Dynamic simulation of mono-tube cavity receivers for direct steam generation

Jose Zapata; John Pye; Keith Lovegrove

doi:solarpaces-conference-2011/

Abstract

The ANU 500 m2 dish has been in operation since 2010 with a mono-tube steam cavity receiver, the SG4 system for the production of steam used for electricity generation. Dynamic modelling of this system is crucial for achieving robust control and optimised performance. This paper presents ongoing work with the dynamic modelling and simulation of a mono-tube steam cavity receiver for direct steam generation. A ray-tracing study of the heat flux distribution inside the steam receiver is used to spatially refine the model and improve its accuracy for large transients. A subdivision of the dynamic model into sub-models is proposed and a simulation is presented to support this approach. Initial modelling results show qualitative agreement with experimental data, and the model will be progressively expanded to cover the full range of possible operational scenarios.

Original language	English
Pages (from-to)	1-8pp
Journal	SolarPACES 2011 proceedings
DOIs	https://doi.org/solarpaces-conference-2011/
Publication status	Published - 2011
Event	Solar Power And Chemical Energy Systems Conference (SolarPaces 2011) - Granada Spain Duration: 1 Jan 2011 → …

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abstract = "The ANU 500 m2 dish has been in operation since 2010 with a mono-tube steam cavity receiver, the SG4 system for the production of steam used for electricity generation. Dynamic modelling of this system is crucial for achieving robust control and optimised performance. This paper presents ongoing work with the dynamic modelling and simulation of a mono-tube steam cavity receiver for direct steam generation. A ray-tracing study of the heat flux distribution inside the steam receiver is used to spatially refine the model and improve its accuracy for large transients. A subdivision of the dynamic model into sub-models is proposed and a simulation is presented to support this approach. Initial modelling results show qualitative agreement with experimental data, and the model will be progressively expanded to cover the full range of possible operational scenarios.",

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AB - The ANU 500 m2 dish has been in operation since 2010 with a mono-tube steam cavity receiver, the SG4 system for the production of steam used for electricity generation. Dynamic modelling of this system is crucial for achieving robust control and optimised performance. This paper presents ongoing work with the dynamic modelling and simulation of a mono-tube steam cavity receiver for direct steam generation. A ray-tracing study of the heat flux distribution inside the steam receiver is used to spatially refine the model and improve its accuracy for large transients. A subdivision of the dynamic model into sub-models is proposed and a simulation is presented to support this approach. Initial modelling results show qualitative agreement with experimental data, and the model will be progressively expanded to cover the full range of possible operational scenarios.

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ER -

Dynamic simulation of mono-tube cavity receivers for direct steam generation

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