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Thermal Analysis of Pure and Nanoparticle-Enhanced PCM—Application in Concentric Tube Heat Exchanger

Author

Listed:
  • M. T. Nitsas

    (School of Mechanical Engineering, National Technical University of Athens, Zografou Campus, 15780 Athens, Greece)

  • I. P. Koronaki

    (School of Mechanical Engineering, National Technical University of Athens, Zografou Campus, 15780 Athens, Greece)

Abstract

In this paper, organic phase change materials are modeled and studied both numerically and computationally. The results are compared with those of other research available in the international literature. Regardless of their heat storing capacity, the low heat conductivity of PCMs constitutes a significant obstacle to the further advancement of technologies pertaining to latent heat energy storage, as it hampers the immediate response of systems both at heat storage and at heat recovery. In this work, two types of nanoparticles are used as enhancing media, and the calculations are repeated in terms of melting front and stored energy enhancement. The results show that a 6.5% value for the melt percentage enhancement and a 5.5% value for the heat stored enhancement are exhibited when copper nanoparticles are utilized.

Suggested Citation

  • M. T. Nitsas & I. P. Koronaki, 2020. "Thermal Analysis of Pure and Nanoparticle-Enhanced PCM—Application in Concentric Tube Heat Exchanger," Energies, MDPI, vol. 13(15), pages 1-20, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:3841-:d:390546
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    Citations

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    Cited by:

    1. Abhishek Anand & Karunesh Kant & Amritanshu Shukla & Chang-Ren Chen & Atul Sharma, 2021. "Thermal Stability and Reliability Test of Some Saturated Fatty Acids for Low and Medium Temperature Thermal Energy Storage," Energies, MDPI, vol. 14(15), pages 1-22, July.
    2. Fateh Mebarek-Oudina & Ines Chabani, 2023. "Review on Nano Enhanced PCMs: Insight on nePCM Application in Thermal Management/Storage Systems," Energies, MDPI, vol. 16(3), pages 1-21, January.
    3. R. Andrzejczyk & P. Kozak & T. Muszyński, 2020. "Experimental Investigations on the Influence of Coil Arrangement on Melting/Solidification Processes," Energies, MDPI, vol. 13(23), pages 1-19, December.
    4. Muhammad Saqib & Rafal Andrzejczyk, 2023. "A review of phase change materials and heat enhancement methodologies," Wiley Interdisciplinary Reviews: Energy and Environment, Wiley Blackwell, vol. 12(3), May.
    5. Ali Motevali & Mohammadreza Hasandust Rostami & Gholamhassan Najafi & Wei-Mon Yan, 2021. "Evaluation and Improvement of PCM Melting in Double Tube Heat Exchangers Using Different Combinations of Nanoparticles and PCM (The Case of Renewable Energy Systems)," Sustainability, MDPI, vol. 13(19), pages 1-19, September.
    6. Saulius Pakalka & Kęstutis Valančius & Giedrė Streckienė, 2021. "Experimental and Theoretical Investigation of the Natural Convection Heat Transfer Coefficient in Phase Change Material (PCM) Based Fin-and-Tube Heat Exchanger," Energies, MDPI, vol. 14(3), pages 1-14, January.
    7. Kassianne Tofani & Saeed Tiari, 2021. "Nano-Enhanced Phase Change Materials in Latent Heat Thermal Energy Storage Systems: A Review," Energies, MDPI, vol. 14(13), pages 1-34, June.

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