Novel Thermal Solution for Low Profile 1U Horizontal Box with Passive Cooling
Bibliographic record
Abstract
The 1U (1.75” thick) horizontal box under the natural convection is typically applied to the low power systems in the past. With increasing speeds and functionalities, the system power for a 1U box has been increased significantly in the recent years. Because of the increasing demands on the system performance and reliability, the thermal design is also becoming even more critical and important. A novel design concept is developed for the 1U horizontal box. The key technologies of this concept are (a) openings (holes) for ambient air flowing through the internal of the box and (b) large common heat sinks (each heat sink serving a group of components). The extended fins of heat sinks over the holes are cooled directly by the ambient air flowing through the openings (holes) of the box. This cooling scheme significantly reduces the length of thermal paths from the components to the ambient. Another feature of this novel design concept is divided the box into two upper and lower sections as presented in order to increase the system capacity and also to meet various types of system configurations. This innovative design concept enables to support the system power up to 75 watts with the ambient at 55 ℃.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".