Investigation of Sequential and Simultaneous Crossflow HeatExchangers for Automotive Application
Bibliographic record
Abstract
In current research, forced convective heat transfer of sequential and simultaneous heat exchangers are numerically investigated. Both, the sequential and the simultaneous, modules of heat exchangers are identical in size, i.e. frontal area and volume. The simulations have been conducted on serpentine finned heat exchangers in air-to-liquid cross-flow orientation using ANSYS FLUENT, a widely used finite volume method (FVM) commercial code. The heat transfer are concurrently obtained for automatic transmission fluid (ATF) and 50% ethylene glycol-water mixture (EG). In the airside, the constant inlet temperature and velocity of the air have been maintained at 25C and 6.3 m/s respectively. In liquid side, the inlet temperature of ATF and EG have also been kept constant at 150C and 105C respectively. For both the sequential and the simultaneous orientations, air has been used to cool ATF and EG at various massflow rates within a laminar flow regime. For a given Reynolds number, simultaneous heat exchanger module displays significant enhancement of heat transfer rate than that of the conventional sequential module.
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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 | 0.000 | 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 | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".