کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4985793 | 1454793 | 2017 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Wall slip in an EHL contact lubricated with 1-dodecanol
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Wall slip in an EHL contact lubricated with 1-dodecanol Wall slip in an EHL contact lubricated with 1-dodecanol](/preview/png/4985793.png)
چکیده انگلیسی
A study was conducted of the factors that cause anomalous EHD film shapes in 1-dodecanol lubricated contacts - i.e. a thickened central plateau and an exaggerated outlet constriction. This has led to the hypothesis that, in the region where pressures exceed ~0.44Â GPa, dodecanol experiences slip, which reduces the average lubricant velocity and causes an elevated film thickness in order to maintain flow continuity. The analysis suggests that slip must be occurring at, or close to, the faster moving surface, since a discontinuity in the flow midway through the thickness of the film would not affect the average speed of the lubricant. Based on this hypothesis, an equation has been derived to predict the anomalous central film thickness as a function of applied slide-roll ratio and this has been validated by comparison with experimentally measured central film thickness values. Further support of this hypothesis is provided by traction test results showing a discontinuity occurring close to the onset of slip.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tribology International - Volume 113, September 2017, Pages 197-205
Journal: Tribology International - Volume 113, September 2017, Pages 197-205
نویسندگان
Peng Wang, Tom Reddyhoff,