Studies on Two-Phase Flows at Normal and Microgravity Conditions

Figure 1 Figure 2
Fig. 1. Dimensionless flow pattern map for microgravity two-phase flows. (For slug-annular transition for Su > 106 and for bubble-slug transition. Fig. 2. Dimensionless flow pattern map for the slug-annular transition in microgravity two-phase flows.

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Figure 3 Fig. 3. Comparison of our new experimental data on microgravity flow patterns with the prediction of Eqs. (1) and (2).

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Figure 4 Fig. 4. Dependence of normalized liquid film thickness on the liquid Reynolds number for microgravity annular two-phase flow and the comparison with the proposed correlations.

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Figure 5 Fig. 5. Comparison of calculated h+rms values with the experimental data.

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Figure 6 Fig. 6. Comparison of the friction factor for the interfacial shear stress in microgravity annular flows with the existing normal gravity annular flow correlation of Asali et al. (1985) (dashed line) with the new correlation (solid line).

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Contents
ISSO -- Institute for Space Systems Operations
1997-1998 Annual Report

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