Coupled field finite element analysis of railway block brakes

Author:

Suresh Babu A1,Siva Prasad N1

Affiliation:

1. Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, India

Abstract

Simulation of interface pressure and temperature distribution in a railway block brake is carried out using a coupled field (structural—thermal) finite element method. Temperature is estimated using the heat generation calculated from the interface pressure. Deceleration of the wheel is simulated by applying rotations. With the use of coupled field analysis along with the simulation of deceleration, heat generation at a point on the rubbing surface is calculated from the instant value of interface pressure at that time. Present results are verified with the experimental values for temperature rise, variation in speed, and stop time.

Publisher

SAGE Publications

Subject

Mechanical Engineering

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1. Influence of thermal expansion and wear on the temperatures and stresses in railway disc brakes;International Communications in Heat and Mass Transfer;2024-11

2. Integration of brake block thermal equations within a railway vehicle multibody model: a multiphysics approach;International Journal of Rail Transportation;2024-01-18

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4. Adding a brake shoe temperature model into freight train longitudinal braking dynamics simulations;Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit;2022-09-15

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