Table 1 Comparison between NOx concentration values calculated with the calibration method and values measured at two other stations.

From: Preliminary study on the spread of air-borne pollutants in urban environment: a CFD simulation approach

 

Measured concentration value (Ug/m3)

Expected concentration value (Ug/m3)

Difference %

NOx total Year Landhutte alle—Cell 4.2 (Ug/m3) 11 Nov

54.385

54.385

CALIB.

Traffic NOx total Year Landhutte alle—Cell 4.2 (Ug/m3)

22.31179487

 

CALIB.

NOx total Year Stachus—Cell 5.4 (Ug/m3) 11 Nov

33.465

  

Traffic NOx total Year Stachus—Cell 4.2 (Ug/m3)

13.72923077

12.36

− 9.99

NOx total Year Lohnstrasse—Cell 3.3 (Ug/m3) 11 Nov

23.13

  

Traffic NOx total Year Lohnstrasse—Cell 4.2 (Ug/m3)

9.489230769

9.37

− 1.24