Effect of Ultrasonic Irradiation on the Crystallization of Sodium Acetate Trihydrate Utilized as Heat Storage Material | Zendy

Seo K. | Zendy; Suzuki S. | Zendy; Kinoshita T. | Zendy; Hirasawa I. | Zendy

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Effect of Ultrasonic Irradiation on the Crystallization of Sodium Acetate Trihydrate Utilized as Heat Storage Material

Author(s) -

Seo K.,

Suzuki S.,

Kinoshita T.,

Hirasawa I.

Publication year - 2012

Publication title -

chemical engineering and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.403

H-Index - 81

eISSN - 1521-4125

pISSN - 0930-7516

DOI - 10.1002/ceat.201100680

Subject(s) - nucleation , crystallization , irradiation , ultrasonic sensor , materials science , sodium , thermodynamics , physics , metallurgy , nuclear physics , acoustics

The effect of ultrasonic irradiation on nucleation phenomena in the heat storage material CH 3 COONa · 3H 2 O was investigated by measuring the nucleation probability and induction time. The experimental results show that the concentration of CH 3 COONa should be operated in the optimum range for CH 3 COONa · 3H 2 O‐selective crystallization. Furthermore, the nucleation probability increased and the induction time decreased with increasing energy input. Consequently, the optimum conditions of ultrasonic irradiation of CH 3 COONa · 3H 2 O are 53 wt‐% CH 3 COONa, 3.0 W of energy input, and Δ T = 10–68 K.

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