Browsing by Subject "Lubrication"
Now showing items 1-7 of 7
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(2017-05-10)In comparison to vertical hole drilling, recent explorations of ERD wells and use of horizontal drilling strings has significantly increased the drag and torque as well as wear on the drill string, drill column, casings ...
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(2021-07-12)Lubrication plays important roles in mechanical systems in motion. The challenge in understanding the characteristics of a lubricant under working conditions lies in its dynamic nature, and it is impossible to observe the ...
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(2022-05-26)Modern SFD designs are short in axial length to limit weight and part count and supplied with a low lubricant feed pressure to reduce operating costs related to lubricant storage and pumping power. O-rings (ORs) reduce ...
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(Turbomachinery Laboratory; Texas A&M Engineering Experiment Station; Texas A & M University. Libraries, [2019])
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Many problems are caused by coking within engines with extreme operating conditions. Coking is a type of deposit formation and can interfere with reliable fluid flow and a machine’s mechanical movements, increase wear ...
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(2014-08-07)Static, dynamic, and thermal characteristics (measured and predicted) are presented for a 4-pad, spherical-seat, TPJB with 0.5 pivot offset, 0.6 L/D, 101.6 mm nominal diameter, and 0.3 preload in the LBP orientation. One ...
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(2020-04-08)Comprehensive evaluation on the influence of select commercial friction-modifying additives on the tribological performance of water-based mud will enable more widespread usage of waterbased mud (WBM) with confidence as a ...