隧道组路段制动鼓温度上升及其对卡车驾驶安全的影响

IF 1.7 4区 工程技术 Q2 MATHEMATICS, INTERDISCIPLINARY APPLICATIONS
Complexity Pub Date : 2024-08-21 DOI:10.1155/2024/5552467
Yunyong He, Enhuai He, Le Zhang, Jianping Gao, Changfeng Yang, Lu Sun, Haotian Yang, Zhen Gong, Ziqiang Liu
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引用次数: 0

摘要

高风险的制动容易引发更多的安全事故。本文对包含连续下坡隧道群的G350耿达至映秀段进行了行车实验。考虑了标准载荷和超载条件下的三轴卡车。研究提出了一种基于制动鼓温度升高的方法,以确保卡车在山区公路连续下坡路段的安全行驶。研究收集了实验车辆在人-车-路-环境耦合作用下的制动鼓温度和制动持续时间数据。通过对比分析、理论推导和模型构建,得出结论。结果表明,制动鼓温度的升高受超载、走线、道路坡度、明暗线路段等因素的影响。初始制动鼓温度、运行速度和车辆总质量被认为是制动鼓温度变化的主要控制因素。研究还表明,淋水可以显著降低制动鼓温度的上升速度,从而确保行车安全。此外,还根据制动鼓温度上升与各种因素之间的关系建立了一个模型,从而可以计算出相应的安全斜坡长度和平均斜坡坡度。该模型可用于评估或设计总体负载要求。对淋雨条件下制动鼓温升特性和制动行为的研究为路线设计、交通管理和安全服务设施的建立提供了有效的支持。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Brake Drum Temperature Rise and Its Influence on Truck Driving Safety in Tunnel Groups Section

Brake Drum Temperature Rise and Its Influence on Truck Driving Safety in Tunnel Groups Section

High risk of braking easily causes more safety accidents. In this paper, the driving experiments on G350 Gengda-Yingxiu section containing continuous downhill tunnel group. Three-axle trucks under standard load and overload conditions were considered. The research proposes a method for ensuring safe truck driving on continuous downhill sections of mountain roads based on the rise in brake drum temperature. The study collects data on brake drum temperature and braking duration from an experimental vehicle under the coupling action of human-vehicle-road-environment. Through comparative analysis, theoretical derivation, and model construction, conclusions are drawn. The results indicate that the rise in brake drum temperature is influenced by the factors such as overload, alignment, road slope, and sections with bright and dark lines. The initial brake drum temperature, operating speed, and total vehicle mass are identified as the main controlling factors for the change in brake drum temperature. The study also demonstrates that water drenching can significantly reduce the rate of brake drum temperature rise, thereby ensuring driving safety. Furthermore, a model is constructed based on the relationship between brake drum temperature rise and various factors, which allows for the calculation of the corresponding safe slope length and average slope gradient. This model can be used for evaluating or designing overall load requirements. The research on brake drum temperature rise characteristics and braking behaviour under drenching conditions provides effective support for route design, traffic management, and the establishment of safety service facilities.

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来源期刊
Complexity
Complexity 综合性期刊-数学跨学科应用
CiteScore
5.80
自引率
4.30%
发文量
595
审稿时长
>12 weeks
期刊介绍: Complexity is a cross-disciplinary journal focusing on the rapidly expanding science of complex adaptive systems. The purpose of the journal is to advance the science of complexity. Articles may deal with such methodological themes as chaos, genetic algorithms, cellular automata, neural networks, and evolutionary game theory. Papers treating applications in any area of natural science or human endeavor are welcome, and especially encouraged are papers integrating conceptual themes and applications that cross traditional disciplinary boundaries. Complexity is not meant to serve as a forum for speculation and vague analogies between words like “chaos,” “self-organization,” and “emergence” that are often used in completely different ways in science and in daily life.
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