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对尘埃演变模式的影响分析和在高地公路建设道中确定关键通风参数

Jie Liu¹, Yi Chen¹, Wanqing Wang²

¹Faculty of Public Security and Emergency Management, Kunming University of Science and Technology, Kunming, 650093, China.

|July 19, 2024

概括

通风参数对高原高速公路道中的尘埃控制有重大影响. 优化空气出口距离和速度有效降低了在钻孔面附近的尘埃度.

科学领域:

道工程是指道工程的工程.
环境工程环境工程
流体动力学流体动力学

背景情况:

高原高速公路建设带来了独特的通风挑战.
在道施工中,粉尘的产生和散发是关键的安全问题.

研究的目的:

调查通风参数对高原高速公路建设道中防尘的影响.
为优化通风策略提供指导,以减轻尘埃暴露.

主要方法:

使用Fluent软件进行数值模拟.
分析风速,流场和尘埃颗粒的行为.
在云南建设高速公路道的案例研究.

主要成果:

压进通风导致中心的风速降低,平均风速逐渐稳定到0.5m/s.
在爆破后,在返回侧观察到较高的尘埃质量度,而不是在管道侧.
较大的尘埃颗粒 (≥30微米) 迅速沉积,而较小的颗粒 (<30微米) 与空气流一起分散.

结论:

减少空气输出距离和增加空气速度在面附近增强除尘.
这些发现为高原道建设中的尘埃演变和预防策略提供了理论基础.

关键词:

尘埃的进化规律尘埃的进化规律高地公路道高地公路道数字模拟数字模拟压入通风系统的压入通风系统通风参数的通风参数

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