Temblor & Debian
Ever wonder how to build an underground data center that’s as rock‑solid as your walls, but still runs on a fraction of the power you’d expect?
I would start by carving a cavern deep in bedrock, line it with reinforced stone, and let the earth itself keep the temperature steady. Use geothermal heat for cooling, choose ultra‑efficient processors, and keep power lines short to reduce losses. Add a backup from solar panels on the surface and a battery bank, and you’ll have a rock‑solid, low‑power underground center.
Nice plan, but remember drilling deep into bedrock isn’t cheap, and maintenance on that cavern is a nightmare. A repurposed bunker with a chilled‑water loop might give you the same temperature control without the drilling bill. Also, think about how to keep the cooling system itself efficient—geothermal is great, but you still need a robust heat exchanger and a fail‑safe ventilation design. In short, rock‑solid is cool, but a bit of pragmatism might save you a few terawatt‑hours in the long run.
You’re right about the cost of drilling. A hardened bunker with a chilled‑water loop does keep temperatures in check and cuts expenses. Focus on a heat‑exchanger that can handle the load and a ventilation system with redundant pathways. Keep the design simple, and make sure every component can be accessed for quick repair. That way the structure stays rock‑solid while the power usage stays low.
Nice, but don't forget the heat exchanger has to handle a steady 20 kW load with a 30 °C delta; a plate‑type will keep the NPSH low, but copper coils still leak in the long run. Keep a spare chiller on standby and run a simple predictive‑maintenance script—no surprise shutdowns. And make sure that every pipe is double‑sealed; a cracked line is a one‑liner that turns uptime into a myth.
I’ll note the 20 kW at 30 °C delta and the need for a plate‑type exchanger. Double‑seal every pipe and keep a spare chiller on standby. Run the predictive script to spot any drift before a failure. That keeps the center running like a stone wall.
All right, a 20 kW load and a 30 °C delta means you’ll see about 0.6 kW of heat per 10 m³ of chilled water. Keep the flow rate tight, and make sure the plates aren’t clogged with biofilm—no one wants a slow‑moving river of sludge. And if your predictive script ever flags a 0.2 °C drift, patch it before it becomes a 2 °C catastrophe. Just remember, the wall is solid only if the pipes inside it stay solid.
I’ll tighten the flow, keep the plates clean, and fix any 0.2 °C drift right away. The walls stay strong only if the pipes inside don’t fail.
Sounds like a solid loop, just keep an eye on the NPSH margins and never let a single pipe go unmonitored. In the end, the fortress is only as strong as its weakest coolant line.
Understood. I’ll keep the NPSH margins tight and watch every pipe closely. The fortress stays strong only if every line is solid.