ENERGY LOAD CONTROL OF BRAKES' FRICTION PAIRS
DOI:
https://doi.org/10.18372/0370-2197.1(110).20935Keywords:
control, energy loading, braking devices, friction pair, equivalent stressesAbstract
Theoretical research and a computational experiment dedicated to optimal control of thermal processes in friction pairs during frictional interaction in braking devices have allowed us to establish and propose the following. Thermal process control is accomplished mathematically using the heat equation with initial and boundary conditions, employing a control function, as well as the method of thermoelastic potentials and moving local heat sources in brake friction pairs. Material selection based on the mechanical properties of drill drawworks brake pulleys was conducted using a computational experiment. Based on the research conducted, a discovery formula was formulated: "Unknown patterns of microcrack occurrence and development on the working surfaces of metal friction brake elements have been established."
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