Frictional pressure drops of two-phase gas-liquid flow in rectangular channels

Ide, Hideo; Matsumura, Hirohisa

doi:10.1016/0894-1777(90)90034-5

Cited by 28 publications

(12 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Ide and Matsumura [24] investigated the effect of inclination angle on two-phase flow resistance. The results indicated that when the inclination angle is large and the superficial liquid velocity is small, the experimental data do not agree with the traditional correlations.…”

Section: Effects Of Gas and Liquid Flow Rate On Frictional Resistancementioning

confidence: 99%

Experimental investigations of single-phase and two-phase flow resistance in narrow rectangular duct under rolling condition

Xing¹,

Yan²,

Sun³

et al. 2013

AIP Conference Proceedings

View full text Add to dashboard Cite

Effects of rolling motion on single-phase and two-phase flow resistance were compared experimentally under ambient temperature and pressure. In the single-phase flow experiments, the different pump head was obtained by a variable speed electromotor, and the flow rate was adjusted combining with a regulating valve. However, for the two-phase pressure drop measurements, the pump delivering water operated with an invariable pressure head of 48m, in order to neglect the effect of pump head on flow fluctuation. The results indicated that effects of rolling motion on single-phase flow resistance depend on the pump head. The fluctuation amplitude of flow rate and frictional pressure drop decreases rapidly as the pump head increases, finally, the flow will tend to be steady if the pump head dramatically exceeds the additional pressure drop. Different from the case of single-phase flow, transient frictional pressure drop of two-phase flow fluctuates synchronously with the rolling motion when liquid Reynolds number is less than 1400, whereas keeps a stable steady state without obvious oscillation for other cases. The fluctuation amplitude is independent of rolling period and amplitude and decreases with the increase of flow rate. The inclination angle and phase interface distribution is taken into account in analyzing the influence of rolling motion on two-phase flow resistance. Comparing with the vertical condition, rolling motion nearly has no effects on time-averaged frictional resistance for both the single-phase and two-phase flow.

show abstract

Section: Effects Of Gas and Liquid Flow Rate On Frictional Resistancementioning

confidence: 99%

Experimental investigations of single-phase and two-phase flow resistance in narrow rectangular duct under rolling condition

Xing¹,

Yan²,

Sun³

et al. 2013

AIP Conference Proceedings

View full text Add to dashboard Cite

show abstract

“…Two-phase pressure drop was also studied by Ide and Matsumura [14] Wilson et al [20] experimentally studied two-phase pressure drop of refrigerant condensation in round and flattened tubes. By successively compressing and deforming the round tubes, flattened tubes were made with the same cross sectional area but smaller hydraulic diameter compared to its original round ones.…”

Section: Pressure Drop and Flow Regime In Non-circular Tubesmentioning

confidence: 99%

Effect of inclination on pressure drop and flow regimes in large flattened-tube steam condensers

Kang

Davies

Hrnjak

et al. 2017

Applied Thermal Engineering

View full text Add to dashboard Cite

This thesis presents an experimental study of the inclination effect on pressure drop and flow regime during condensation of steam in a large flattened tube used in air-cooled condensers (ACC) for power plants. Steam Because of the creation of the visualization window, the tube width was less than that used in industry, and thus a model that accounts for the differences in tube geometry between the full and test tube was developed and used to convert experimental pressure drop results to the full-sized tube under the same operating conditions. A prediction of pressure drop performance of the same steam condensing system under vacuum condition was also discussed. The negative dependence of pressure drop on inclination angle also prevailed in both converted results in atmospheric condition and the predicted ones in vacuum condition.iii Acknowledgement

show abstract

“…In one approach, the two-phase mixture is treated as a pseudo single phase fluid and properties such as viscosity and density are weighted based on quality. This model is known as the homogeneous equilibrium model and has been reported to be more accurate at higher mass qualities [20,21,22].…”

Section: -3mentioning

confidence: 99%

Interaction between Liquid Droplet Growth and Two-Phase Pressure Drop in PEM Fuel Cell Flow Channels

Mortazavi¹,

Tajiri²

2017

Proceedings of the 4th International Conference of Fluid Flow, Heat and Mass Transfer (FFHMT'17)

View full text Add to dashboard Cite

-In this paper, liquid-gas two-phase flow pressure drop in proton exchange membrane (PEM) fuel cell is studied in an exsitu experimental setup. The two-phase flow pressure drop is measured during liquid water droplet emergence and growth on the surface of the gas diffusion layer (GDL). The two-phase flow pressure measurement is synchronized with a high speed camera that records droplet emergence and growth. Simultaneous study of droplet size and liquid-gas two-phase flow pressure drop reveals useful information which can be utilized in analyzing existing two-phase flow pressure drop models.

show abstract

Frictional pressure drops of two-phase gas-liquid flow in rectangular channels

Cited by 28 publications

References 5 publications

Experimental investigations of single-phase and two-phase flow resistance in narrow rectangular duct under rolling condition

Experimental investigations of single-phase and two-phase flow resistance in narrow rectangular duct under rolling condition

Effect of inclination on pressure drop and flow regimes in large flattened-tube steam condensers

Interaction between Liquid Droplet Growth and Two-Phase Pressure Drop in PEM Fuel Cell Flow Channels

Contact Info

Product

Resources

About