Thermodynamic and heat transfer studies on solar Stirling engine
Why this work is in the frame
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Bibliographic record
Abstract
A solar Stirling engine has been considered for thermodynamic and heat transfer studies and analyzed its performance under the solar radiation conditions at the VIT University, Vellore. The performance of plant has been compared with five working gases to select a suitable working fluid for the Stirling engine. As per the results, helium has been selected as working gas to develop the performance characteristics. The influence of design conditions i.e. receiver gas temperature, engine maximum pressure and concentration ratio on performance of the plant has been developed. The receiver's conduction, convection and radiation losses are predicted to find the solar concentrator receiver's efficiency. The results show that the optimum receiver gas temperature is function of type working fluid, engine maximum pressure and concentration ratio. The plant efficiency and specific power output are 10% and 2.7 kW/liter of helium at 540 W/m <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> of solar direct normal irradiation (DNI).
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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