All Questions
Tagged with renewable-energy temperature
4
questions
14
votes
4
answers
4k
views
Why is the ground warm during winter and vice-versa?
I was just looking at the geothermal house heating in Iceland, and came to know that in the winter the water is warm, hence cools the house, but how is it hot, not about us feeling it.. My question is ...
- 149
1
vote
1
answer
156
views
Unusual temperature shape in gravel heat storage
I’m currently doing undergrad research on using a gravel (basalt 2-5mm grain size) bed as an heat storage. In order to heat up the gravel inside, hot (~100°C) and dry (RF<4%) air with a pressure of ...
- 11
5
votes
3
answers
2k
views
How does temperature affect photovoltaics (PV) efficiency?
I know that photovoltaic panels are more efficient at lower temperatures: As the temperature increases, the output voltage decreases. I am looking for an explanation of the mechanism behind this ...
- 51
4
votes
3
answers
7k
views
How to calculate the temperature of a receiving point from concentrated solar power?
I'm exploring a DIY project about solar power and have found very few resources that can explain, in a not too simple but not too advanced way, how to go about calculating important values in solar ...
- 143