含水量对润滑油粘度与浸润性影响的试验研究

胡继敏; 宋振国; 周建辉

doi:10.19693/j.issn.1673-3185.01704

含水量对润滑油粘度与浸润性影响的试验研究

Experimental study on the effect of water content on the viscosity and wettability of lubricating oil

摘要

摘要:
目的为了研究油水混合润滑状态下含水量对润滑油粘度和浸润性的影响规律，
方法配置不同比例的油水混合液，模拟恶劣工况下的润滑介质，借助精准的测试仪器，通过多次测试取平均值的方法，得到不同含水量下混合液的粘度值和接触角。
结果结果表明：润滑油的粘度随含水量的增加先上升，在含水量为30%左右时达到最大值，之后迅速下降，逐渐趋于稳定；对于亲油性的摩擦面，一定程度的油水混合模式有助于提升润滑油的浸润性。
结论研究结果对船舶润滑系统的可靠性设计具有一定的指导意义。

Abstract:
Objectives In order to study the effect of water content on the viscosity and wettability of lubricating oil under oil-water mixed lubrication state,
Methods different proportions of oil-water mixture was configured to simulate the lubrication medium under harsh conditions, and the viscosity and contact angle of the mixture under different water contents were contained by taking the average value of the results of multiple tests with the help of accurate test instruments.
Results The results show that the viscosity of the lubricating oil increases first with the increase of the water content, reaches the maximum when the water content is about 30%, and then decreases rapidly and gradually stabilizes; for lipophilic friction surfaces, a certain degree of oil-water mixing helps to improve the wettability of the lubricating oil.
Conclusions The study in this paper has certain guiding significance for the reliability design of the ship lubrication system.

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