Physicochemical Processes of Single Liquid and Solid Particles in an Electrodynamic Chamber

Physicochemical processes of single liquid and solid particles have been studied in an electrodynamic chamber (EDC) in the size from 0.1 to 250 micron and in the temperature range 300-3500 K. From the forces applied on a heated particle suspended in an EDC (gravity, electric, free convection, photophoretic, imposed flow) one can deduce valuable information on significant changes that the particle is undergoing. Furthermore, one can measure in the EDC the following properties or quantities in real time: temperature, mass, shape and dimensions, density, porosity, total surface area, active surface area, heat capacity, thermal conductivity, optical properties, and reaction rate). Topics in the following areas have been investigated by the EDC: (1) Hydrodynamics (laminar flow). (2) Mass transport (evaporation, free convection). (3) Spectroscopy (Raman and Mie scattering, IR). (4) Surface chemistry (adsorptiondesorption). (5) High temperature chemistry (oxidation, combustion, gasification, pyrolysis, decomposition, ignition, explosion) (6) Phase transition (melting) (7) Radiation (emission, photophoresis, internal absorption, pyrometry). (8) Solid state (charge transfer). (9) Morphology (evolution of pore structure). (10) Electrodynamics (stability, motion of charged particles) (11) Electro-optical Control (PID).