Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session S40: DFD VII
8:00 AM–10:12 AM,
Thursday, March 7, 2024
Room: 103F
Sponsoring
Unit:
DFD
Chair: Sangwoo Shin, University at Buffalo, The State University of New York
Abstract: S40.00011 : Effect of Particle Surface Properties on Dispersion at Air-Water Interface
10:00 AM–10:12 AM
Presenter:
Kha-I To
(Okinawa Institute of Science & Technology)
Authors:
Kha-I To
(Okinawa Institute of Science & Technology)
Rohit K Vishwakarma
(Okinawa Institute of Science & Technology)
Mahesh M Bandi
(Okinawa Institute of Science & Technology)
In our experiments, we remove the impurities and surfactants and find the cleaning becomes significant. Notably, the addition or elimination of water rinsing in the cleaning process can either activate or deactivate this rapid spreading behavior. Complemented by Fourier-transform infrared spectroscopy (FTIR) measurements, our results suggest that the presence of water on the silica surface plays an important role in changing particle dispersion behavior at the air-water interface.
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