Việc Bao Gồm Tăng Cường Nhiễu Loạn Không Khí Do Sản Xuất Than Cốc Vào Mô Hình Tán Xạ Khí Quyển

Springer Science and Business Media LLC - Tập 12 - Trang 803-813 - 2018
Jacek Żeliński1, Dorota Kaleta2, Jolanta Telenga-Kopyczyńska2
1Institute for Chemical Processing of Coal, Zabrze, Poland
2Department of Air Protection, Silesian University of Technology, Gliwice, Poland

Tóm tắt

Các mô hình bình phun Gaussian vẫn được sử dụng trong trường hợp cần thực hiện các phép tính định kỳ, cự ly ngắn. Chúng sử dụng các tham số toàn cầu để tham số hoá ảnh hưởng của bầu khí quyển và bề mặt trái đất lên sự phân tán của các chất ô nhiễm không khí, có thể tạo ra kết quả thỏa đáng trong các điều kiện tổng thể. Điều này không đúng trong các ứng dụng riêng địa điểm, khi các mô hình tiêu chuẩn không phản ánh tất cả các cơ chế liên quan đến hiện tượng phân tán địa phương. Hạn chế này đặc biệt áp dụng cho các đối tượng không điển hình có đặc trưng bởi sự nhiễu loạn nhiệt và cơ học cao được đưa vào không khí. Những nơi như vậy tạo ra các nhiễu loạn không khí khác biệt tại địa phương được phản ánh bởi các hồ sơ tốc độ gió thẳng đứng cụ thể. Dựa trên hiểu biết về hình dạng của chúng, thông tin về độ nhiễu loạn và cường độ khuếch tán có thể được chuyển giao cho mô hình truyền bá. Phân tích các hồ sơ gió được đo trong khu vực gần nhà máy sản xuất than cốc lớn được trình bày trong bài báo này. Các giá trị số mũ của hồ sơ gió đã được thu được trên cơ sở đó được so sánh với các giá trị được sử dụng trong các mô hình tiêu chuẩn. Ngoài ra, các nồng độ khí đánh dấu được đo cũng được liên quan đến các giá trị được tính toán bằng cách sử dụng mô hình được trang bị các số mũ đã được chỉnh sửa cũng như đến các giá trị thu được từ mô hình truyền thống.

Từ khóa


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