Detection of water content in lubricating oil based on solid-liquid nanogenerator
This study focuses on lubricating oil and employs solid-liquid nanogenerator technology to devise a non-invasive dual-detection sensor unit for monitoring water content in lubricating oil.Efficient detection of water content is achieved when either of the two output signals from the dual-detection unit reaches its corresponding threshold peak.The operational principles of the sensor unit are elaborated through comprehensive simulations involving multiple physical fields and experimental investigations.The research explores the impact of parameters such as detection electrode length,liquid flow velocity,and water content in the lubricating oil on output performance by collecting output data from the non-invasive dual-detection sensor unit.The results indicate a positive correlation between the water content in lubricating oil and the output performance,enabling the detection of low water content ranging from 0.250%to 1.000%by this sensor.Lastly,experimental validation confirms the sensor's stability and repeatability,with a maximum output performance error of merely 0.19%.This research offers a novel approach for the detection of water content in lubricating oil.
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