国家自然科学基金(51375162)

作品数:5被引量:32H指数:3
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相关作者:李学军宾光富高永毅伍济钢杨高平更多>>
相关机构:湖南科技大学更多>>
相关期刊:《机械设计》《Journal of Wuhan University of Technology(Materials Science)》《Chinese Journal of Mechanical Engineering》更多>>
相关主题:NONLINEARTURBOCHARGEREFFECTSCLEARANCELOCATION更多>>
相关领域:机械工程动力工程及工程热物理农业科学一般工业技术更多>>
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工作介质属性对立式多级离心泵振动特性的影响规律被引量:4
《机械设计》2017年第7期28-33,共6页刘定衢 宾光富 高永毅 李学军 
国家自然科学基金资助项目(51575176,51375162,51675174);湖南省湖湘青年创新人才资助项目(2015RS4043);湖南省教育厅优秀青年资助项目(15B085);湖南省研究生基金创新资助项目(CX2016B548)
立式多级离心泵在实际工作中.液态工作介质属性会影响泵的振动特性。甚至导致临界转速值下降引发共振等严重振动事故。文中以某型多级离心泵转子为研究对象,探讨工作介质与泵转子结构的力学关系,推导带有工作介质的泵转子动力学方程...
关键词:工作介质属性 立式多级离心泵 动力学模型 振动特性 
Effects of Aging Temperature on Microstructure and High Cycle Fatigue Performance of 7075 Aluminum Alloy被引量:2
《Journal of Wuhan University of Technology(Materials Science)》2017年第3期677-684,共8页杨大炼 刘义伦 LI Songbai MA Liyong LIU Chi YI Jiuhuo 
Funded by the National Natural Science Foundation of China(Nos.51375500,and 51375162);Scientific Research Project of Hunan Province Department of Education(No.17C0886);Open Funded Projects of Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment(No.201605)
The hardness, the tensile and the high-cycle fatigue(HCF) performances of 7075 aluminum alloy were investigated under temper T651, solution treated at 380 ℃ for 0.5 h and aged at different temperatures(150, 170, 1...
关键词:creep aging forming(CAF) high cycle fatigue(HCF) microstructure 7075 aluminum alloy 
薄煤层采煤机齿式离合器操纵机构优化设计被引量:2
《机械设计》2017年第4期59-64,共6页杨高平 李学军 伍济钢 
国家自然科学基金资助项目(51375162)
针对薄煤层采煤机齿式离合器接合时操纵机构末端承受较大冲击力导致接合困难,同时对采煤机的操纵舒适性等产生重要影响等问题,采用动力学仿真和试验测试相结合的方法,基于多连杆力放大原理对齿式离合器操纵机构进行了优化设计。基于ADAM...
关键词:薄煤层采煤机 齿式离合器 操纵机构 优化设计 
Effects of Unbalance Location on Dynamic Characteristics of High-speed Gasoline Engine Turbocharger with Floating Ring Bearings被引量:12
《Chinese Journal of Mechanical Engineering》2016年第2期271-280,共10页WANG Longkai BIN Guangfu LI Xuejun LIU Dingqu 
Supported by National Natural Science Foundation of China(Grant Nos.51575176,51375162);Scientific Research Foundation of Hunan Provincial Education Department of China(Grant No.15B085);Postgraduate Innovation Foundation of Hunan University of Science and Technology,China(Grant No.S140020)
For the high-speed gasoline engine turbocharger rotor, due to the heterogeneity of multiple parts material, manufacturing and assembly errors, running wear in impeller and uneven carbon of turbine, the random unbalanc...
关键词:high-speed turbocharger unbalance location nonlinear transient analysis waterfall dynamic characteristics 
Effects of Floating Ring Bearing Manufacturing Tolerance Clearances on the Dynamic Characteristics for Turbocharger被引量:17
《Chinese Journal of Mechanical Engineering》2015年第3期530-540,共11页WANG Longkai BIN Guangfu LI Xuejun ZHANG Xuefeng 
Supported by National Natural Science Foundation of China(Grant Nos.51205121,51375162);Scientific Research Foundation of Hunan Provincial Education Department of China(Grant No.13A023);Postgraduate Innovation Foundation of Hunan University of Science and Technology,China(Grant No.S140020)
The inner and outer oil film dynamic characteristic coefficients of floating ring bearings(FRBs) change due to the manufacturing tolerance of the floating ring, journal and intermediate, which leads to high-speed tu...
关键词:TURBOCHARGER floating ring bearing manufacturing tolerance clearance nonlinear transient analysis dynamic characteristics 
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