Journal of Thermal Analysis and Calorimetry, ( ISI ), Volume (135), No (2), Year (2018-7) , Pages (1443-1449)

Title : ( Localized solar heating via graphene oxide nanofluid for direct steam generation )

Authors: mohammad mustafa ghafoorian , Hamid Niazmand , E. Ebrahimnia-Bajestan , hamed elhami nik ,

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In the present paper, the performance of the graphene oxide in the solar steam generation has experimentally been examined. For this purpose, a setup was built for measuring the evaporation rate, which consists of a solar simulator with a xenon lamp as a radiation source, a pyranometer for light intensity measuring, and a sensory system for measuring the temperature and the mass. Then, the nanofluid with three nanoparticle mass concentrations of 0.001, 0.002, and 0.004% was prepared and exposed to the light intensity of 3.5 Suns (3.5 kW m-2). Finally, the effects of the light intensity variations on the solar steam generation were studied at the steady and transition conditions. The results showed that the examined carbon nanostructure is efficiently capable of direct solar energy harvesting, such that a maximum total efficiency of 78.9% at 3.5 Suns can be obtained, while the corresponding value for the case of pure water is about 54%. Furthermore, it was found that increasing the light intensity from 1.5 to 3.5 Suns enhances the evaporation flux rate, yet, reduces the evaporation efficiency.


, Solar steam generation, Nanofluid, Graphene oxide, Solar simulator
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author = {Ghafoorian, Mohammad Mustafa and Niazmand, Hamid and E. Ebrahimnia-Bajestan and Elhami Nik, Hamed},
title = {Localized solar heating via graphene oxide nanofluid for direct steam generation},
journal = {Journal of Thermal Analysis and Calorimetry},
year = {2018},
volume = {135},
number = {2},
month = {July},
issn = {1388-6150},
pages = {1443--1449},
numpages = {6},
keywords = {Solar steam generation; Nanofluid; Graphene oxide; Solar simulator},


%0 Journal Article
%T Localized solar heating via graphene oxide nanofluid for direct steam generation
%A Ghafoorian, Mohammad Mustafa
%A Niazmand, Hamid
%A E. Ebrahimnia-Bajestan
%A Elhami Nik, Hamed
%J Journal of Thermal Analysis and Calorimetry
%@ 1388-6150
%D 2018