Performance Evaluation of Absorber Rod Type Solar Air Collector

Research output: Contribution to journalConference article

Abstract

Solar air collector is a device that collects heat energy from the sun where the solar energy is converted to heat energy. A good solar air collector is when it can absorb maximum heat and can reduce as minimum as heat loss possible. In this study, a solar air collector device has been designed and constructed by attaching aluminium rod of 210 pieces with height 2 cm on the absorber plate to increase the heat transfer surface area. Apart from that, fin also built in airway to increase transfer of heat from plate absorber to air flow. There are 4 parameter of intensities value and mass flow rate is changed in this experiment which are 101.5 W/m2, 302.4 W/m2, 530.6 W/m2 and 720.0 W/m2 while for the mass flow rate is 0.0236 kg/s, 0.0340 kg/s, 0.0452 kg/s and 0.0584 kg/s. The aim of this study was to investigate the effect of mass flow rate and the solar intensity in improving the efficiency of thermal solar collectors. The results showed that the efficiency is between 57.2% to 77.4%. Maximum thermal efficiency mass flow rate recorded at 0.0584 kg/s with radiation intensity of 530.6 W/m2. Changes in temperature, ΔT are decreased when mass flow rate is increased which 19.0°C to 1.2°C is depending on the solar radiation intensity.

Original languageEnglish
Article number012073
JournalIOP Conference Series: Earth and Environmental Science
Volume268
Issue number1
DOIs
Publication statusPublished - 2 Jul 2019
EventInternational Conference on Sustainable Energy and Green Technology 2018, SEGT 2018 - Kuala Lumpur, Malaysia
Duration: 11 Dec 201814 Dec 2018

Fingerprint

air
Hypsithermal
airflow
heat transfer
energy
solar radiation
surface area
aluminum
evaluation
rate
experiment
temperature
parameter
loss
effect
radiation
solar collector
solar energy

Keywords

  • absorber plate
  • aluminium rod
  • efficiency
  • intensity
  • mass flow rate
  • solar air collector

ASJC Scopus subject areas

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

Cite this

Performance Evaluation of Absorber Rod Type Solar Air Collector. / Saberi, Zainab; Fudholi, Ahmad; Ibarahim, Zahari; Sopian, Kamaruzzaman.

In: IOP Conference Series: Earth and Environmental Science, Vol. 268, No. 1, 012073, 02.07.2019.

Research output: Contribution to journalConference article

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AB - Solar air collector is a device that collects heat energy from the sun where the solar energy is converted to heat energy. A good solar air collector is when it can absorb maximum heat and can reduce as minimum as heat loss possible. In this study, a solar air collector device has been designed and constructed by attaching aluminium rod of 210 pieces with height 2 cm on the absorber plate to increase the heat transfer surface area. Apart from that, fin also built in airway to increase transfer of heat from plate absorber to air flow. There are 4 parameter of intensities value and mass flow rate is changed in this experiment which are 101.5 W/m2, 302.4 W/m2, 530.6 W/m2 and 720.0 W/m2 while for the mass flow rate is 0.0236 kg/s, 0.0340 kg/s, 0.0452 kg/s and 0.0584 kg/s. The aim of this study was to investigate the effect of mass flow rate and the solar intensity in improving the efficiency of thermal solar collectors. The results showed that the efficiency is between 57.2% to 77.4%. Maximum thermal efficiency mass flow rate recorded at 0.0584 kg/s with radiation intensity of 530.6 W/m2. Changes in temperature, ΔT are decreased when mass flow rate is increased which 19.0°C to 1.2°C is depending on the solar radiation intensity.

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