TWO-PHASE AIR-WATER FLOW PATTERNS IN HORIZONTAL AND NEAR HORIZONTAL WATER TUNNELS

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KABIRI SAMANI A.A.R.; BORGHEI S.M.; SAEIDI M.H.

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Journal: Sharif Journal of Civil Engineering Year:2006 | Volume:22 | Issue:35 Page(s): 13-22

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Title

TWO-PHASE AIR-WATER FLOW PATTERNS IN HORIZONTAL AND NEAR HORIZONTAL WATER TUNNELS

Author(s)

KABIRI SAMANI A.A.R. | BORGHEI S.M. | SAEIDI M.H. | Issue Writer Certificate

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Abstract

When two fluids with different physical properties, such as air and water, flow in a pipe, different flow patterns may occur. Flow pattern includes the distribution of each phase in respect to the other. In other words, the main property of two-phase flow is the shape of the interface between two fluids, which is due to the physical and hydraulic properties of fluids and flow. The behavior of the flow very much depends on its phase and, hence, very important to verify, which should be done experimentally. An experimental investigation has been carried out to verify different probable flow patterns in long water tunnels and conduits, based on dimensional analysis. Applying dimensional analysis, the most effective dimensionless parameters on flow patterns were found and different flow pattern maps were introduced to find the flow regime for given hydraulic properties. It has been shown that among dimensionless parameters, pipe slope, void fraction and Froude number have the most significant effect on a two-phase flow interface.

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APA: Copy

KABIRI SAMANI, A.A.R., BORGHEI, S.M., & SAEIDI, M.H.. (2006). TWO-PHASE AIR-WATER FLOW PATTERNS IN HORIZONTAL AND NEAR HORIZONTAL WATER TUNNELS. SHARIF: CIVIL ENINEERING, 22(35), 13-22. SID. https://sid.ir/paper/128024/en

Vancouver: Copy

KABIRI SAMANI A.A.R., BORGHEI S.M., SAEIDI M.H.. TWO-PHASE AIR-WATER FLOW PATTERNS IN HORIZONTAL AND NEAR HORIZONTAL WATER TUNNELS. SHARIF: CIVIL ENINEERING[Internet]. 2006;22(35):13-22. Available from: https://sid.ir/paper/128024/en

IEEE: Copy

A.A.R. KABIRI SAMANI, S.M. BORGHEI, and M.H. SAEIDI, “TWO-PHASE AIR-WATER FLOW PATTERNS IN HORIZONTAL AND NEAR HORIZONTAL WATER TUNNELS,” SHARIF: CIVIL ENINEERING, vol. 22, no. 35, pp. 13–22, 2006, [Online]. Available: https://sid.ir/paper/128024/en

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