Schematic of the heating section of ORNL VPS.
Axial temperature profiles of the VPS, measured at three flow rate through the unit.
Schematic of the vapor-particle separation of ORNL VPS.
Experimental setup of the VPS testing in a laboratory environment in a ventilation hood for Fig. 5.
Particle size distributions of dioctyl phthalate particles through the VPS and bypass.
Tandem Differential Mobility Analysis setup for experiments involving single particle sizes.
Particle size distributions of sodium chloride (NaCl) particles in response to the five heating temperatures. (a) is for 17 nm, (b) is for 28 nm, (c) is for 55 nm.
Particle size distributions of dioctyl phthalate (DOP) particles in response to the five heating temperatures. (a) is for 30 nm, (b) is for 50 nm, and (c) is for 80 nm.
Plot of number fractions of particles remained after the heat treatment in VPS. The number fractions were normalized to the number concentration measured at the room temperature.
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