EXPERIMENTAL CHARACTERIZATION OF A SUPERSONIC SEPARATION SYSTEM FOR TWO PHASE GAS - VAPOUR FLOWS
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Bibliographic record
Abstract
The present study describes an experimental plant fitted with a supersonic separation device that is able to perform the separation of a two phase gas - vapor flow. The experimental plant operates in \naccordance with an innovative process scheme based on the combination of thermodynamics and fluid dynamics effects of the following transformations: \n- an adiabatic expansion of the two phase gas-vapour flow; \n- a rapid nucleation and condensation of the vapour phase; \n- a separation of the liquid phase through a separation device; \nThe expansion of the two phase flow is accomplished through a converging-diverging nozzle (De Laval nozzle) placed at the entrance of the plant. The wet gas is adiabatically expanded inside the device and it is accelerated until a supersonic speed; this transformation creates a rapid pressure and temperature \ndrop of the flowing gas and produces a rapid vapour nucleation and a subsequent condensation of thin droplets. The multiphase flow is then conveyed inside a droplet separator which removes the liquid \ndroplets previously condensed. \nAfter the description of the experimental plant a bibliographic analysis of the state of the art of gas – vapour flows separation devices is reported, stressing all the physical processes which take place during the normal of the supersonic separator operation and the kinetics of the nucleation and condensation mechanisms of the water droplets. The bibliographic review provides the theoretic \nstarting point for the experimental tests that will be performed at the two phase flows Laboratory of Dipartimento di Energetica. \nThe experimental campaign will investigate several relevant geometric and physical parameters of the separation system to highlight the response of the system both in terms of different inlet operating conditions and outlet streams required characteristics (gas and liquid flow rate, specific humidity, pressure and temperature) so that to optimize the separation process from a thermodynamic and geometric point of view.
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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