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Studying the Improvement of Solar Collector Mechanism with Phase Change Materials

Author

Listed:
  • Maha Rahman Rahi

    (College of Engineering, Samarra University, Samara 443086, Iraq)

  • Saba Ostadi

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Amin Rahmani

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Mahdieh Dibaj

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Mohammad Akrami

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

Abstract

This study delves into the integration of phase change materials (PCM) in solar thermal collector systems to address this challenge. By incorporating nano encapsulated PCMs, researchers have mitigated concerns surrounding PCM leakage, revolutionizing the potential of solar collector systems to elevate energy efficiency, diminish carbon emissions, and yield manifold benefits. This article comprehensively investigates the design and utilization of solar phase change energy storage devices and examines the transformative impact of employing nano-coated phase change materials (Nano capsules) to augment solar collector performance. The integration of paraffin-based PCM and the insulation of the collector system have been crucial in optimizing heat retention and operational efficacy. The composition of the PCM involves a balanced blend of octadecane phase-change particles and water as the base fluid, designed to maximize thermal performance. Analysis of the experimental findings demonstrates the dynamic thermal behavior of the nano encapsulated phase change material, revealing distinctive temperature profiles about fluid dynamics and absorbent characteristics. Notably, the study emphasizes the nuanced trade-offs associated with the conductivity and melting temperature of the Nano encapsulated PCM, yielding valuable insights into energy storage capacity limitations and thermal performance variations throughout diurnal cycles. Central to the investigation, the optimal nanoparticle proportion is elucidated, shedding light on its pivotal role in modulating PCM performance. Furthermore, findings underscore the complex interplay between nanoparticle volume fraction and thermal fluid temperature, providing critical perspectives on optimizing PCM-enhanced solar collector systems.

Suggested Citation

  • Maha Rahman Rahi & Saba Ostadi & Amin Rahmani & Mahdieh Dibaj & Mohammad Akrami, 2024. "Studying the Improvement of Solar Collector Mechanism with Phase Change Materials," Energies, MDPI, vol. 17(6), pages 1-22, March.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:6:p:1432-:d:1358098
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    References listed on IDEAS

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    1. Kürklü, Ahmet & Özmerzi, Aziz & Bilgin, Sefai, 2002. "Thermal performance of a water-phase change material solar collector," Renewable Energy, Elsevier, vol. 26(3), pages 391-399.
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