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

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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Victor Pozzobon. 10% Loss of Incident Power through Solar Reactor Window: Myth or Good Rule of Thumb?. Applied Solar Energy, Springer Verlag, 2018, 54 (2), pp.131-133. ⟨10.3103/S0003701X18020093⟩. ⟨hal-01985277⟩

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