Calculation of Plume dispersion equation

LaTex

Keyword

Plume dispersion equation,Downwind distance,Volume of emit gas,Wind speed,Effective chimney height,Stability categories

Reference

[1]：公害研究対策センター：『窒素酸化物総量規制マニュアル』,pp.152
[2]：社団法人土木学会：『環境工学公式・モデル・数値集』,pp.253

Remarks

・Concentration of emissions：C(x,y,z)
・Downwind distance(m)：x,y,z
・Dispersion Coefficient(m)：σy,σz
・Caution：Cautioned about result when input downwind distance from a source is less than 100m or more than 100,000m.
・Pasquill Stability Categories

Surface wind speed at 10m(m/s)	Insolation			Night
-	Strong	Moderate	Slight	≧ 4/8 Low Cloud	≦ 3/8 Cloud
＜2	A	A-B	B	G	G
2-3	A-B	B	C	E	F
3-5	B	B-C	C	D	E
5-6	C	C-D	D	D	D
＞6	C	C	D	D	D

History

・2010/09/21：Upload