Improved surface temperature of absorber plate using metallic titanium particles for solar still application

Fayaz, H. and Rasachak, Sayfar and Ahmad, Muhammad Shakeel and Kumar, Laveet and Zhang, Bo and Jeyraj, Selvaraj and Mujtaba, M. A. and Soudagar, Manzoore Elahi M. and Kumar, Ravinder and Omidvar, Mohammad Rasoul (2022) Improved surface temperature of absorber plate using metallic titanium particles for solar still application. Sustainable Energy Technologies and Assessments, 52 (A). ISSN 2213-1388, DOI

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Solar distillation technique by using solar stills is the most feasible and environment friendly way to supply fresh water in arid and remote regions. One of the key challenges in solar distillation is to enhance productivity of solar still. In this study, effect of metallic titanium (Ti) particles has been investigated for surface temperature of solar still absorber to increase the distillate production. Ti particles of various concentrations have been blended with black paint and applied on absorber plate. The morphology of the surface and phase identification of powder received have been studied and verified using SEM and XRD. The characteristics of light absorption were examined using Uv-vis Spectroscopy. Extensive outdoor and indoor testing (using improvised solar simulator) have been carried out to optimize the concentration. The highest temperature of 100.39 degrees C at 1000 W/m(2) solar irradiation in indoor conditions has been recorded for 7 wt% Ti specimen in black paint which is 11.87% higher compared to only black paint coated aluminum plate and 54.35% higher than bare aluminum plate. The 7 wt% Ti specimen temperature increased up to 77.58 degrees C in comparison to the aluminum plate having black paint. Further increase in concentration did not increase surface temperature due to excessive convective heat losses.

Item Type: Article
Funders: Key Technology R&D project of Ningxia [Grant No: 2018BFH03001]
Uncontrolled Keywords: Solar absorption; Solar still; Desalination; Titanium; Thermal conductivity; Composite coating
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > UM Power Energy Dedicated Advanced Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 17 Oct 2023 00:59
Last Modified: 17 Oct 2023 00:59

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