Category: The Experimental Analyze Of The Solar Energy Collector

Trough angular misalignment

Beside the collection efficiency, other optical characteristics have been monitored to evidence how much they are affected by geometrical deformations of the solar trough profile. The second study combines the consequences of mirror deformations with misalignment and tracking errors. The crucial optical features to be considered in examining alignment and sun tracking are angular misalignment […]

Application of turbulators to solar absorbers

R. Casasola1*, D. Romero1, J. Alonso1, J. M. Cejudo2. 1 Isofoton, C/ Severe Ochoa n° 50, 29590 Malaga, Spain2 ETSII, Universidad de Malaga, Plaza de El Ejido s/n, 29071 Malaga, SpainCorresponding Author, r. casasola@lsofoton. com Abstract A possible way of increasing the efficiency of solar collectors is to optimize the heat transfer between the fluid […]

Thermotropic systems with fixed domains

In thermotropic systems with fixed domains scattering particles, which exhibit a sudden change of refractive index with temperature, are statically embedded in a matrix material. At low temperatures the layer is translucent, as the refractive indices of matrix and domain are almost equal. The differing temperature dependence of the refractive index for the components above […]

Technical improvement of a small modular parabolic trough collector

Klemens Schwarzer, Jan Kroker, Markus Rusack Fachhochschule Aachen / Campus JulichSolar-Institut Julich (SIJ) Heinrich-Mufimann-Str. 5, D-52428 Julich, GermanyCorresponding Author: schwarzer@sij. fh-aachen. de Abstract Throughout an earlier research project the Solar-Institut Julich (SIJ) developed a small sin­gle axis tracking modular parabolic trough collector with an evacuated absorber tube, a high – reflective aluminium mirror, an anti-reflective […]