On a standard PC, you can easily have a loop because the radiator is big enough to exhause all that heat. But when your computer or cluster puts out multiple thousands of watts of heat, eventually you need to get rid of tge hot water and replace it with cold water. And when it gets even hotter, you need a steady stream of cold water that immediately gets dumped.
Some facilities is do this. They’re not 100% efficient, so some is lost to evaporation, some must be dumped because it has too much mineral content (and too much conductivity) to go back through the cooling system. Reusing is only about 50% efficient (according to Google’s numbers).
Half a liter per kilowatt hour. That’s the average water use
It’s like the idea of recycling plastics with water.
Not all of it is reusable to the same degree. A good portion of water has to be evaporated off to cool down the exterior towers plus water isn’t really infinitely usable in these loops. It gets gross or full of materials.
Another thing that people need to remember is generating electricity uses the water here as we literally don’t use many methods that don’t involve water, we are not on a green grid and neither are these huge data centers for the most part. We boil it for the electricity then have to use additional to clean the system after.
Not really. Look at California agriculture. You’ve got immense and unsustainable amounts of water going to almonds, pistachios, and other cash crops (not to mention animal feed for the Saudis) with voracious demand for more water, despite it causing damage to the water sources.
Juts search for “AI water consumption” or “data center water consumption”. I’ll agree that “we could be using this to wash our cars” is a silly argument, but water shortages affect between 2 and 3 billion people every year (https://www.unesco.org/en/articles/imminent-risk-global-water-crisis-warns-un-world-water-development-report-2023). We could be doing more with this water than cloud computing and AI.
Wait a sec, how do they consume water for cooling, i thought it’s in a closed loop as its purpose is only transferring heat
On a standard PC, you can easily have a loop because the radiator is big enough to exhause all that heat. But when your computer or cluster puts out multiple thousands of watts of heat, eventually you need to get rid of tge hot water and replace it with cold water. And when it gets even hotter, you need a steady stream of cold water that immediately gets dumped.
Some facilities is do this. They’re not 100% efficient, so some is lost to evaporation, some must be dumped because it has too much mineral content (and too much conductivity) to go back through the cooling system. Reusing is only about 50% efficient (according to Google’s numbers).
Half a liter per kilowatt hour. That’s the average water use
It’s like the idea of recycling plastics with water.
Not all of it is reusable to the same degree. A good portion of water has to be evaporated off to cool down the exterior towers plus water isn’t really infinitely usable in these loops. It gets gross or full of materials.
Another thing that people need to remember is generating electricity uses the water here as we literally don’t use many methods that don’t involve water, we are not on a green grid and neither are these huge data centers for the most part. We boil it for the electricity then have to use additional to clean the system after.
Right, so agricultural was a bad example.
If you can’t imagine a world without eating meat, yes.
Not really. Look at California agriculture. You’ve got immense and unsustainable amounts of water going to almonds, pistachios, and other cash crops (not to mention animal feed for the Saudis) with voracious demand for more water, despite it causing damage to the water sources.