What question did this study set out to answer?

To investigate the thermal performance of a PCM-integrated thermal energy storage system for sustainable water heating.

March 28, 2026Next EnergyOpen Access

Experimental investigation of PCM-enhanced thermal energy storage for sustainable water heating applications

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Experimental analysis of PCM-integrated thermal energy storage improves efficiency in heating applications, indicating potential for sustainability.

To investigate the thermal performance of a PCM-integrated thermal energy storage system for sustainable water heating.
Conducted experiments on a cylindrical TES tank with a 1:1 aspect ratio.
Tested two configurations: with and without PCM integration.
Characterized PCM (paraffin wax) using thermo-gravimetric analysis and differential scanning calorimetry.
Increased thermal efficiency from 55.62% to 61.97%.
Extended usable hot water delivery duration by 100% (from 30 min to 60 min).
Enhanced cumulative heat energy release from 21,102 to 24,493 kJ.

Shanmugavalli et al. (2026) studied this question.

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Experimental analysis of PCM-integrated thermal energy storage improves efficiency in heating applications, indicating potential for sustainability.