热流变对润滑脂圆管内部流场影响的数值模拟

工程热物理学报 , 2015, 36(7): 1563-1567.

1.中国矿业大学机电工程学院,徐州,221116

2.中国矿业大学机电工程学院,徐州,221116

3.中国矿业大学机电工程学院,徐州,221116

4.中国矿业大学机电工程学院,徐州,221116

基金项目: 中国博士后科学基金特别资助项目(No.2012T50497) 江苏高校优势学科建设工程资助项目国家自然科学基金项目(No.51006117)

Numerical Simulation of Thermal Rheological Effect on the Flow Field of Lithium Lubricating Grease during Pipeline Flow

采用旋转流变仪研究了不同温度下NLGI 00锂基润滑脂流变特性的变化规律.基于润滑脂热流变实验结果,建立了润滑脂圆管流动的计算模型,并采用Fluent软件对润滑脂圆管流动进行了数值模拟.得出各温度下润滑脂圆管流动过程中压力、速度和表观黏度分布情况.揭示了热流变对润滑脂圆管流场的影响规律及变化机理.

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