STEM与日常科技·英语30篇（2）

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数据中心散热：从气流管理到液体浸没

Data centers house thousands of servers that generate huge heat when processing global internet traffic.
If overheated, chips slow down or fail—so cooling is critical for reliability and performance.
Early centers used cold-air corridors and raised floors, but those waste energy moving air inefficiently.
Modern designs use hot/cold aisle containment to isolate airflow and prevent mixing.
Some companies now pump chilled water directly to server chips via copper cold plates.
Others fully submerge servers in non-conductive, heat-absorbing liquids for maximum thermal transfer.
AI systems monitor temperature across racks and adjust fan speeds or pump flow in real time.
Renewable energy powers newer facilities, helping cut both carbon and cooling costs.
Even waste heat from servers gets reused to warm nearby office buildings in colder climates.
Balancing speed, safety, and sustainability makes data center cooling one of today’s toughest engineering puzzles.