将RLINE纳入AERMOD:对移动源应用程序的更新和评估
R Chris Owen1, David K Heist1, Michelle G Snyder2
1U.S. Environmental Protection Agency, Office of Research and Development, Center for Environmental Measurement and Modeling, Research Triangle Park (EPA-RTP), Durham, NC, USA.
Journal of the Air & Waste Management Association (1995)
|January 2, 2025
概括
在 AERMOD 中的 RLINE 模型已更新,以提高其对道路排放的性能. 在运输研究中,新配方与AREA和VOLUME源类型更好地一致.
科学领域:
- 大气科学 大气科学
- 空气质量建模空气质量建模
- 环境工程环境工程
背景情况:
- 最初用于道路应用的RLINE模型于2019年集成到AERMOD中.
- 之前的评估表明,与AERMOD的AREA和VOLUME来源相比,需要改进RLINE的分散参数.
研究的目的:
- 在 AERMOD.中更新和评估 RLINE 源类型.
- 为了解决早期比较中发现的业绩差异.
- 为了提高公路排放分散模型的准确性.
主要方法:
- 修改了RLINE垂直风形状,并增加了地形/曲重量.
- 使用计算优化更新了分散参数化.
- 通过多项追踪研究和运输项目,对AREA和VOLUME源进行了更新RLINE的评估.
主要成果:
- 更新后的RLINE配方在各种评估中显示出更好的性能.
- 模型相互比较显示,RLINE,AREA和VOLUME来源类型之间更接近一致.
- 在高速公路热点场景中预测度的准确性提高.
结论:
- 修订后的RLINE源类型在AERMOD中为公路空气散射建模提供了更好的准确性.
- 实践者现在可以更有信心地使用增强的RLINE模型.
- 该研究为RLINE的配方及其与其他AERMOD源类型相比的性能提供了重要的见解.
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