Abstract Conveyor belts are widely used in industries for the transport of particulate material, and particles from the surface can be entrained by air motion and cause health problems. An advantage of the application of continuum modelling within a Computational Fluid Dynamics CFD environment is the ability to couple the granular flow region directly to the airflow region. In the first stage, the wind flow around a conveyor belt is studied by experimental tests in a mine. Four turbulence models and three types of mesh independence are studied, and the turbulence model k-epsilon and an intermediate mesh are selected. In a second stage, the CFD methodology simulation is extrapolated to study dust emissions. Particles PM10 and PM50 are studied because of their importance in people's health. Likewise, the effect of dust emissions on the loss of treated product and on the maintenance of equipment and facilities is analysed. All the simulations are validated by experimental measurements.

中文翻译：

---

使用计算流体动力学 (CFD) 建模和实验测量同时评估传送带的风流和粉尘排放

摘要 输送带在工业中广泛用于输送颗粒材料，来自表面的颗粒会被空气运动带走并导致健康问题。在计算流体动力学 CFD 环境中应用连续介质建模的一个优势是能够将颗粒流区域直接耦合到气流区域。在第一阶段，通过在矿井中进行实验测试来研究传送带周围的风流。研究了四种湍流模型和三种网格独立性，选择了湍流模型k-epsilon和一种中间网格。在第二阶段，CFD 方法模拟被外推以研究粉尘排放。研究颗粒 PM10 和 PM50 是因为它们对人们的健康很重要。同样地，分析了粉尘排放对处理产品损失以及设备和设施维护的影响。所有模拟均通过实验测量进行验证。