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VERTICAL ACTION OF FORCES BETWEEN WHEEL AND RAIL WHEN CROSSING A RAIL JOINT

Richard de Beer, E Gudacker, Jessica Ebert

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Abstract

An example serves to determine the maximum dynamic vertical wheel force when a modern coach crosses a rail joint. The problem is described mathematically by a system of ordinary differential equations and is solved by means of an analog computer. The high dynamic vertical wheel forces obtained linearly increase with the travelling speed. As a result, the demand of more elastic wheels is made for railway vehicles travelling at high speed, besides that of a high quality of the permanent way.

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What this paper is about

An example serves to determine the maximum dynamic vertical wheel force when a modern coach crosses a rail joint. The problem is described mathematically by a system of ordinary differential equations and is solved by means of an analog computer. The high dynamic vertical wheel forces obtained linearly increase with the travelling speed. As a result, the demand of more elastic wheels is made for railway vehicles travelling at high speed, besides that of a high quality of the permanent way.

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Available abstract

An example serves to determine the maximum dynamic vertical wheel force when a modern coach crosses a rail joint. The problem is described mathematically by a system of ordinary differential equations and is solved by means of an analog computer. The high dynamic vertical wheel forces obtained linearly increase with the travelling speed. As a result, the demand of more elastic wheels is made for railway vehicles travelling at high speed, besides that of a high quality of the permanent way.

Key concepts: Joint (building), Action (physics), Ordinary differential equation, Structural engineering, Differential (mechanical device), Engineering, Control theory (sociology), Differential equation

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VERTICAL ACTION OF FORCES BETWEEN WHEEL AND RAIL WHEN CROSSING A RAIL JOINT — Research Paper | ScholarLens