Evaluation of the nanofluid and nano-PCM based photovoltaic thermal (PVT) system: An experimental study

Ali H.A. Al-Waeli, Kamaruzzaman Sopian, Miqdam T. Chaichan, Hussein A. Kazem, Adnan Ibrahim, Sohif Mat, Mohd Hafidz Ruslan

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

The increase in the PV cell temperature ultimately causes a reduction in its effectiveness. One of the new methods used to retain that efficiency is to establish a hybrid photovoltaic thermal PV/T system. In this study, PCM has been employed with a cooling nanofluid circulation system in order to the control heat capacitance of the system to maintain electrical efficiency on the one hand, and to raise the overall efficiency on the other. Nano-SiC particles were used in paraffin-PCM and nanofluid to establish higher thermal conductivities and therefore higher efficiency. The design is tested outdoors in Selangor, Malaysia. The tests were conducted using a fluid flow rate of 0.17 kg/s. The proposed system reduced the cell temperature (30 °C) at the peak solar radiation period (12:30 AM to 1:30 PM), which was reflected positively on the PV/T system performance. The proposed PV/T-nano PCM-nanofluid system increased the open circuit voltage from 11–13 V to 20–21 V, the power from 61.1 W to 120.7 W, and the electrical efficiency from 7.1% to 13.7%. Besides, the system made use of the thermal energy gained as its thermal efficiency reached 72%. These results ensure the adequate use of the new design.

Original languageEnglish
Pages (from-to)693-708
Number of pages16
JournalEnergy Conversion and Management
Volume151
DOIs
Publication statusPublished - 1 Nov 2017

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Pulse code modulation
Open circuit voltage
Solar radiation
Thermal energy
Paraffins
Hot Temperature
Flow of fluids
Thermal conductivity
Capacitance
Flow rate
Cooling
Temperature

Keywords

  • Collectors
  • Nano-PCM
  • Nano-SiC
  • Nanofluid
  • PV/T

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology

Cite this

Evaluation of the nanofluid and nano-PCM based photovoltaic thermal (PVT) system : An experimental study. / Al-Waeli, Ali H.A.; Sopian, Kamaruzzaman; Chaichan, Miqdam T.; Kazem, Hussein A.; Ibrahim, Adnan; Mat, Sohif; Ruslan, Mohd Hafidz.

In: Energy Conversion and Management, Vol. 151, 01.11.2017, p. 693-708.

Research output: Contribution to journalArticle

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