| _version_ | 1866902266674413568 |
|---|---|
| author | no one wants the idea, taiwan |
| author_facet | no one wants the idea, taiwan |
| contents | <p>High-density GPU racks (e.g., 4×H200 NVL, 2.4 kW per rack)<br>face critical thermal challenges. Traditional air cooling is<br>insufficient, and single-point liquid cooling limits scalability<br>and redundancy.<br>Proposed Solution: A hybrid, multi-level cooling architecture<br>combining:<br>1. Cold-plate direct-to-chip cooling for hotspots.<br>2. Multi-layer modular radiators distributed vertically in the<br>rack.<br>3. Rear-door heat exchanger (RDHx) to recapture residual<br>rack air heat.<br>4. Centralized CDU / compressor system for row- or facilitylevel cold supply.<br>5. Rooftop gravity-fed water tank providing static head and<br>emergency backup.<br>This integration maximizes cooling efficiency, enhances<br>reliability, reduces pump energy, and allows incremental<br>deployment.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17083250 |
| institution | Zenodo |
| language | |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | High-Density Rack Cooling Integration no one wants the idea, taiwan <p>High-density GPU racks (e.g., 4×H200 NVL, 2.4 kW per rack)<br>face critical thermal challenges. Traditional air cooling is<br>insufficient, and single-point liquid cooling limits scalability<br>and redundancy.<br>Proposed Solution: A hybrid, multi-level cooling architecture<br>combining:<br>1. Cold-plate direct-to-chip cooling for hotspots.<br>2. Multi-layer modular radiators distributed vertically in the<br>rack.<br>3. Rear-door heat exchanger (RDHx) to recapture residual<br>rack air heat.<br>4. Centralized CDU / compressor system for row- or facilitylevel cold supply.<br>5. Rooftop gravity-fed water tank providing static head and<br>emergency backup.<br>This integration maximizes cooling efficiency, enhances<br>reliability, reduces pump energy, and allows incremental<br>deployment.</p> |
| title | High-Density Rack Cooling Integration |
| url | https://doi.org/10.5281/zenodo.17083250 |