A CFD Investigation of Window Cooling for an Optically Accessible Combustion Rig
Bibliographic record
Abstract
Numerical simulation was performed for the window cooling system of a new facility, the High Pressure Optically Accessible Combustion Rig, at Institute for Aerospace Research, National Research Council Canada. The Shear-Stress Transport k-ω two-equation model in FLUENT was used to solve the complex flows. The numerical results revealed that a cooling film was formed along the window glass. However, because of the presence of the bridge blocks the cooling film was not quite uniform. The bridge blocks for the cooling slots induced complex flow patterns and thus reduced the cooling effectiveness for the window. The maximum surface temperature was found to be at the trailing edge of the inner window surface. The cooling flow exiting from the downstream end cooling slot formed a large and strong vortex, which entrained hot air from the combustion air flow and caused the described high surface temperature. At the current flow condition, the maximum value of the temperature on the window surface was slightly higher than the allowable temperature for the designed window material.
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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".