Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert

Wen Liu; Bofeng Bai

doi:10.1115/FEDSM2014-21144

Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert

Wen Liu
, Bofeng Bai

School of Energy and Power Engineering

Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

20 Scopus citations

Abstract

Swirling gas-liquid two-phase flow patterns and pressure drop in vertical pipes of a large diameter are widely present in practical applications but not well documented in experimental studies. This paper presented an experimental study on gas-liquid two phase flow patterns and pressure drop inside a vertical pipe of 62mm in inner diameter (ID) containing a helical tape insert. Experimental results were obtained in a vertical visualization test section with a length of 7m, liquid mass velocities ranging from 0.3 to1000 kg/(m²·s), and gas mass velocities from 3.2 to 900kg/(m²·s). Considering the decay of the swirl flow, the swirling flow regime map at different cross sections (z/D = 16, 32 and 64) were concluded, and their effects on the pressure drop were investigated.

Original language	English
Title of host publication	Symposia
Subtitle of host publication	Transport Phenomena in Mixing; Turbulent Flows; Urban Fluid Mechanics; Fluid Dynamic Behavior of Complex Particles; Analysis of Elementary Processes in Dispersed Multiphase Flows; Multiphase Flow With Heat/Mass Transfer in Process Technology; Fluid Mechanics of Aircraft and Rocket Emissions and Their Environmental Impacts; High Performance CFD Computation; Performance of Multiphase Flow Systems; Wind Energy; Uncertainty Quantification in Flow Measurements and Simulations
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791846247
DOIs	https://doi.org/10.1115/FEDSM2014-21144
State	Published - 2014
Event	ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, FEDSM 2014, Collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels - Chicago, United States Duration: 3 Aug 2014 → 7 Aug 2014

Publication series

Name	American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM
Volume	1D
ISSN (Print)	0888-8116

Conference

Conference	ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, FEDSM 2014, Collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels
Country/Territory	United States
City	Chicago
Period	3/08/14 → 7/08/14

Access to Document

10.1115/FEDSM2014-21144

Cite this

Liu, W., & Bai, B. (2014). Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert. In Symposia: Transport Phenomena in Mixing; Turbulent Flows; Urban Fluid Mechanics; Fluid Dynamic Behavior of Complex Particles; Analysis of Elementary Processes in Dispersed Multiphase Flows; Multiphase Flow With Heat/Mass Transfer in Process Technology; Fluid Mechanics of Aircraft and Rocket Emissions and Their Environmental Impacts; High Performance CFD Computation; Performance of Multiphase Flow Systems; Wind Energy; Uncertainty Quantification in Flow Measurements and Simulations (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM; Vol. 1D). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/FEDSM2014-21144

Liu, Wen ; Bai, Bofeng. / Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert. Symposia: Transport Phenomena in Mixing; Turbulent Flows; Urban Fluid Mechanics; Fluid Dynamic Behavior of Complex Particles; Analysis of Elementary Processes in Dispersed Multiphase Flows; Multiphase Flow With Heat/Mass Transfer in Process Technology; Fluid Mechanics of Aircraft and Rocket Emissions and Their Environmental Impacts; High Performance CFD Computation; Performance of Multiphase Flow Systems; Wind Energy; Uncertainty Quantification in Flow Measurements and Simulations. American Society of Mechanical Engineers (ASME), 2014. (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM).

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title = "Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert",

abstract = "Swirling gas-liquid two-phase flow patterns and pressure drop in vertical pipes of a large diameter are widely present in practical applications but not well documented in experimental studies. This paper presented an experimental study on gas-liquid two phase flow patterns and pressure drop inside a vertical pipe of 62mm in inner diameter (ID) containing a helical tape insert. Experimental results were obtained in a vertical visualization test section with a length of 7m, liquid mass velocities ranging from 0.3 to1000 kg/(m2·s), and gas mass velocities from 3.2 to 900kg/(m2·s). Considering the decay of the swirl flow, the swirling flow regime map at different cross sections (z/D = 16, 32 and 64) were concluded, and their effects on the pressure drop were investigated.",

author = "Wen Liu and Bofeng Bai",

note = "Publisher Copyright: Copyright {\textcopyright} 2014 by ASME.; ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, FEDSM 2014, Collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels ; Conference date: 03-08-2014 Through 07-08-2014",

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Liu, W & Bai, B 2014, Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert. in Symposia: Transport Phenomena in Mixing; Turbulent Flows; Urban Fluid Mechanics; Fluid Dynamic Behavior of Complex Particles; Analysis of Elementary Processes in Dispersed Multiphase Flows; Multiphase Flow With Heat/Mass Transfer in Process Technology; Fluid Mechanics of Aircraft and Rocket Emissions and Their Environmental Impacts; High Performance CFD Computation; Performance of Multiphase Flow Systems; Wind Energy; Uncertainty Quantification in Flow Measurements and Simulations. American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, vol. 1D, American Society of Mechanical Engineers (ASME), ASME 2014 4th Joint US-European Fluids Engineering Division Summer Meeting, FEDSM 2014, Collocated with the ASME 2014 12th International Conference on Nanochannels, Microchannels, and Minichannels, Chicago, United States, 3/08/14. https://doi.org/10.1115/FEDSM2014-21144

Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert. / Liu, Wen; Bai, Bofeng.
Symposia: Transport Phenomena in Mixing; Turbulent Flows; Urban Fluid Mechanics; Fluid Dynamic Behavior of Complex Particles; Analysis of Elementary Processes in Dispersed Multiphase Flows; Multiphase Flow With Heat/Mass Transfer in Process Technology; Fluid Mechanics of Aircraft and Rocket Emissions and Their Environmental Impacts; High Performance CFD Computation; Performance of Multiphase Flow Systems; Wind Energy; Uncertainty Quantification in Flow Measurements and Simulations. American Society of Mechanical Engineers (ASME), 2014. (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM; Vol. 1D).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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PY - 2014

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N2 - Swirling gas-liquid two-phase flow patterns and pressure drop in vertical pipes of a large diameter are widely present in practical applications but not well documented in experimental studies. This paper presented an experimental study on gas-liquid two phase flow patterns and pressure drop inside a vertical pipe of 62mm in inner diameter (ID) containing a helical tape insert. Experimental results were obtained in a vertical visualization test section with a length of 7m, liquid mass velocities ranging from 0.3 to1000 kg/(m2·s), and gas mass velocities from 3.2 to 900kg/(m2·s). Considering the decay of the swirl flow, the swirling flow regime map at different cross sections (z/D = 16, 32 and 64) were concluded, and their effects on the pressure drop were investigated.

AB - Swirling gas-liquid two-phase flow patterns and pressure drop in vertical pipes of a large diameter are widely present in practical applications but not well documented in experimental studies. This paper presented an experimental study on gas-liquid two phase flow patterns and pressure drop inside a vertical pipe of 62mm in inner diameter (ID) containing a helical tape insert. Experimental results were obtained in a vertical visualization test section with a length of 7m, liquid mass velocities ranging from 0.3 to1000 kg/(m2·s), and gas mass velocities from 3.2 to 900kg/(m2·s). Considering the decay of the swirl flow, the swirling flow regime map at different cross sections (z/D = 16, 32 and 64) were concluded, and their effects on the pressure drop were investigated.

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Liu W, Bai B. Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert. In Symposia: Transport Phenomena in Mixing; Turbulent Flows; Urban Fluid Mechanics; Fluid Dynamic Behavior of Complex Particles; Analysis of Elementary Processes in Dispersed Multiphase Flows; Multiphase Flow With Heat/Mass Transfer in Process Technology; Fluid Mechanics of Aircraft and Rocket Emissions and Their Environmental Impacts; High Performance CFD Computation; Performance of Multiphase Flow Systems; Wind Energy; Uncertainty Quantification in Flow Measurements and Simulations. American Society of Mechanical Engineers (ASME). 2014. (American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM). doi: 10.1115/FEDSM2014-21144

Two-phase flow patterns and pressure drop inside a vertical pipe containing a short helical tape insert

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