Numerical Simulation of Forced Convective Heat Transfer Coefficients on the Facade of Low-and High-Rise Buildings
Bibliographic record
Abstract
Many commercial and institutional buildings use glazed curtain walls from floor to ceiling, however, glazing has very little ability to control heat flow. Previous studies have shown that the thermal resistance of glazing is usually less than other components of a building’s envelope. In order to evaluate building energy consumption accurately knowledge of the convective heat transfer coefficient (CHTC) distribution over the surface of the building is important. In this paper, high-resolution 3D steady reynolds-averaged navier-stokes (RANS) computational fluid dynamics (CFD) simulations of forced convective heat transfer at the windward facade of five buildings with various building heights having 3, 10, 15, 20 and 30 storeys are presented. The influence of building height on CHTC distribution is investigated at different Reynolds numbers ranging from 0.7x106 to 33x106. It was observed that as H increases from 10m to 101m, the surface average-CHTC on the windward façade increases by about 55%. Moreover, a correlation has been developed as function of building height.
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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".