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Review
Table 3
Key Studies on effects of pipe diameter on void fraction and phase distribution in horizontal two-phase flow.
| Author | Dpipe (mm) | Flow regime | Fluid | Methodology | jf (m/s) | jg (m/s) | Aim of study |
|---|---|---|---|---|---|---|---|
| Xu et al. [66] | 25, 50 | Stratified, Slug | Oil-water | Experimental (Drift flux) | 0.07–7.07 | 0.03–0.94 (oil fraction) | Flow rate effect on phase holdup |
| Kong et al. [3] | 38.1, 101.6 | Stratified, Wavy | Air–water | Experimental (Sensors, cameras) | 0.02–6.00 | 0.10–19.60 | Pipe size effect on flow transitions, interfacial structure |
| Nydal et al. [21] | 53, 90 | Slug | Air–water | Experimental (Conductance probes) | 0.6–3.5 | 0.5–20.0 | Identify slug flow parameters to refine models |
| Kong et al. [76] | 38.1, 50.8, 101.6 | Dispersed, Intermittent | Air–water | Experimental (4-sensor probe) | 3.00–6.00 | 0.08–1.00 | Interfacial area transport equation for bubbly flows |
| Kong et al. [71] | 38.1, 101.6 | Dispersed, Intermittent | Air–water | Experimental (Cameras, probes) | 2.5–6.00 | 0.08–1.00 | Study interfacial structure in large diameter |
| Andreussi et al. [86] | 18, 50 | Bubbly Slug | Air–water | Experimental (Probes) | – | – | Identify dispersed bubble to elongated bubble transition |
| Wan et al. [94] | 27.86, 54.78, 108 | Intermittent | Air–water | Experimental (High-speed camera) | 0.2–8.2 | – | Develop diameter scaling correlations for slug velocities |
| Tarahomi et al. [29] | 9.52,13,5,38.1, 52 | Stratified, Slug, and Bubbly | Air–water | CFD Simulations (ANSYS) | 0.0023–6 | 0.075–15.94 | Scaling method for two-phase flows in horizontal pipes |
| Zhou et al. [9] | 15, 20, 25 | Dispersed, Intermittent | Air–Water | Experimental (Flow visualization) | 0.1–2.0 | 0.3–15.0 | Investigate fluctuating vibration effect on void fraction |
| Nicholson et al. [88] | 25.8, 51.2 | Intermittent | Air–Water | Experimental | 0.03–2.13 | 0.06–2.29 | Modify the Dukler-Hubbard slug flow model |
| Andreussi and Bendiksen [60] | 50, 90 | Intermittent | Air–water | Experimental (Conductance probe) | – | – | Investigating void fraction in liquid slugs |
| Kong et al. [81] | 38.1 and 101.6 | Intermittent | Air–Water | Experimental (sensor probe, speed, camera) | 2.00–6.00 | 0.15–3.00 | Investigate local interfacial structure and pipe size effect |
| Widyatama et al. [61] | 16, 50 | Intermittent | Air–Water | Experimental (High-speed camera) | 0.2–0.77 | 0.7–2.83 | Develop an image processing method for slug flow analysis |
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