Research Article
A Study on the Instantaneous Turbulent Flow Field in a 90-Degree Elbow Pipe with Circular Section
Table 1
The comparison of static pressures on symmetric point pair.
| | | | | | | | Relative deviation
|
| 36° | Upper | 120° | 0.864 | 60° | 0.869 | 0.866 | 0.27% | 150° | 0.703 | 30° | 0.697 | 0.700 | 0.43% | Lower | 210° | −0.044 | 330° | −0.074 | −0.059 | 25.50% | 240° | −0.610 | 300° | −0.669 | −0.640 | 4.60% |
| 48° | Upper | 120° | 0.871 | 60° | 0.879 | 0.875 | 0.42% | 150° | 0.700 | 30° | 0.684 | 0.692 | 1.13% | Lower | 210° | 0.018 | 330° | 0.029 | 0.023 | 23.76% | 240° | −0.740 | 300° | −0.777 | −0.759 | 2.48% |
| 60° | Upper | 120° | 0.854 | 60° | 0.856 | 0.855 | 0.12% | 150° | 0.665 | 30° | 0.667 | 0.666 | 0.15% | Lower | 210° | −0.169 | 330° | −0.128 | −0.148 | 13.97% | 240° | −0.458 | 300° | −0.455 | −0.456 | 0.33% |
| 78° | Upper | 120° | 0.758 | 60° | 0.760 | 0.759 | 0.14% | 150° | 0.561 | 30° | 0.569 | 0.565 | 0.70% | Lower | 210° | −0.222 | 330° | −0.242 | −0.232 | 4.21% | 240° | −0.340 | 300° | −0.330 | −0.335 | 1.51% |
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