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Numerical calculation model of mixed lubrication for line-seal plunger pair considering surface roughness and elastic deformation
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DOI：10.1016/j.triboint.2026.112527.png)
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Abstract
En 中文
• A mixed-lubrication model for line-seal plunger pairs (LSPPs) is developed and validated. • The model predicts leakage and friction with approximately 91.0% and 91.6% accuracy. • Surface roughness below 0.64 μm is critical for mixed lubrication of mating surfaces . • Longer sealing strips decrease leakage but increase friction; optimal length is 1–1.5 mm.
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6.9
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1.1W
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4.2W
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