expansion coefficient and high thermal conductivity will experience a high critical speed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Wear - Volume 303, Issues 1â2, 15 June 2013, Pages 146-153
Journal: Wear - Volume 303, Issues 1â2, 15 June 2013, Pages 146-153
نویسندگان
Jiaxin Zhao, Biao Ma, Heyan Li, Yunbo Yi,