排水管道蒸汽入侵通道对子板压缩系统减轻性能的影响
Ning Ding1, Chenglin Hou2, Hongrui Li2
1School of Environment and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
Journal of hazardous materials
|November 3, 2024
概括
当有排水管道等优选通道存在时,子板压缩 (SSD) 系统可能效率较低. 这些通道可以降低SSD性能,并可能增加室内空气蒸气入侵风险.
科学领域:
- 环境工程 环境工程
- 地质技术工程 地质技术工程
- 室内空气质量 室内空气质量
背景情况:
- 亚板压缩 (SSD) 是减轻蒸汽入侵 (VI) 的常见方法.
- 优选的VI路径,如下水道和陆地排水道,可能会损害SSD的有效性.
- 排水管道对SSD性能的影响需要进一步调查.
研究的目的:
- 评估SSD系统在减轻排水管道蒸汽入侵的有效性.
- 评估优先路径在各种条件下如何影响SSD性能.
- 为了确定与SSD在排水系统的存在下运行相关的潜在风险.
主要方法:
- 在有或没有排水管道的房屋中对SSD系统进行实地测试.
- 数字建模模模拟SSD性能在不同的场景涉及优先路径.
- 在自然条件和SSD条件下对亚板蒸气度进行比较分析.
主要成果:
- 发现子板排水系统抑制SSD性能,需要更高的流量和压缩.
- 与自然条件相比,SSD运行导致板下蒸汽度增加,引发了VI的关注.
- 模拟结果表明,优先路径的位置显著影响SSD系统的有效性.
结论:
- 亚板排水系统的存在可以显著损害SSD缓解蒸汽入侵的有效性.
- 标准的SSD操作可能会无意中增加蒸汽入侵的风险在存在优先路径.
- 优化SSD系统设计和操作需要考虑优先路径的影响和位置.
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