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Experimental study on a magnetofluid sealing liquid for propeller shaft

Journal of Marine Science and Application 2003年第1期2卷 66-70页

作者： ZHAO Chang-fa, SUN Rong-hua, ZHENG Jin-xing School of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin 150001, China Harbin Institute of Technology (China)

The selecting and preparing method of the basic material of magnetic fluid was introduced. By using a chemical method, the magnetic micropowder Fe 3O 4 was successfully yielded, and an oil-base as a working carrier and dispers ing agent was determined. The preparation process of the magnetic fluid and prescription of the oil-base magnetic fluid were discussed. The simulation experimental rig of magnetic fluid sealing for propeller shaft was designed. The sealing ability experiment was conducted and results were analyzed. The pressure of sealing is up to 2 MPa.

关键词： magnetic fluid sealing ability propeller shaft

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Prediction And Study on the Influence of propeller shaft to Vehicle Noise Based on BP Neural Network

Prediction And Study on the Influence of Propeller Shaft to ...

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2016中国汽车工程学会年会暨展览会

作者： Liu Yongjun Xu Chaonan Niu Weilong Zhang Xiuming Jia Nan Wu Jie R&D Center of Great Wall Motor Co.Ltd Automotive Engineering Technical Center of Hebei Province

propeller shaft is one of main sources to arouse vehicle *** decrease development cost and shorten development cycle,BP Neural Network model of influence of propeller shaft to vehicle noise was established using MATLAB software,combined with historical ***,the model was trained,results showed that it was stable and credible and the error of this model was between-4 and 4,which could be ***,noise of the developing vehicle in the company was predicted using the model,offering theoretical reference to related people.

关键词： propeller shaft neural network vehicle noise prediction

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