Journal article
A study of the effect of ultrasonic vibrations on phase-change heat transfer
International journal of heat and mass transfer, v 45(23), pp 4631-4641
2002
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The present paper investigates the effect of ultrasonic vibrations on the melting process of a phase-change material (PCM). Furthermore, the present study considers constant heat-flux boundary conditions, whereas much of the previous research had adopted constant wall-temperature conditions. The experimental results revealed that ultrasonic vibrations accompanied the effects like agitation, acoustic streaming, cavitation, and oscillating fluid motion, accelerating the melting process as much as 2.5 times, compared to the rate of natural melting (i.e., the case without ultrasonic vibration). In addition, temperature and Nusselt numbers over time provided conclusive evidence of the important role of the ultrasonic vibrations on the melting phenomena of the PCM.
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Details
- Title
- A study of the effect of ultrasonic vibrations on phase-change heat transfer
- Creators
- Y.K. Oh - Chosun UniversityS.H. Park - Chosun UniversityY.I. Cho - Drexel University
- Publication Details
- International journal of heat and mass transfer, v 45(23), pp 4631-4641
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Web of Science ID
- WOS:000177922500008
- Scopus ID
- 2-s2.0-0037048078
- Other Identifier
- 991019167440504721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Engineering, Mechanical
- Mechanics
- Thermodynamics