Enhancement Of The Parallel And Series Mode Of The Ultrasonic Atomizer On The Ammonia-Water Falling Film Absorber
Bibliographic record
Abstract
Falling film absorber is widely used in the ammonia-water absorption refrigeration system, and the mass transfer area can be enlarged by the atomization device to overcome the shortages of low system energy efficiency and large system size. Ultrasonic atomizer can produced micron size droplets, so the liquid-vapor contact area can be further enlarged. Considering the large flight resistance of the small size droplets, the ultrasonic atomizer devices are located at the top of the absorber, and two installation strategies (i.e., parallel and series) are proposed. To analyze the improvement of the novel absorber with the installation of the atomizer, a mathematical model to describe the mass and heat transfer of the novel absorber is established. The model is verified by the reported data of literature, and the enhancement effects of the parallel and series installation strategies of the atomizer are discussed by the validated model. In the condition of this paper, compared with traditional falling film absorber, the ammonia absorbed rate is increased by 22.5% for the parallel installation strategy and 17% for the series installation strategy. Compared with the improvement of the cooling capacity, the energy consumption of the atomizer is worth.
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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 | 0.001 | 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".