Heat‐Source and Evaporation Temperatures for the Organic Rankine Cycle
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Bibliographic record
Abstract
Abstract This study establishes an analytical model to investigate the pinch‐point temperature difference (PPTD) between the heat source and the working fluid in the evaporator of the organic Rankine cycle (ORC) to determine the position of the PPTD and the mass flow rate of the working fluid. Based on the analytical model, a theoretical formula of net output power is proposed to analyze the effects of the evaporation temperature. The results show that the effects of the evaporation temperature depend on the position of the PPTD, which can be determined directly by using the heat‐source temperature, and the characteristic temperature is regarded as constant for each working fluid. The results of the net power output and the optimal evaporation temperature are calculated by using these theoretical formulas and the simulation method for 11 working fluids. A comparison of the results verifies the accuracy of the formulas.
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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