Accelerated Thermal Cycling Test of Microencapsulated Paraffin Wax/Polyaniline Made by Simple Preparation Method for Solar Thermal Energy Storage

Silakhori, Mahyar; Naghavi, M.S.; Metselaar, Hendrik Simon Cornelis; Mahlia, T.M.I.; Fauzi, Hadi; Mehrali, Mohammad

doi:10.3390/ma6051608

Cited by 89 publications

(42 citation statements)

References 22 publications

(26 reference statements)

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“…Thermal cycling test device is operated in this study until 1000 cycles. The amount of those cycles are similar to the research of Silakhori M et al [22]. In Fig 4 shows the schematic of thermal cycling test.…”

Section: Thermal Cycling Testsupporting

confidence: 65%

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New method of thermal cycling stability test of phase change material

et al. 2017

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Abstract. Phase Change Material (PCM) is the most promising material as thermal energy storage nowadays. As thermal energy storage, examination on endurance of material for long-term use is necessary to be carried out. Therefore, thermal cycling test is performed to ensure thermal stability of PCM. This study have found a new method on thermal cycling test of PCM sample by using thermoelectric as heating and cooling element. RT 22 HC was used as PCM sample on this thermal cycling test. The new method had many advantages compared to some references of the same test. It just needed a small container for PCM sample. The thermoelectric could release heat to PCM sample and absorb heat from PCM sample uniformly, respectively, was called as heating and cooling process. Hence, thermoelectric had to be supported by a relay control device to change its polarity so it could heat and cool PCM sample alternately and automatically. On the other hand, the thermoelectric was cheap, easy to be found and available in markets. It can be concluded that new method of thermal cycling test by using thermoelectric as source of heating and cooling can be a new reference for performing thermal cycling test on PCM.

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Section: Thermal Cycling Testsupporting

confidence: 65%

“…Silakhori M et al utilized stainless steel heater which was sticked on a rectangular box that made of copper and filled by PCM sample to be heated. A heat pipe heat sink with fan was also sticked on that box to help the cooling process [22].…”

Section: Introductionmentioning

confidence: 99%

New method of thermal cycling stability test of phase change material

et al. 2017

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“…As shown in Fig. 2b~d, however, the fractured surfaces of the LDPE/PW composite films grew rougher with increasing PW content, producing micron-sized crystals [34,35]. The gray regions and round spots indicate the bulk of the LDPE matrix and PW, respectively, showing that there is an apparent phase separation between LDPE and PW.…”

Section: Morphological Structurementioning

confidence: 90%

Effects of the paraffin wax (PW) content on the thermal and permeation properties of the LDPE/PW composite films

et al. 2015

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A series of low density polyethylene/paraffin wax (LDPE/PW) composite films were fabricated via a twin-screw extruder, and their morphologies, thermal properties, gas and vapor permeations, and surface properties were interpreted as functions of the PW contents. The PW was well dispersed into the LDPE matrix at low PW contents, whereas phase separation and an increase in surface roughness occurred with increasing PW content. The parameter results of surface properties such as contact angle, surface free energy, and solubility showed that the hydrophobicity of the LDPE/PW composite films also increased, and their phase changes and permeation properties were significantly dependent on the PW contents in the LDPE matrix. With increasing PW contents, both the oxygen transmittance rate (OTR) and water vapor transmittance rate (WVTR) of the LDPE/PW composite films decreased at a relatively low measuring temperature (23°C), and increased at a relatively high temperature (48°C). These results relate to the morphological structure (including tortuous paths and crystallinity) of the composite films via the incorporation of PW.

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“…The thermal cycling test revealed that the thermal reliability of these three PCMs were good after 500 and 1000 thermal cycles [14]. Silakhori et al studied the 1000 thermal cycles of the micro-encapsulated paraffin wax/polyaniline and reported that developed PCM was stable with respect to the thermal cycles [15].…”

Section: Introductionmentioning

confidence: 98%