Self-adaptive flow regulation through shape memory alloy valves for microelectronics cooling
Why this work is in the frame
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Bibliographic record
Abstract
To overcome the current limitations of temperature uniformity and high pumping power consumption of current microchannel cold plates, this work proposes to develop an on-chip liquid cooling system that incorporates self-adaptive shape memory alloy valves able to regulate the flow rate to the local and instantaneous needs of the chips, leading to energy savings and improved thermal performance of the microelectronics. The behavior of the valves is achieved due to the use of bimorph SMA wings. Thus, the valve remains closed for low cooling demands, maintaining a low flow rate at the channel and, when the cooling demands increase, the valve opens to allow more flow rate into the channel and improve its heat extraction capacity. It has been evaluated that the SMA valves can double the flow rate in the channel when in open position and the expected energy savings can be quantified between 10 % and 30 % for different heat load scenarios. Finally, the hysteresis of the SMA has been experimentally characterized for a determined working application.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 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 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 it