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Based on the symmetries of the parabolic trough concentrating system and the solar radiation, a descending dimension algorithm has been developed with a computational complexity of O(N2), whereas that of the Monte Carlo ray tracing (MCRT) method and the finite element method are of O(N4) The formula of the energy function ψ(θ) for solar disk slice was constructed to solve the integration of the flux...
In this paper, a fiber optic daylighting system based on the parallel mechanism is designed and fabricated. This system is composed of 49 concentrating cells, which are arranged in a 7×7 array. The array consists of 48 sunlight-collecting cells and a sun position sensor using direct focus detection. A linear actuator, which is composed of two stepper motors and two roller screws, is used to drive...
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