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<p>The sensible energy storage system offers a reliable solution to store excess thermal energy for a wide range of thermal applications. The thermal performance of the storage system largely depends on the temperature distribution in the storage matrix during the charging/discharging process. The present study experimentally investigates the concrete-based tubular storage system with a centrally located passage under varying heat transfer fluid (HTF) inlet temperature from 45 to 85&#xa0;°C at a mass flow rate of 0.018&#xa0;kg s<sup>−1</sup>. The temperature–time history along radial and axial directions is discussed to understand the thermal behaviour of different regions in the storage system.</p>

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Thermal characteristics of a tubular energy storage system with a central passage

  • 期刊论文

  • 发表日期：

    2026年3月14日

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  • Pratyush Anand Burnwal,
  • Pankaj Singh Manral,
  • Ravi Kumar,
  • Anil Kumar Patil,
  • Manoj Kumar

摘要

The sensible energy storage system offers a reliable solution to store excess thermal energy for a wide range of thermal applications. The thermal performance of the storage system largely depends on the temperature distribution in the storage matrix during the charging/discharging process. The present study experimentally investigates the concrete-based tubular storage system with a centrally located passage under varying heat transfer fluid (HTF) inlet temperature from 45 to 85 °C at a mass flow rate of 0.018 kg s−1. The temperature–time history along radial and axial directions is discussed to understand the thermal behaviour of different regions in the storage system.