Wind Catcher and Trans-evaporative Cooling Residential Integration in Arid Region
Bibliographic record
Abstract
The wind catcher potential for providing occupants comfort conditions is been investigated under trans-evaporative cooling for two-level simple dwelling in arid region. The wind catcher runs on the reverse chimney concept in which the upper wind is captured (by means of passive or active louvers) and is impregnated with moisture that consequently reducing its temperature and increasing its density. This results in a cold downdraft stream in the tower which is used to the conditioning of the dwelling space. This work uses a high fidelity computational fluid dynamics (CFD) of multiple species and two-phase flow to examine the performance of the wind catcher subjected to water injection in the form of mist of 10micron droplet size. The air flow is governed by the none-isothermal Navies-stokes equations which are coupled with energy equation in a conjugated heat transfer in accounting to the inner building walls and the convective conditions for the rest of the building. The water droplet is governed by the discrete phase that also in direct coupling with the continuous phase representing the wind. Flow parameters including velocity, temperature, relative humidity and droplets dispersion are evaluated and their distribution is presented. The setup is tested at different regional conditions manifested in the incoming wind speed, present relative humidity level and temperature sensitivity. Results show that in the average UAE summer conditions (42o C and 50% R. humidity) the role of wind catcher in evaporative cooling was deemed unimportant. However under pre-dehumidification near 25% R. humidity a significant temperature drop of 10 o C and reasonable R. humidity of near 60% can be obtained when integrating wind catcher to isolated dwellings.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".