2018, Volume 12, Issue 4
Frontiers of Chemical Science and Engineering >> 2018, Volume 12, Issue 4 doi: 10.1007/s11705-018-1782-z
A new approach for fuel injection into a solar receiver/reactor: Numerical and experimental investigation
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Abstract
An innovative and efficient design of solar receivers/reactors can enhance the production of clean fuels via concentrated solar energy. This study presents a new jet-type burner nozzle for gaseous feedstock injection into a cavity solar receiver inspired from the combustion technology. The nozzle design was adapted from a combustion burner and successfully implemented into a solar receiver and studied the influence of the nozzle design on the fluid mixing and temperature distribution inside the solar receiver using a 7 kW solar simulator and nitrogen as working fluid. Finally, a thorough computational fluid dynamics (CFD) analysis was performed and validated against the experimental results. The CFD results showed a variation of the gas flow pattern and gas mixing after the burner nozzle adaptation, which resulted an intense effect on the heat transfer inside the solar receiver.
Keywords
solar reactor ; nozzle ; CFD ; heat transfer ; mixing and recirculation
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