JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Online ISSN : 1881-1299
Print ISSN : 0021-9592
Process Systems Engineering
Heat Transfer across Liquid-Solid Interface in the Absence and Presence of Acoustic Streaming
Yool Kwon OhSeul Hyun Park
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2003 Volume 36 Issue 8 Pages 985-990

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Abstract
A heat flow was measured in the absence of and in the presence of acoustic streaming. The streaming produced by ultrasonic transducers was visualized by a particle imaging velocimetry (PIV) and an infrared thermal camera. The experimental results revealed that acoustic streaming could accelerate the melting process as much as 2.5 times, compared to the rate of natural melting (i.e., the melting without acoustic streaming). In addition, temperature and Nusselt numbers over time provided conclusive evidence of the important role of acoustic streaming on the melting phenomena of the phase change material (PCM).
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© 2003 The Society of Chemical Engineers, Japan
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