Experimental study on solar heat battery using phase change materials for parabolic dish collectors

Ramalingam Senthil; Inbaraj Infanta Mary Priya; Mukund Gupta; Chinmaya Rath; Nilanshu Ghosh

doi:10.14710/ijred.2021.38376

Experimental study on solar heat battery using phase change materials for parabolic dish collectors

Ramalingam Senthil^*, Inbaraj Infanta Mary Priya, Mukund Gupta, Chinmaya Rath, Nilanshu Ghosh

^*Corresponding author for this work

Electrical Sustainable Energy

Research output: Contribution to journal › Article › Scientific › peer-review

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41 Downloads (Pure)

Abstract

Energy consumption has increased with the population increase, and fossil fuel dependency has risen and causing pollutions. Solar energy is suitable to provide society's thermo-electric needs. Thermal energy storage-based concentrated solar receivers are aimed at store heat energy and transportable to the applications. A cavity receiver with two-phase change materials (PCM) is experimentally investigated using a parabolic dish collector to act as the solar heat battery. The selected PCMs are MgCl2.6H2O and KNO3-NaNO3. PCMs are chosen and placed as per the temperature zones of the receiver. The outdoor test was conducted to determine the conical receiver's storage performance using cascaded PCMs. The complete melting of PCM attains at an average receiver surface temperature of 230°C. The complete melting of the PCM in the receiver took around 30 minutes at average radiation around 700 W/m^2, and heat stored is approximately 5000 kJ. The estimated number of cavity receivers to be charged on a sunny day is about 10-15 according to the present design and selected PCMs, for later use.

Original language	English
Pages (from-to)	819-825
Number of pages	7
Journal	International Journal of Renewable Energy Development
Volume	10
Issue number	4
DOIs	https://doi.org/10.14710/ijred.2021.38376
Publication status	Published - 2021

Keywords

Cascaded PCM
Heat battery
Parabolic dish
Phase change material
Solar energy
Thermal energy storage

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.14710/ijred.2021.38376

38376-121325-1-PBFinal published version, 1.56 MBLicence: CC BY

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title = "Experimental study on solar heat battery using phase change materials for parabolic dish collectors",

abstract = "Energy consumption has increased with the population increase, and fossil fuel dependency has risen and causing pollutions. Solar energy is suitable to provide society's thermo-electric needs. Thermal energy storage-based concentrated solar receivers are aimed at store heat energy and transportable to the applications. A cavity receiver with two-phase change materials (PCM) is experimentally investigated using a parabolic dish collector to act as the solar heat battery. The selected PCMs are MgCl2.6H2O and KNO3-NaNO3. PCMs are chosen and placed as per the temperature zones of the receiver. The outdoor test was conducted to determine the conical receiver's storage performance using cascaded PCMs. The complete melting of PCM attains at an average receiver surface temperature of 230°C. The complete melting of the PCM in the receiver took around 30 minutes at average radiation around 700 W/m2, and heat stored is approximately 5000 kJ. The estimated number of cavity receivers to be charged on a sunny day is about 10-15 according to the present design and selected PCMs, for later use.",

keywords = "Cascaded PCM, Heat battery, Parabolic dish, Phase change material, Solar energy, Thermal energy storage",

author = "Ramalingam Senthil and Priya, {Inbaraj Infanta Mary} and Mukund Gupta and Chinmaya Rath and Nilanshu Ghosh",

year = "2021",

doi = "10.14710/ijred.2021.38376",

language = "English",

volume = "10",

pages = "819--825",

journal = "International Journal of Renewable Energy Development",

issn = "2252-4940",

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T1 - Experimental study on solar heat battery using phase change materials for parabolic dish collectors

AU - Senthil, Ramalingam

AU - Priya, Inbaraj Infanta Mary

AU - Gupta, Mukund

AU - Rath, Chinmaya

AU - Ghosh, Nilanshu

PY - 2021

Y1 - 2021

N2 - Energy consumption has increased with the population increase, and fossil fuel dependency has risen and causing pollutions. Solar energy is suitable to provide society's thermo-electric needs. Thermal energy storage-based concentrated solar receivers are aimed at store heat energy and transportable to the applications. A cavity receiver with two-phase change materials (PCM) is experimentally investigated using a parabolic dish collector to act as the solar heat battery. The selected PCMs are MgCl2.6H2O and KNO3-NaNO3. PCMs are chosen and placed as per the temperature zones of the receiver. The outdoor test was conducted to determine the conical receiver's storage performance using cascaded PCMs. The complete melting of PCM attains at an average receiver surface temperature of 230°C. The complete melting of the PCM in the receiver took around 30 minutes at average radiation around 700 W/m2, and heat stored is approximately 5000 kJ. The estimated number of cavity receivers to be charged on a sunny day is about 10-15 according to the present design and selected PCMs, for later use.

AB - Energy consumption has increased with the population increase, and fossil fuel dependency has risen and causing pollutions. Solar energy is suitable to provide society's thermo-electric needs. Thermal energy storage-based concentrated solar receivers are aimed at store heat energy and transportable to the applications. A cavity receiver with two-phase change materials (PCM) is experimentally investigated using a parabolic dish collector to act as the solar heat battery. The selected PCMs are MgCl2.6H2O and KNO3-NaNO3. PCMs are chosen and placed as per the temperature zones of the receiver. The outdoor test was conducted to determine the conical receiver's storage performance using cascaded PCMs. The complete melting of PCM attains at an average receiver surface temperature of 230°C. The complete melting of the PCM in the receiver took around 30 minutes at average radiation around 700 W/m2, and heat stored is approximately 5000 kJ. The estimated number of cavity receivers to be charged on a sunny day is about 10-15 according to the present design and selected PCMs, for later use.

KW - Cascaded PCM

KW - Heat battery

KW - Parabolic dish

KW - Phase change material

KW - Solar energy

KW - Thermal energy storage

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DO - 10.14710/ijred.2021.38376

M3 - Article

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JO - International Journal of Renewable Energy Development

JF - International Journal of Renewable Energy Development

IS - 4

ER -

Experimental study on solar heat battery using phase change materials for parabolic dish collectors

Abstract

Keywords

UN SDGs

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