NDLI: Modeling On-Sun Tests of a Prototype Solid Particle Receiver for Concentrating Solar Power Processes and Storage

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Clifford, K. Ho Siri, S. Khalsa Nathan, P. Siegel
Copyright Year	2009
Abstract	A model has been developed to simulate the performance of a prototype solid particle receiver that was recently tested at Sandia National Laboratories. The model includes irradiation from the concentrated solar flux, two-band re-radiation and emission with the cavity, discrete-phase particle transport and heat transfer, gas-phase convection, wall conduction, and radiative and convective heat losses. Simulated temperatures of the particles and cavity walls were compared to measured values for nine on-sun tests. Results showed that the simulated temperature distributions and receiver efficiencies matched closely with trends in experimental data as a function of input power and particle mass flow rate. The average relative error between the simulated and measured efficiencies and increases in particle temperature was less than 10%. Simulations of particle velocities and concentrations as a function of position beneath the release point were also evaluated and compared to measured values collected during unheated tests with average relative errors of 6% and 8%, respectively. The calibrated model is being used in parametric analyses to better understand the impact and interactions of multiple parameters with a goal of optimizing the performance and efficiency of the solid particle receiver.
Sponsorship	Advanced Energy Systems Division and Solar Energy Division
Starting Page	543
Ending Page	550
Page Count	8
File Format	PDF
ISBN	9780791848906
DOI	10.1115/ES2009-90035
e-ISBN	9780791838518
Volume Number	ASME 2009 3rd International Conference on Energy Sustainability, Volume 2
Conference Proceedings	ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences
Language	English
Publisher Date	2009-07-19
Publisher Place	San Francisco, California, USA
Access Restriction	Subscribed
Subject Keyword	Temperature distribution Temperature Heat losses Irradiation (radiation exposure) Modeling Flow (dynamics) Convection Emissions Heat conduction Errors Cavities Storage Radiation (physics) Simulation Concentrating solar power Particulate matter Solar energy Engineering simulation Engineering prototypes Cavity walls Heat transfer
Content Type	Text
Resource Type	Article

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