A new scientific explanation to rock fracture-induced electromagnetic radiation process
Why this work is in the frame
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Bibliographic record
Abstract
The electromagnetic radiation (EMR) monitoring and early warning technology has experienced decades of successful applications for worldwide coal and rock dynamic disasters, yet a fundamental model unifying physical mechanism and generation process for EMR is still lacking. The effective revealing of EMR’s mechanism is crucial for dynamic disaster control and management. With this motive, a multi-scale experimental study was conducted in the earlier stage. At the micro-scale, the charge’s existence and non-uniform distribution on rock’s micro-surface were confirmed by atomic force microscope (AFM), and deduced the relationship with load changes. At the meso-scale, the time sequence synchronization and frequency domain consistency of EMR and micro-vibration (MV) in the rock fracture under load have been confirmed. Therefore, it is inferred that the vibration of the crack surface acts as the power source of rock fracture-induced EMR, and the original charge on the crack surface and the charge generated by the new crack surface are the electrical basis of EMR. Based on the above two experimental findings, this paper proposes a new mechanism of rock fracture-induced EMR defined as the electricity-vibration coupling mechanism, stating that, the vibrating charged crack generates the EMR. Subsequently, a generation model was constructed based on vibrating charged crack clusters to elucidate this mechanism. The experimental results demonstrated that the EMR waveform calculated by the model and measured by antenna exhibited good correspondence, thereby verifying the effectiveness of the constructed EMR model. The proposal of this new mechanism and the model further clarified the EMR’s mechanism induced by rock fracture. Moreover, the inter-relationship among crack propagation, vibration, and EMR was developed by this model, which could be immensely beneficial in EMR-based identification and prediction of dynamic disasters in complex mining environments worldwide.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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