Aerodynamic Drop Breakup Suppression Due To Vaporization
Bibliographic record
Abstract
The vaporization of a freely moving liquid droplet in a uniform high-temperature gas stream is investigated through direct numerical simulation.The sharp liquid-gas interface is tracked using the geometric Volume-of-Fluid (VOF) method.The incompressible Navier-Stokes equations are solved in conjunction with a two-fluid model for the thermal energy advection and conduction, with an immersed Dirichlet boundary condition at the interface to implicitly account for the latent heat absorption.The model is implemented in the open-source solver, Basilisk, which uses adaptive quadtree/octree mesh for spatial discretization and will allow for adaptive mesh refinement of the region near the interface.An acetone droplet at a moderate Weber number is simulated where the drop deforms into a bag shape and experiences breakup.The rate of vaporization of the drop is then increased to study the influence of vaporization on the drop breakup behaviour.By increasing the rate of vaporization, we observe the suppression of droplet breakup, making an otherwise unstable droplet stable.
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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".