Solar Furnace System Using Tower-Reflector with Ellipsoidal Mirror

Paper #:
  • 1999-01-2671

Published:
  • 1999-08-02
Citation:
Yokota, O., Nezuka, M., Oku, Y., Hosokawa, Y. et al., "Solar Furnace System Using Tower-Reflector with Ellipsoidal Mirror," SAE Technical Paper 1999-01-2671, 1999, https://doi.org/10.4271/1999-01-2671.
Pages:
6
Abstract:
A new solar furnace system using a stationary elliptic dish and heliostats is proposed. Since the elliptic dish has two focuses (an upper focus and a lower focus) for elliptic geometry, this system has three advantages. The first is enable to fix a solar reactor on the ground, the second to expand the heliostat field largely, and the third to concentrate the direct solar radiation in a small area around the lower focus. The horizontal deviation from the lower focus of the direct solar radiation was estimated within ±1.2m for the heliostat field of 100m and the tower-reflector height of 70m. The system using the elliptic dish and heliostats is available as high-concentration system due to large scale of solar energy.
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