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CONSTITUTIVE EQUATION OF A NEW AVIATION LUBRICATING OIL |
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| Authors: | DENG Sier TENG Hongfei WANG Yanshuang LI Yunfeng YANG Boyuan |
| Affiliation: | [1]School of Mechanical Engineering, Dalian University of Technology, Dalian 116023, China [2]School of Mechanical Engineering, Henan University of Science and Technology, Luoyang 471003, China |
| Abstract: | The traction of a new aviation lubricating oil was measured on a self-made test rig. The calculating formulae of the rheological parameters of the oil such as Erying stress, limiting shear stress and shear elastic modulus were obtained under the condition of the high shear strain rate in elastohydrodynamic lubrication(EHL). The constitutive equation of this oil was determined and verified by test The results of experiments show that the behavior of the new aviation lubricating oil behaves as visco-elastic fluid and the theoretical value agrees fairly well with the measured data, which implies that the constitutive equation of this oil is correct and feasible. |
| Keywords: | Lubricating oil Constitutive equation Rheological parameters Traction LUBRICATING OIL AVIATION EQUATION feasible constitutive equation test results experiments show behavior fluid theoretical value measured data shear stress elastic modulus condition high strain rate elastohydrodynamic lubrication |
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