An aircraft brake wheel temperature field simulation method and system

By determining the brake disc braking power fitting function and non-brake disc loss power function in the temperature field simulation of aircraft brake wheels, and combining the three-dimensional mesh model and the fluid calculation module of the ANSYS system, the problem of brake disc braking power changing with time was solved, thus improving the simulation accuracy and the accuracy of temperature field prediction.

CN116049979BActive Publication Date: 2026-06-05长沙鑫航机轮刹车有限公司
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Patent Information

Application Number
CN202211683461.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-27
Publication Date
2026-06-05
Estimated Expiration
2042-12-27

AI Technical Summary

Technical Problem

Existing technologies cannot accurately account for the change in braking power of the brake disc over time when simulating the temperature field of aircraft brake wheels, resulting in insufficient simulation accuracy, especially under special operating conditions.

Method used

By determining the brake disc braking power fitting function and the non-brake disc loss power function, and combining the three-dimensional mesh model and material parameters, the fluid calculation module of the ANSYS system is used for simulation, and the heat source load is dynamically applied to simulate the actual working conditions.

Benefits of technology

This improves the accuracy of aircraft brake wheel temperature field simulation, enabling more accurate prediction of temperature distribution and heat management, thus ensuring the safe and stable operation of aircraft.

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Abstract

The application discloses a kind of simulation method and system of aircraft brake wheel temperature field, it is related to temperature field simulation field, the method includes determining the three-dimensional grid model of solid region and setting range fluid region of brake wheel;Determine the material of each fluid region, the material parameter of fluid region and solid region;Determine the flow field boundary of fluid region to fluid region and the fluid-structure coupling interface between solid region and fluid region;Determine brake disc brake power fitting function and non-brake disc loss power function;And according to brake disc brake power fitting function and non-brake disc loss power function determine heat source load;According to three-dimensional grid model, the material of each fluid region, the material parameter of fluid region, the material parameter of solid region, flow field boundary, fluid-structure coupling interface and heat source load, utilize the fluid calculation module of ANSYS system to simulate aircraft brake wheel temperature field.The simulation precision of brake wheel temperature field can be improved by the application.
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