Research Article
Studying Disturbance Wave Velocity and Wall Shear Stress of Vertical Upward Annular Flow in Narrow Rectangular Channel
Table 1
Summary of correlations for the disturbance wave velocity.
| Reference | Correlation | Remarks |
| Kumar et al. [2] | | Rectangular channel: 6.35 mm × 63.5 mm | | |
| Marmottant and Villermaux [13] | | Liquid jet | Schubring [11] | | Air-water | Circular tube: | | |
| Al-Sarkhi et al. [14] | | Air-water | Circular tube: | | |
| Berna et al. [4] | | Multiple databases used | | |
| Ju et al. [5] | | Circular tube: | | | |
| Lin et al. [8] | | Air-water | Circular tube: | | |
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