Method for calculating energy flow density distribution of focusing light spots of tower type solar heat absorber
A technology of solar heat absorber and energy flow density, applied in the direction of design optimization/simulation, etc., can solve the problem of long calculation time, and achieve the effect of reducing the amount of calculation, reducing the calculation time, and improving the calculation efficiency
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[0098] The heliostat field of the solar tower power station is composed of 10,000 surfaces 100m 2 (10m 2 ×10m 2 ) composed of heliostats. Among them, each heliostat is composed of several square mirrors with a certain curvature, and finally forms a large reflective arc.
[0099] In the present invention, the vernal equinox is selected as the simulated calculation date of the system.
[0100] In order to analyze the detailed energy flow distribution characteristics of the inner surface of the heat absorber, the three moments of nine o'clock in the morning, noon and three o'clock in the afternoon are selected as the research objects of the time points, and the DNI values of the three moments are calculated by using formula (6): 853.90, 974.16 and 853.90W / m 2 , and then calculate P at three moments according to formula (5)n (t), and calculate f at three moments according to formula (7) n . Then adopt the energy flow density superposition method of the present invention ...
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