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Energie : de la ressource à sa conversion
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The disposition of tubes in the absorber shown in figure (a) offers better heat exchange performance than figure (b), but it can lead to increased thermal stress on the collector compared to figure (b).
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What happens if the heat pipe in an evacuated tube fails to condense vapor?
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Why are plastics less suitable than glass for glazing?
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What reduces heat loss in evacuated tube collectors?
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What fluid is typically used in evacuated tube heat pipes?
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Which material is commonly used for the absorber plate in flat-plate collectors?
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What would be the most likely effect of a broken vacuum in an evacuated tube?
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If the transmittance-absorptance product (τα) is low, what is the likely impact on the collector’s performance?
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Why are evacuated tube collectors better suited for colder climates compared to flat-plate collectors?
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Table 4.1, which gives optical parameters in the solar spectrum irradiance and infrared radiation,
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