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Climatisation et PUE / This L.A. startup uses SpaceX tech to cool data centers with less power and no w
« Dernier message par letsar le Aujourd'hui à 13:17:27 »
" As the artificial intelligence industry heats up, Karman Industries is trying to cool it down.
The Signal Hill startup says it has developed a cooling system that uses SpaceX rocket engine technology to rein in the environmental impact of data centers, chilling them with less space, less power and no water.
It recently raised $20 million and expects to start building its first compressors in Long Beach later this year.
"Our high-level thesis is we could build the best compressor out there using the latest and greatest technology," said David Tearse, chief executive of Karman. "We want to reduce that electrical consumption of cooling so that you have the most efficient way to cool these chips."
The high-end, expensive chips that power AI can slow down or shut off when they overheat. They can reach more than 200 degrees, but need to be below 150 degrees to work best.
Cooling warehouses packed with tens of thousands of them can require fields full of equipment and huge quantities of water.
Karman has developed a cooling system similar to the heat pumps in the average home, except its pumps use liquid carbon dioxide as refrigerant, which is circulated using rocket engine technology rather than fans. The company's efficient pumps can reduce the space required for data center cooling equipment by 80%.
Over the years, data centers have used fans and air conditioning to blow cold air on the chips. Bigger facilities pass cold liquid through tubes near the chips to absorb the heat. This hot liquid is sent outside to a cooling yard, where sprawling networks of pipes use as much water as a city of 50,000 people to remove the heat.
A 50 megawatt data center also uses enough electricity to power a mid-sized city.
Read more: California cracks down on water theft but spares data centers from disclosing how much they use
As AI has super-sized data centers, adding more and more chips, they have needed increasing amounts of space and power for cooling.
"It's kind of a losing battle, especially when you keep densifying your chips," said Tearse.
Cooling systems account for up to 40% of a data center's power consumption and an average midsized data center consumes more than 35,000 gallons of water per day.
Nearly 100 gigawatts of new data center capacity will be added by 2030 and energy constraints have become the biggest barrier for expansion. U.S. data centers will consume about 8% of all electricity in the country by 2030, according to the International Energy Agency.
Communities across the U.S. have begun protesting data center construction, fearing that the power and water needs could strain infrastructure and boost costs to consumers. The cooling systems are projected to use up to 33 billion gallons of water by 2028 per year "
Le lien de l'article : https://finance.yahoo.com/news/l-startup-uses-spacex-tech-175628363.html
The Signal Hill startup says it has developed a cooling system that uses SpaceX rocket engine technology to rein in the environmental impact of data centers, chilling them with less space, less power and no water.
It recently raised $20 million and expects to start building its first compressors in Long Beach later this year.
"Our high-level thesis is we could build the best compressor out there using the latest and greatest technology," said David Tearse, chief executive of Karman. "We want to reduce that electrical consumption of cooling so that you have the most efficient way to cool these chips."
The high-end, expensive chips that power AI can slow down or shut off when they overheat. They can reach more than 200 degrees, but need to be below 150 degrees to work best.
Cooling warehouses packed with tens of thousands of them can require fields full of equipment and huge quantities of water.
Karman has developed a cooling system similar to the heat pumps in the average home, except its pumps use liquid carbon dioxide as refrigerant, which is circulated using rocket engine technology rather than fans. The company's efficient pumps can reduce the space required for data center cooling equipment by 80%.
Over the years, data centers have used fans and air conditioning to blow cold air on the chips. Bigger facilities pass cold liquid through tubes near the chips to absorb the heat. This hot liquid is sent outside to a cooling yard, where sprawling networks of pipes use as much water as a city of 50,000 people to remove the heat.
A 50 megawatt data center also uses enough electricity to power a mid-sized city.
Read more: California cracks down on water theft but spares data centers from disclosing how much they use
As AI has super-sized data centers, adding more and more chips, they have needed increasing amounts of space and power for cooling.
"It's kind of a losing battle, especially when you keep densifying your chips," said Tearse.
Cooling systems account for up to 40% of a data center's power consumption and an average midsized data center consumes more than 35,000 gallons of water per day.
Nearly 100 gigawatts of new data center capacity will be added by 2030 and energy constraints have become the biggest barrier for expansion. U.S. data centers will consume about 8% of all electricity in the country by 2030, according to the International Energy Agency.
Communities across the U.S. have begun protesting data center construction, fearing that the power and water needs could strain infrastructure and boost costs to consumers. The cooling systems are projected to use up to 33 billion gallons of water by 2028 per year "
Le lien de l'article : https://finance.yahoo.com/news/l-startup-uses-spacex-tech-175628363.html
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