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<p>This study aims to evaluate the water depth of an active conical solar still that is integrated into partially covered N-photovoltaic thermal compound parabolic concentrator collectors (N-PVT-CPC) to make the system self-sustaining. The suggested system employs solar energy to desalinate water, and its conical shape maximizes solar absorption due to its geometry. Mathematical modelling is performed on MATLAB (R2024a) at various water depths ranging from 0.01 to 0.23 m using a simplified energy balance equation for each system component at the New Delhi location in April. It is seen that the system has optimized at the 0.10 m depth of water after that the increment in yield is very minimal. The results also reveal that the thermal efficiency and rate of evaporation of solar still depend on the water depth. Furthermore, the suggested system is compared to the passive conical solar still, and the yield is enhanced by 43.47 %.</p>

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Analyzing the influence of water depth on active conical solar still performance

  • 期刊论文

  • 发表日期：

    2025年4月2日

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  • Nandan Kumar,
  • Abhishek Saxena,
  • Desh Bandhu Singh,
  • Sumit Tiwari,
  • Shiv Lal,
  • Harender

摘要

This study aims to evaluate the water depth of an active conical solar still that is integrated into partially covered N-photovoltaic thermal compound parabolic concentrator collectors (N-PVT-CPC) to make the system self-sustaining. The suggested system employs solar energy to desalinate water, and its conical shape maximizes solar absorption due to its geometry. Mathematical modelling is performed on MATLAB (R2024a) at various water depths ranging from 0.01 to 0.23 m using a simplified energy balance equation for each system component at the New Delhi location in April. It is seen that the system has optimized at the 0.10 m depth of water after that the increment in yield is very minimal. The results also reveal that the thermal efficiency and rate of evaporation of solar still depend on the water depth. Furthermore, the suggested system is compared to the passive conical solar still, and the yield is enhanced by 43.47 %.