Automotive Coolant Inhibitor Protection of an EV Cooling System Having Copper and Aluminum Heat Exchangers
Bibliographic record
Abstract
<div class="section abstract"><div class="htmlview paragraph">The use of copper in contact with vehicle engine coolants remains a vehicle OEM requirement in the formulation of inhibitors for modern engine coolants such as BASF’s Glysantin® G40®. Battery electric or hybrid vehicles may use copper coolers in their power electronic modules and aluminum coolers in their battery packs. This study compares the use of bare copper and nickel-plated copper coolers in an EV cooling system. An industry accepted inhibitor aging test was applied to a flowing cooling system composed of aluminum battery coolers and copper power electronic coolers. Inhibitor aging was aggravated by reducing the quantity of coolant relative to the copper and aluminum surface areas, and by lengthening the exposure time to 3000 hrs. Ionic concentration of copper, nickel, and all metals, remained below the 3ppm limit of detection confirming the inhibitor package protects for the use of both bare and nickel-plated copper power electronic coolers.</div></div>
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How this classification was reachedexpand
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 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 teacher head, 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".