Thermo-physical investigation and experimental discharge characteristics of lauryl alcohol as a potential phase change material for thermal management in buildings

Veerakumar, C.; Saritha, Appukuttan

doi:10.1016/j.renene.2019.10.055

Cited by 46 publications

(13 citation statements)

References 26 publications

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“…By considering the values from DSC curve of 0th cycle as reference, relative percentage difference of melting point, freezing point and corresponding latent heats at different thermal cycles are calculated using the Equation (2) 17,29 and presented in Table 4.

RPD = \frac{X_{n . i} - X_{0 . i}}{X_{0 . i}} X 100 %

where i refers to the properties of eutectic PCM like melting temperature and LHF, X 0. i and X n. i refers to 0th and n th cycle values.…”

Section: Resultsmentioning

confidence: 99%

“…The onset, peak and endset melting and freezing point with corresponding latent heats at different thermal cycles are presented in Table 3. By considering the values from DSC curve of 0th cycle as reference, relative percentage difference of melting point, freezing point and corresponding latent heats at different thermal cycles are calculated using the Equation (2) 17,29 and presented in Table 4.…”

Section: Accelerated Thermal Cycling Testmentioning

confidence: 99%

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Thermo‐physical investigation of butyl stearate as potential phase change material for thermal energy storage in cooling application

Chinnasamy

Saritha

2020

Energy Storage

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Phase change material (PCM) based energy storage technology is a promising solution to conserve thermal energy. This work involves studies on thermophysical properties of butyl stearate as PCM for thermal comfort application and its corrosion compatibility with commonly used heat exchanger construction materials. The thermophysical properties of butyl stearate is studied using differential scanning calorimetry and the result shows that the peak melting and freezing temperatures are 18.64 C and 13.28 C, respectively. The latent heat of melting and freezing are 120.59 Jg −1 and 120.70 Jg −1 , respectively. The accelerated thermal cycling test reveals that butyl stearate is stable upto 1000 repeated thermal cycles. The thermogravimetric studies and Fourier transform infrared spectroscopy confirm that butyl stearate is thermally and chemically stable. The results of corrosion test provide information about selection of construction materials for heat exchanger and encapsulation in real-time application. Butyl stearate is a potential PCM which can be used in thermal energy storage system for thermal comfort application.

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RPD = \frac{X_{n . i} - X_{0 . i}}{X_{0 . i}} X 100 %

where i refers to the properties of eutectic PCM like melting temperature and LHF, X 0. i and X n. i refers to 0th and n th cycle values.…”

Section: Resultsmentioning

confidence: 99%

Section: Accelerated Thermal Cycling Testmentioning

confidence: 99%

Thermo‐physical investigation of butyl stearate as potential phase change material for thermal energy storage in cooling application

Chinnasamy

Saritha

2020

Energy Storage

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“…Both the PCMs are of 98% purity and used directly from the chemical supplier without any further processing. The thermophysical properties of these PCMs were investigated in detail in the previous works of same authors 20,21 . The thermophysical details of the PCMs used in this study are presented in Table 1.…”

Section: Methodsmentioning

confidence: 99%

“…The thermophysical properties of these PCMs were investigated in detail in the previous works of same authors. 20,21 The thermophysical details of the PCMs used in this study are presented in Table 1.…”

Section: Methodsmentioning

confidence: 99%

Experimental charging/discharging studies of organic phase change materials for cold thermal energy storage application

Chinnasamy

Saritha

2021

Energy Storage

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This article presents the experimental charging and discharging characteristics of two organic phase change materials (PCMs) for the application of cold thermal energy storage. Lauryl alcohol and butyl stearate were encapsulated in rectangular encapsulation and the experimental study was carried out in vapor compression refrigeration system. The experiment also conducted for different masses of PCMs and the result showed that lauryl alcohol shows stable phase change with less temperature variation of 3.5°C during the charging and discharging which is not evidenced in butyl stearate. Also, the discharging duration is more in lauryl alcohol than butyl stearate due to its high energy density. The discharge in lauryl alcohol occurs for more than two times of the discharge time of the butyl stearate. Both the PCMs produced cooling inside the chamber during the experiment but comparatively lauryl alcohol advances in the real‐time performance and recommended for cold thermal energy storage applications.

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“…It demonstrates that the PCM-based thermal energy is indeed the passive thermal management [15], i.e., the human efforts and the temperature controllers are not required for thermal regulation of buildings. However, despite much work on PCM-driven thermal management of buildings [16], the challenges posed by the PCM still exist, e.g., encompassing liquid drainage threats [17], compatibility with building materials (cement, sand, or their mixtures) [18] and temperature mismatch necessary for the human comfort zone [19]. The criterion of avoiding the temperature mismatch is dependent on the temperature of the human comfort zone [20].…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Analyses of Thermal Storage Tile-Bricks for Efficient Thermal Management of Buildings

et al. 2021

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Due to the tremendous increase in the population and emerging energy crisis, the surging demand for the thermal management of buildings has become essential. Thermal management of buildings is of high importance for maintaining optimum thermal comfort and controlling the drastic environmental impacts. To avoid high energy consumption strategies and continuous operation such as active air heaters and air conditioners, passive strategies driven by phase change material-based thermal storage are expected to leverage the energy challenges. This work attempts to present the form-stabilized thermal storage tile-bricks (TSTBs) that are fabricated by a combination of octadecane, phosphogypsum, kaolin clay and cement. The optimal percent contents of each entity were found with respect to the design criterion of form-stability and effective temperature control capacity. Two TSTBs with a thickness of 10 mm and 15 mm were constructed, which are then applied on ordinary clay bricks to build a prototype wall. The optimal TSTBs are experimentally and numerically evaluated by subjecting them to transient thermal performance analysis, providing longer temperature retardation (~3000 s) compared with ordinary clay bricks (~400 s). It is thus implied that TSTBs can provide a viable solution against energy mismanagement by inhibiting the heating in summer and reserving the cold in winter.

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Thermo-physical investigation and experimental discharge characteristics of lauryl alcohol as a potential phase change material for thermal management in buildings

Cited by 46 publications

References 26 publications

Thermo‐physical investigation of butyl stearate as potential phase change material for thermal energy storage in cooling application

Thermo‐physical investigation of butyl stearate as potential phase change material for thermal energy storage in cooling application

Experimental charging/discharging studies of organic phase change materials for cold thermal energy storage application

Experimental and Numerical Analyses of Thermal Storage Tile-Bricks for Efficient Thermal Management of Buildings

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