在大型地下洞穴中,子输送和优化通风参数的特点
Lingyu Li1, Chuanqing Zhang1, Fanjie Yang1
1State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China; School of Engineering Science, University of Chinese Academy of Sciences, Beijing, 100049, China.
Journal of environmental radioactivity
|December 1, 2024
概括
地下洞穴中的气对健康构成危险. 这项研究使用计算流体动力学来分析运输和优化通风,提高建筑人员在深度工程环境中的安全性.
科学领域:
- 地质物理学 地质物理学
- 环境科学 环境科学
- 工程 工程师 工程师 工程师
背景情况:
- 气通过岩石孔隙和裂进入地下洞穴,导致度高.
- 高水平的会危及地下环境中的施工人员的健康.
研究的目的:
- 为了调查图巴水力发电站地下发电厂的度水平.
- 为了研究强制通风下施工期间的运输动态.
- 揭示子度分布和长期进化规律.
主要方法:
- 在现场监测子度.
- 计算流体动力学 (CFD) 数值模拟以建立运输模型.
- 分析空气流场和的迁移/扩散过程.
主要成果:
- 爆炸增加了子度;强制通风加速了子的传输.
- 空气流模式包括和稳定区域.
- 拉登度随着高度的增加而降低,在同一高度的侧面显示出更高的水平.
- 联合通风比强制通风更有效,减少了运输时间.
结论:
- 根据模拟结果提出了通风优化措施.
- 了解运输对于深度工程项目的安全至关重要.
- 该研究为地下环境的安全分析和评估提供了科学基础.
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