Experimental test of the parabolic trough solar collectors of the first demonstration testing facility of Brazil using the QDT model

Neto, José Henrique Martins; Pessoa, Marcio Araujo; Borges, Eliézer Basilio; Lima, Frederico Romagnoli Silveira

doi:10.1016/j.applthermaleng.2019.114405

Cited by 3 publications

(1 citation statement)

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“…Solar heating for industrial processes ranges from smallscale demonstration plants to large systems in the order of 100 MWh (IEA-SHC, 2020). The only plant with a solar concentrator currently installed in Brazil is a demonstration plant and is of the parabolic cylinder type, installed in the CEFET-MG laboratory (Neto et al, 2019). Solar collectors can be classified according to their use as low (< 100 °C), medium (100 -400 °C) and high temperatures (> 400 °C) (KENEDY, 2002), for medium and high temperatures the solar collector must have a concentrator.…”

Section: Literature Reviewmentioning

confidence: 99%

Development of solar tracker for low-cost Offset parabolic thermal concentrator

Alcatrão,

Morais

et al. 2023

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The interest in exploiting solar energy has been steadily increasing as the world is aiming at sustainability. This work focused on making better use of solar energy through the manufacturing of a low-cost mechanism for solar tracking, with both horizontal and vertical rotating axes, to be coupled to a parabolic solar concentrator. For the electronic parts, it was employed a microcontroller Arduino UNO, power window regulator motors, a photoresistor sensor, a IBT-2 H-bridge, and a micro switch. On the other hand, the mechanical parts of the solar tracking system were fabricated using a 3D printer. Besides, this project introduced new concepts regarding the mechanical parts, which are not discussed in the literature of solar tracking systems, such as radial and straight oblong holes as well as the axial increase in the height of the motors. As a final result, we obtained an optimized setup for a parabolic solar concentrator equipped with a solar tracking system useful for water heating, which combines better efficiency in energy conversion with an affordable cost for needy people.

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Section: Literature Reviewmentioning

confidence: 99%