Title of article
Effect of ultrasonic irradiation on nucleation phenomena in a Na2HPO4 · 12H2O melt being used as a heat storage material
Author/Authors
Miyasaka، نويسنده , , Etsuko and Takai، نويسنده , , Masakazu and Hidaka، نويسنده , , Hideto and Kakimoto، نويسنده , , Yoshihide and Hirasawa، نويسنده , , Izumi، نويسنده ,
Pages
5
From page
308
To page
312
Abstract
The effect of ultrasound on nucleation phenomena in the heat storage material Na2HPO4 · 12H2O was investigated by determining the primary nucleation probability and induction time, and by looking at heat generation phenomena in the initial stage of nucleation. The experimental results show that the primary nucleation probability dramatically increased, and the induction time decreased under the ultrasound irradiation, and in addition, the rate of temperature rise was dependent upon the ultrasonic output. Based on these results and the theoretical relationship between the number of primary nuclei and the heat generation rate, it is proposed that the number of primary nuclei depends upon the ultrasonic output.
Keywords
Ultrasound , Primary nucleation , crystallization , Heat storage material , Heat generation rate
Journal title
Astroparticle Physics
Record number
2005990
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