Bubble formation and interface phenomena of aqueous solution under microwave irradiation
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© 2016 Elsevier LtdWater behavior during and after microwave irradiation is important phenomena for industrial applications. Recently, we reported a non-thermal effect of microwave on water surface tension. The bubble formation during microwave irradiation was suggested as one of the underpinning causes. This study examined the possibility by monitoring bubble formation during and after microwave irradiation. Moreover, the influence of NaCl on surface tension and bubble formation were also investigated. It was found that the presence of NaCl strongly increased both bubble formation and surface tension effect. The results indicated that bubble formation played an important role in surface tension reduction. The phenomena can provide useful pathways to improve the efficiency of chemical processes with microwave.
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Asakuma, Y.; Matsumura, S.; Asada, M.; Phan, Chi (2018)Recently, the in-situ IMPACT of MICROWAVES on the behavior of aqueous solutions have been reported. The results, including surface tension and in situ bubble formation, indicated a nonthermal effect of microwave on ...
Asakuma, Y.; Nakata, R.; Saptoro, Agus (2017)Â© 2017 Elsevier B.V. In this study, bubble formation phenomena in the dispersion medium of magnetite nanoparticle in water during microwave irradiation were investigated. From the experimental results, it was found that ...
Asada, M.; Kanazawa, Y.; Asakum, Y.; Honda, I.; Phan, Chi; Parmar, Harisinh Bhikhubhai; Pareek, Vishnu; Evans, G. (2014)In this study, microwave irradiation is applied to a liquid droplet and the surface tension, the circulation flow and temperature of water droplet are measured dynamically under the irradiation. The droplet was allowed ...