Solar Thermal System components
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Question 1 of 3
1. Question
What is the purpose of selective coating in a solar collector?
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Question 2 of 3
2. Question
What are the differences between flat plate collectors and vacuum tube collectors?
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In vacuum tube collectors the absorber is mounted in evacuated glass tubes, in flat plate collectors there is a flat absorber surface. Evacuated tube collectors have a better thermal insulation due to the vacuum and higher efficiencies than flat plate collectors, but are also more expensive.
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Question 3 of 3
3. Question
What is the main difference between air collectors and flat plate collectors?
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