K inetic Metho ds for Predicting F low Phys ics of Small Thrus ter Expans ions
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Measurement of the (quasi)-self-diffusion coefficient of solutions of Brownian macroparticles
Ds of a dilute suspension of 0.15 J.t polystyrene spheres moving through concentrated suspensions of 0.038 J.t polystyrene spheres was determined with light scattering spectroscopy. Solutions from which small ions had been rigorously excluded were compared with suspensions containing such ions. If the concentration dependence of Ds is Ds = Do (1 + J..¢ ), ¢ being the volume fraction of 0.038 J....
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