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10% Loss of Incident Power through Solar Reactor Window: Myth or Good Rule of Thumb?

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Abstract

It is known that a solar beam crossing a window losses 10% of its incident power. Yet, this affirmation is not supported by many published scientific evidences. In this work, a heat flux mapping method was used to determine the heat flux distributions at the focal spot of a solar concentrating device without and with a window on the incident beams' trajectory. The presence of a window on the beams' trajectory induces a 12% loss of the total power and a 11% decrease of the peak heat flux density.

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Correspondence to V. Pozzobon.

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Pozzobon, V. 10% Loss of Incident Power through Solar Reactor Window: Myth or Good Rule of Thumb?. Appl. Sol. Energy 54, 131–133 (2018). https://doi.org/10.3103/S0003701X18020093

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  • DOI: https://doi.org/10.3103/S0003701X18020093

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