2017
DOI: 10.3390/en10070974
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Thermal Performance of a Vertical U-Shaped Thermosyphon Containing a Phase-Change Material Suspension Fluid

Abstract: This study investigated the thermal performance of a vertical U-shaped thermosyphon containing a phase-change material (PCM) suspension fluid via experimentation. The heating and cooling sections were located at the top and bottom of the loop, respectively. The lengths of the heating and cooling sections each accounted for one fifth of the height of the loop. Pure water and a PCM (octadecane) suspension fluid were used to fill the loop to compare the thermal performance of the thermosyphon under different heat… Show more

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Cited by 7 publications
(2 citation statements)
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“…Regarding the choice of working fluid, after the addition of suspended particles of the phase change material (PCM) to a working fluid, fine solid-liquid PCM particles are dispersed in a carrier or suspending working fluid (PCM slurries [6] or PCM suspensions), and the absorption and release of latent heat by PCM particles at different positions can be utilized to reduce the maximum temperature of the target facility or improve the heat transfer efficiency of the system. The manufacturing methods of PCM particles can be divided into the categories of microencapsulation technology [7] and emulsion technology [8]. In microencapsulation technology, PCM is encapsulated by polymer materials to separate the dispersed phase (PCM) and the dispersion medium (such as water and glycerin), so that the PCM particles can be suspended in the dispersion medium.…”
Section: Introductionmentioning
confidence: 99%
“…Regarding the choice of working fluid, after the addition of suspended particles of the phase change material (PCM) to a working fluid, fine solid-liquid PCM particles are dispersed in a carrier or suspending working fluid (PCM slurries [6] or PCM suspensions), and the absorption and release of latent heat by PCM particles at different positions can be utilized to reduce the maximum temperature of the target facility or improve the heat transfer efficiency of the system. The manufacturing methods of PCM particles can be divided into the categories of microencapsulation technology [7] and emulsion technology [8]. In microencapsulation technology, PCM is encapsulated by polymer materials to separate the dispersed phase (PCM) and the dispersion medium (such as water and glycerin), so that the PCM particles can be suspended in the dispersion medium.…”
Section: Introductionmentioning
confidence: 99%
“…The latent heat of absorption and release of the PCM can be used to reduce the maximum temperature and increase heat transfer in a loop. PCM particles can be prepared by microencapsulation technology [1][2][3][4][5] or emulsion technology [6][7][8]. In microencapsulation, polymer materials cover the PCM to create a barrier between the dispersed phase (PCM) and the dispersion medium (such as water and glycerol) that results in the suspension of PCM particles in the dispersion medium.…”
Section: Introductionmentioning
confidence: 99%