adms aermod calpuff
adms aermod calpuff adms aermod calpuff
Complex Terrain I ADMS Complex Flow Model based on FLOWSTAR Example Askervein: Change in speed over hill Fractional speedup ratio 1.0 0.8 0.6 0.4 delta S 0.2 0.0 -1000 -800 -600 -400 -200 0 200 400 600 800 10 -0.2 -0.4 -0.6 Distance from HT (m) • AERMOD and ISC use idealised approaches • CALPUFF uses 3D time dependent flow field
Complex Terrain II: ADMS and AERMOD Comparison in Neutral flow US EPA Wind Tunnel Data Lawson, Snyder and Thompson (1989) Ratio of complex terrain to flat terrain maximum concentrations as function of stack height and location ADMS AERMOD 750 500 250 0 -1500 -1000 -500 0 500 1000 1500 2000 750 500 250 0 -1500 -1000 -500 0 500 1000 1500 2000 25.0 20.0 15.0 10.0 5.0 2.5 2.0 1.5 1.0 0.5 0.0
- Page 1 and 2: Comparison of Air Dispersion Models
- Page 3 and 4: Comparison of ADMS, AERMOD and CALP
- Page 5 and 6: Comparison of ADMS, ARMOD and CALPU
- Page 7 and 8: Flat terrain II Kincaid power plant
- Page 9 and 10: Flat terrain IV- Kincaid power plan
- Page 11 and 12: Flat Terrain VI - Prairie Grass Pra
- Page 13 and 14: Flat Terrain VIII Power Plant Compa
- Page 15 and 16: Building Effects I • Two plume ap
- Page 17 and 18: Building Effects III Robins & Castr
- Page 19: Building Effects V Snyder Experimen
- Page 23 and 24: Complex Terrain IV, CALPUFF: Wyomin
- Page 25 and 26: Road Traffic Emissions I US CALTRAN
- Page 28 and 29: Summary • Dispersion models in us
- Page 30 and 31: ADMS-Roads M4 calculated and monito
Complex Terrain II: ADMS and AERMOD<br />
Comparison in Neutral flow<br />
US EPA Wind Tunnel Data<br />
Lawson, Snyder and<br />
Thompson (1989)<br />
Ratio of complex terrain<br />
to flat terrain maximum<br />
concentrations as<br />
function of stack height<br />
and location<br />
ADMS<br />
AERMOD<br />
750<br />
500<br />
250<br />
0<br />
-1500 -1000 -500 0 500 1000 1500 2000<br />
750<br />
500<br />
250<br />
0<br />
-1500 -1000 -500 0 500 1000 1500 2000<br />
25.0<br />
20.0<br />
15.0<br />
10.0<br />
5.0<br />
2.5<br />
2.0<br />
1.5<br />
1.0<br />
0.5<br />
0.0
Change language