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The aim is to evaluate heat transfer performance in latent heat thermal energy storage systems using nanoparticle-enhanced phase change materials.

March 10, 2026Heat Transfer

Performance Evaluation of Nanoparticle Dispersed Phase Change Material Charging in Thermal Energy Storage System Featuring Longitudinal Fins

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Experimental and numerical investigation demonstrates improved heat transfer in thermal energy storage systems, indicating enhanced efficiency.

The aim is to evaluate heat transfer performance in latent heat thermal energy storage systems using nanoparticle-enhanced phase change materials.
Conducted experimental and numerical analysis of a finned latent heat thermal energy storage unit.
Examined effects of Al2O3 nanoparticles on phase change materials at different volume percentages.
Developed a transient enthalpy–porosity model validated against experimental data.
Utilized dual-sided heating configurations for improved thermal distribution.
Achieved complete melting of phase change material within 4 hours under dual-sided heating.
Increased effective thermal conductivity to 0.265 W/m·K with 10 vol.% Al2O3 nanoparticles.
Observed reduced thermal gradients due to fin-assisted conduction and enhanced heat transport.
Optimal thermal response noted at a flow rate of 29.4 kg/min.

Abdulateef et al. (2026) studied this question.

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Experimental and numerical investigation demonstrates improved heat transfer in thermal energy storage systems, indicating enhanced efficiency.