Experimental Study of Effects of Axi-asymmetric Combustion Air Supply in Horizontally Oil-fired Burner and Furnace
Bibliographic record
Abstract
Effects of axi-asymmetric combustion conditions were studied in a horizontally oil-fired and 3-staged swirl burner. Axi-asymmetric conditions were created by supplying combustion air through six different air inlets from the back panel of the burner. Experimental conditions were decided by varying the degree of axi-asymmetry and changing the location of the minimum flow rate value in unimodal and bimodal air distribution. Temperature profiles inside a furnace were mapped using R-type thermocouples and flame images were captured by a CCD camera, to investigate the intensity of visible flames, focusing on the effects of asymmetrically supplied combustion air. Experimental results show three distinct phenomena. The unimodal air distribution deformed the flame shape more axi-asymmetrically (inclined toward the minimum flow region) than the bimodal case. The flame shape was affected by buoyancy and by the location of the minimum flow rate in air distribution. Especially, when combustion air was discharged less in the ascending region of the swirl flow, the flame shape was more deformed toward where the air was supplied less. The critical values in the degree of axi-asymmetric combustion air supply were identified to form an inclined straight shape of the radial temperature profile rather than a parabolic one.
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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".