A beam-down central receiver for solar thermochemical hydrogen production

Nathan P. Siegel, Ivan Ermanoski

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We present the design and performance estimation of a 3 MWth beam down central receiver capable of providing concentrated solar energy to a particle-based thermochemical reactor operating at a thermal reduction (maximum) temperature of 1500oC. The configuration of this beam down optical system is unique in several ways including the positioning of the reactor near the top of the tower, the use of a flat tower reflector, and the absence of a terminal concentrator that is usually needed to increase the solar concentration ratio at the aperture for high temperature applications. Our baseline design for the beam down central receiver includes a 75 m tall tower with a North field of individually focused, ∼ 1 m2 heliostats that is capable of achieving an average concentration ratio in excess of 1,600 kW/m2 (suns) over an aperture that is 2 m in diameter with a peak flux in excess of 6,000 kW/m2.

Original languageEnglish (US)
Title of host publication42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference
PublisherAmerican Solar Energy Society
Pages349-355
Number of pages7
ISBN (Electronic)9781632660046
StatePublished - Jan 1 2013
Event42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference - Baltimore, United States
Duration: Apr 16 2013Apr 20 2013

Other

Other42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference
CountryUnited States
CityBaltimore
Period4/16/134/20/13

Fingerprint

Hydrogen production
Towers
High temperature applications
Optical systems
Solar energy
Fluxes
Temperature

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

Cite this

Siegel, N. P., & Ermanoski, I. (2013). A beam-down central receiver for solar thermochemical hydrogen production. In 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference (pp. 349-355). American Solar Energy Society.

A beam-down central receiver for solar thermochemical hydrogen production. / Siegel, Nathan P.; Ermanoski, Ivan.

42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference. American Solar Energy Society, 2013. p. 349-355.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Siegel, NP & Ermanoski, I 2013, A beam-down central receiver for solar thermochemical hydrogen production. in 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference. American Solar Energy Society, pp. 349-355, 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference, Baltimore, United States, 4/16/13.
Siegel NP, Ermanoski I. A beam-down central receiver for solar thermochemical hydrogen production. In 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference. American Solar Energy Society. 2013. p. 349-355
Siegel, Nathan P. ; Ermanoski, Ivan. / A beam-down central receiver for solar thermochemical hydrogen production. 42nd ASES National Solar Conference 2013, SOLAR 2013, Including 42nd ASES Annual Conference and 38th National Passive Solar Conference. American Solar Energy Society, 2013. pp. 349-355
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