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In current research, the transverse motion of a thin annular plate is studied, thus determining the static and dynamic opening of a relief valve. Using the geometrically non-linear theory of thin plates, the governing equations in cylindrical coordinates are systematically deduced for obtaining the transient behavior. An equivalent method for replacing the concentrated force is innovatively proposed...
A newly developed tire rubber friction test machine is introduced. Friction test method of tire rubber is provided. Test data of tire rubber friction on concrete and icy road surfaces are obtained and analyzed. The effect of different road surface, ambient temperature, contact pressure, and slip velocity on friction coefficient is apprehended. The dynamic friction is introduced to tire semi-empirical...
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