For commercial solar tower systems of relevant size, state of the art of light collection and concentration (LCC) subsystems (heliostat field plus receiver envelope) do not achieve annual optical efficiencies larger than 65%. Achieving optical efficiencies substantially higher than that requires departing from the traditional mono-tower design. Although multi-tower systems were identified long time ago as candidates to achieve high annual optical efficiencies, so far no multi-tower concept has emerged as a clear alternative to the mono-tower system. In this article, we introduce a variant of the multi-tower concept that combines the modularity and high land coverage of linear focusing technologies with the low thermal losses and high operating temperatures of solar tower technology, and overall represents a disruptive departure from the traditional mono-tower design.
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8 November 2018
SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems
26–29 September 2017
Santiago, Chile
Research Article|
November 08 2018
Point-focus multi-receiver Fresnel loop – Exploring ways to increase the optical efficiency of solar tower systems
Clotilde Corsi;
Clotilde Corsi
a)
1
Solar Thermal Group, Australian National University (ANU). Research School of Engineering
, Building 31, North Road, Canberra ACT 0200, Australia
2
CSIRO Energy Centre
, 10 Murray Dwyer Circuit, Mayfield West, NSW 2304, Australia
a)Corresponding author: clotilde.corsi@csiro.au
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Manuel Blanco;
Manuel Blanco
b)
3
The Cyprus Institute. Athalassa Campus
. 20 Konstantinou Kavafi Street, 2121 Aglantzia. Nicosia. Cyprus
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Jin-Soo Kim;
Jin-Soo Kim
2
CSIRO Energy Centre
, 10 Murray Dwyer Circuit, Mayfield West, NSW 2304, Australia
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John Pye
John Pye
1
Solar Thermal Group, Australian National University (ANU). Research School of Engineering
, Building 31, North Road, Canberra ACT 0200, Australia
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a)Corresponding author: clotilde.corsi@csiro.au
AIP Conf. Proc. 2033, 170001 (2018)
Citation
Clotilde Corsi, Manuel Blanco, Jin-Soo Kim, John Pye; Point-focus multi-receiver Fresnel loop – Exploring ways to increase the optical efficiency of solar tower systems. AIP Conf. Proc. 8 November 2018; 2033 (1): 170001. https://doi.org/10.1063/1.5067165
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