Download Advances in multiphase flow and heat transfer Vol. 1, 2009 by Lixin Cheng; Dieter Mewes PDF

By Lixin Cheng; Dieter Mewes

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Extra resources for Advances in multiphase flow and heat transfer Vol. 1, 2009

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The flow visualization section is the central portion of the void fraction section. 7 mm. Pressure taps are included in the flow visualization section for measuring pressure drop across the section. The void fraction section is constructed to trap mixture of two-phase flow in order to measure the volume of the liquid portion. With the known volume of the void fraction section and the measured volume of the liquid portion, the value of the void fraction can be determined. To trap the two-phase mixture in the void fraction section, three quick closing valves are used.

Using the general two-phase heat transfer correlation, Eq. (24), the value for hTP/hL is estimated to be, 42 Advances in Multiphase Flow and Heat Transfer Vol. 2×10-6 kg m-1 s-1, respectively. 65 by Dorresteijn [71], the general two-phase heat transfer correlation, Eq. 3%. 7×10-3 N m-1), non-greasy, soft feel and subtle skin lubricity characteristics. 7-mm diameter vertical (θ = 90°) tube. Using the general two-phase heat transfer correlation, Eq. (24), the two-phase heat transfer coefficient for this flow can be estimated.

Comparison of experimental data with Eq. (26), for the slug-churn transition. 600 ‡ VSG [m s-1] Experimental Eq. 94 and m = 1 Experimental Results of Void Fraction in Upward Vertical Flow The experimental results of void fraction in upward vertical flow were measured from the test section for flow visualization and void fraction illustrated in Fig. 9. The variation of void fraction with gas mass flow rate for vertical pipe flow is shown in Fig. 18. As liquid mass flow rate increases, the increase in liquid holdup cause the void fraction versus gas mass flow rate curves shift lower.

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