INVESTIGATION OF LAMINAR AND TURBULENT FLOW THROUGH AN ORIFICE PLATE INSERTED IN A PIPE
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Bibliographic record
Abstract
The objective of this work is to investigate the effects of the square edged circular orifice plate thickness and Reynolds number on the flow characteristics using finite volume method for both laminar and turbulent flows. Here, the orifice thickness/diameter ratio is varied over the range of l/12≤t*≤ 1 and for the Reynolds number range of 0≤Re o ≤2×l0 5 keeping the orifice/pipe diameter ratio, β=0.6, constant. Hence, consideration in this work is given to the effects of Reynolds number and orifice thickness on discharge coefficient, C d =f(Re, t*). Flow was assumed to be two dimensional, viscous, incompressible and steady for both laminar and turbulent flow regimes. Velocity distributions, formation of separated flow regions, flow discharge coefficients and hence the response of the orifice meter geometry to known upstream flow conditions is investigated as a function of Reynolds number and dimensionless orifice thickness (t*). The discharge coefficient, C d , values are more sensitive to Reynolds number in the case of smallest values of t*. Minimum variation of discharge coefficient with respect to Re 0 occurs at t*=1 in both laminar and turbulent flows. Consequently, having t*=1 causes less pressure drop and less variations in C d values comparing with the results of t*=1/12.
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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