铝基制动盘摩擦面积与温度关系的数值和实验研究

IF 1.6 3区工程技术 Q3 ENGINEERING, MECHANICAL

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology Pub Date : 2024-01-31 DOI:10.1177/13506501241229501

Youjie Chen, Manqi Yao, Junying Yang, R. Fu, Linlin Su, Fei Gao

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引用次数: 0

摘要

明确摩擦面积与制动盘温度之间的关系有助于优化制动片结构。在制动速度为 60-160 km/h、制动力为 1.66 kN 的条件下，通过 TM-I 型缩小比例惯性制动测功机获得了铝基制动盘与不同直径（45、60 和 65 mm）的圆形摩擦片的配对温度。在此基础上，建立了摩擦副的热机械耦合模型，利用 ADINA 有限元软件模拟制动盘温度的演变，并提出了热能梯度系数。结果表明，数值制动盘温度与实测值一致，验证了数值模型的有效性。摩擦面积导致制动压力不同，从而影响制动盘温度。摩擦面积的减小加速了制动盘温度的升高，增加了高温区的面积比和最大温差。摩擦面积对制动盘温度的影响程度因摩擦区域而异。热能梯度系数可有效预测制动盘表面的温度梯度分布。

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Numerical and experimental study of the relationship between friction area and temperature of aluminium-based brake disc

Clarifying the relationship between friction area and brake disc temperature is helpful to optimizing the brake pad structure. Aluminium-based brake disc temperature paired with circular friction blocks of different diameters (45, 60, and 65 mm) is obtained by the TM-I-type reduced-scale inertial braking dynamometer at braking speeds 60–160 km/h and braking force 1.66 kN. On the basis, the thermo-mechanical coupling model of friction pair is established to simulate the evolution of brake disc temperature by ADINA finite-element software, and the thermal energy gradient factor is proposed. Results indicate that the numerical brake disc temperature agrees with the measured, validating the numerical model. The friction area caused the difference of braking pressure, which affects the brake disc temperature. The decrease in the friction area accelerates the disc temperature rise and increases the area ratio of high-temperature zone and maximum temperature difference. The influence degree of friction area on the brake disc temperature varies with friction zone. The thermal energy gradient factor can effectively predict the distribution of temperature gradient on the disc surface.

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 工程技术-工程：机械

CiteScore

4.20

自引率

5.00%

发文量

110

审稿时长

6.1 months

期刊介绍： The Journal of Engineering Tribology publishes high-quality, peer-reviewed papers from academia and industry worldwide on the engineering science associated with tribology and its applications. "I am proud to say that I have been part of the tribology research community for almost 20 years. That community has always seemed to me to be highly active, progressive, and closely knit. The conferences are well attended and are characterised by a warmth and friendliness that transcends national boundaries. I see Part J as being an important part of that community, giving us an outlet to publish and promote our scholarly activities. I very much look forward to my term of office as editor of your Journal. I hope you will continue to submit papers, help out with reviewing, and most importantly to read and talk about the work you will find there." Professor Rob Dwyer-Joyce, Sheffield University, UK This journal is a member of the Committee on Publication Ethics (COPE).