… Passive scalar dispersion experiments performed in this study took place in a velocity field
(Sect. 4) that is different than that presented in Fackrell and Robins (1982a), since it develops …

… plume measurements of the first four moments of the concentration PDF of a passive scalar
dispersing in grid turbulence… of the velocity field within a turbulent boundary layer, several …

… is driven by relative dispersion, and is defined as a function of local velocity variance, mean
… the dispersion of a passive scalar fluctuating plume in the neutral boundary layer and …

… description of concentration and velocity statistics. The … a fluctuating pollutant plume
within the Turbulent Boundary … the dispersion mechanisms within a turbulent boundary layer: …

… line source emitting a passive scalar plume at the wall. … ) is shown in part (c), and the velocity
component vector field … of the scalar concentration and the velocity vector fluctuations using …

… the plume was attributed to wall-normal velocity fluctuations … scalar flux above the plume
centreline, while high-speed … to positive streamwise scalar flux below the plume centreline. …

… Dispersion of a passive scalar released from a point source in a turbulent boundary layer …
velocity fluctuations in plume meandering, we have conducted smoke visualisation of the …

… Figure 4 shows the profiles of the root-mean-square (rms) velocity fluctuations, δu and δw,
and … for the streamwise velocity fluctuations. This is expected as the DNS is for an idealized …

… in terms of dispersion in the laboratory boundary layer, with no … where k is the energy of the
turbulent-velocity fluctuations … and, as already indicated, a passive scalar with no transfer is a …

… investigation of turbulent dispersion of a saline plume of … L, of streamwise velocity fluctuations
increased gradually from … fluid part, denoted by F- (X), that is caused by plume meandering …