2 ms·
My hunch is evaporative cooling uses not very much water. You could also fill a small dam when the water flow is higher. All means higher cost, of course.
by actionfromafar 3y ago
My hunch is evaporative cooling uses not very much water. You could also fill a small dam when the water flow is higher. All means higher cost, of course.
- hef19898 3y agoIt generally helps to no use hunches when it comes to hard technical questions.
- actionfromafar 3y agoOk, the hard technical answer is that a phase change from liquid to gas eats a lot more energy than just heating the liquid however many degrees. :-) My back of the envelope calculations say it's about 10 times less water to evaporate.
- hef19898 3y agoThere are detailed diagrams and formulas to calculate that. Engineering, not back of the envelope highschool physics. But guess what, people designing an building power plants know this. And whatever is built is the best compromise possible at the time. Backnof envelope calculus in 2023 or not.