DocDan hat geschrieben:Nice model. But I think the cloudiness will have to be considered. You have 0 kW with an outer temperature of 20 °C in the model. When the sun is shining, the inner temperature will be above 20 °C due to a small greenhouse effect.
Just my short thoughts, but I may be wrong.
Jan Treur hat geschrieben:Are you sure that this was for a very long time and not only in the first 5 or 10 minutes? I also know such numbers, but only in the first phase when no preheating was applied (but I have a heat pump).
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