Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar Collectors
This study compared the impacts of using copper nanofliud to enhance the efficiency of flat solar collectors with closed loop and under forced convection heat transfer circumstances to traditional work fluids. Various concentrations of nanoparticles in water and water/glycol, from 250ppm to 3000ppm...
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2014-07-01
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Online Access: | http://dx.doi.org/10.1051/matecconf/20141302014 |
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doaj-dff6f65110bb4deeba2870530f8b20002021-02-02T02:23:40ZengEDP SciencesMATEC Web of Conferences2261-236X2014-07-01130201410.1051/matecconf/20141302014matecconf_icper2014_02014Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar CollectorsAssadi Morteza Khalaji0Nasersharifi Yahya1Associate Professor, Mechanical Engineering Department,Universiti Teknologi PETRONASM.Sc. Student Islamic Azad University of Iran, Science and Research Branch, Faculty of Environment & Energy, Energy Engineering Department This study compared the impacts of using copper nanofliud to enhance the efficiency of flat solar collectors with closed loop and under forced convection heat transfer circumstances to traditional work fluids. Various concentrations of nanoparticles in water and water/glycol, from 250ppm to 3000ppm, were examined for volume fraction impact. Results indicate that the laboratory tests were different from those under real conditions because of the high concentration of nanoparticles used in laboratory tests; however, by using nanofluid (even with low concentrations around 0.3%) solar collector efficiency improved (3.2%).Results have also shown that the use of copper nanofluid in ethylene glycol as the base fluid causes a significant reduction in collector efficiency, due to the increase in viscosity. However, using higher flow rates caused the heat transfer rate to rise because of increased turbulence. http://dx.doi.org/10.1051/matecconf/20141302014 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Assadi Morteza Khalaji Nasersharifi Yahya |
spellingShingle |
Assadi Morteza Khalaji Nasersharifi Yahya Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar Collectors MATEC Web of Conferences |
author_facet |
Assadi Morteza Khalaji Nasersharifi Yahya |
author_sort |
Assadi Morteza Khalaji |
title |
Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar Collectors |
title_short |
Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar Collectors |
title_full |
Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar Collectors |
title_fullStr |
Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar Collectors |
title_full_unstemmed |
Investigation and Measurement of Copper Nanofluid Impact on Thermal Efficiency of Solar Collectors |
title_sort |
investigation and measurement of copper nanofluid impact on thermal efficiency of solar collectors |
publisher |
EDP Sciences |
series |
MATEC Web of Conferences |
issn |
2261-236X |
publishDate |
2014-07-01 |
description |
This study compared the impacts of using copper nanofliud to enhance the efficiency of flat solar collectors with closed loop and under forced convection heat transfer circumstances to traditional work fluids. Various concentrations of nanoparticles in water and water/glycol, from 250ppm to 3000ppm, were examined for volume fraction impact. Results indicate that the laboratory tests were different from those under real conditions because of the high concentration of nanoparticles used in laboratory tests; however, by using nanofluid (even with low concentrations around 0.3%) solar collector efficiency improved (3.2%).Results have also shown that the use of copper nanofluid in ethylene glycol as the base fluid causes a significant reduction in collector efficiency, due to the increase in viscosity. However, using higher flow rates caused the heat transfer rate to rise because of increased turbulence.
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url |
http://dx.doi.org/10.1051/matecconf/20141302014 |
work_keys_str_mv |
AT assadimortezakhalaji investigationandmeasurementofcoppernanofluidimpactonthermalefficiencyofsolarcollectors AT nasersharifiyahya investigationandmeasurementofcoppernanofluidimpactonthermalefficiencyofsolarcollectors |
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1724310027256201216 |