A simulation-based review of the ubiquitous window-head-height to daylit zone depth rule-of-thumb
Why this work is in the frame
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Bibliographic record
Abstract
This paper reviews the validity of the ubiquitous daylighting rule of thumb (DRT) that relates window-head-height to the depth of the daylit area adjacent to a facade. Different versions of the rule taken from prominent daylighting design guides and norms are presented. A formal link is established between the depth of the daylit zone and the simulated daylight autonomy distribution in a space. Based on this link daylit zone depths of rectangular sidelit spaces are simulated using Radiance for a variety of climates, facade orientations, facade geometries, and usage patterns. Simulation results largely support predictions made by DRT for standard design variants. At the same time they demonstrate the limitations of the rule and promote daylight simulations as a natural complement to the rule if more advanced daylighting systems are investigated.
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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 it