Effect of nanofluid concentration on the performance of PV/T collector under the tropical climate of Indonesia
Keywords:
Solar, Collector, PV/T, nanofluid, tropicalAbstract
Solar energy is a very potential and most abundant source energy available and it is free of cost in consuming this type of energy. Flat plate solar collector is a device that can transform solar energy into the thermal energy and can be implemented to PV/T solar collector. In this study, a modified flat-plate PV/T solar collector was built by attaching the thermal collector underneath the PV collector surface. The application of nanofluid in the PV/T solar collector as a heat-absorbing medium needs to be developed and characterized in different environments condition. The effect of nanofluid concentration on the performance of the PV/T collector was investigated according to EN 12975-2 standard. The volume fraction of the nanoparticles used in the present study were 0.3%, 0.6% and 0.9%, respectively. The efficiency of the system was compared to the water as a base fluid performed in low latitude tropical region (Bandar Lampung climate). The experimental result shows that an increase of zero thermal efficiency up to 18% which is obtained by using nanofluid at the volume fraction of 0,9%.
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