Heat transfer enhancement in a PV cell using Boehmite nanofluid
作者： Nooshin Karami , Masoud Rahimi
DOI: 10.1016/J.ENCONMAN.2014.05.037
关键词: Helical channel 、 Boehmite 、 Volumetric flow rate 、 Hydraulic diameter 、 Electronic engineering 、 Heat transfer enhancement 、 Electrical efficiency 、 Materials science 、 Nanofluid 、 Composite material
摘要: Abstract Experiments were conducted to investigate the cooling performance of channels by water-based nanofluids containing small concentrations Boehmite (AlOOH⋅ x H 2 O) for PV cell. The fabricated in two different configurations as straight and helical. channel consists 23 parallel rectangular with a hydraulic diameter 4.1 mm, length 24.5 cm, width 5 mm depth 3.5 mm. For helical configuration plate was divided into four symmetrical sections which, each part contains 5 mm, 3.5 mm 4.1 mm. nanofluid assessed from results obtained average temperature electrical output Results showed that perform better than water caused higher decrease cell temperature. They about 39.70% 53.76% 0.1 wt.% (the best case) at flow rate 80 ml/min channel, respectively. Moreover, highest relative reference observed concentration both channels. This led efficiency 20.57% 37.67% Furthermore, power-hydraulics defined compare studied works more efficient way compared one.
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