A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes

Aliyu M. Aliyu, Liyun Lao, Hoi Yeung, Almabrok A. Almabrok

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

There is increasing evidence that gas/liquid two phase flow behaviour in large pipes (with diameter >100 mm) differs from those of smaller pipes. It has therefore become imperative that flow correlations are exclusively derived for large pipes so as to facilitate more accurate prediction of heat transfer and pressure drop in pipes and boilers encountered in the nuclear/process/oil and gas industries. This study focuses on the pipe diameter effect on vertical annular flow, a regime of two-phase flow characterised by liquid flowing along the pipe periphery and the gas and/or mist phase flowing in the pipe core. As such there exists friction at the interface between the core and liquid film on the wall. This interfacial friction is particularly important as it critically influences the behaviour and structure of the flow. This study is based on new large diameter pipe interfacial friction factor data which was obtained from pressure drop and liquid film thickness measurements made in Cranfield University's Serpent Rig (a 101.6 mm internal diameter flow loop) with the fluids co-currently flowing upwards through a 4 m long test section. Ranges of air and water superficial velocities taken were 1.42-28.87 m/s and 0.1-1.0 m/s respectively. Significant discrepancies were found between the published correlations derived using small pipe data and our experimentally determined interfacial friction. We have therefore made attempts to develop a new correlation using a dimensionless liquid film thickness and gas Reynolds number function that well fits the large pipe interfacial friction factor data.

Original languageEnglish
Title of host publicationProceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015
PublisherAvestia Publishing
Number of pages9
ISBN (Print)9781927877173
Publication statusPublished - Jul 2015
Externally publishedYes
EventProceedings of the World Congress on Mechanical, Chemical, and Material Engineering - Barcelona, Spain
Duration: 20 Jul 201521 Jul 2015

Publication series

NameProceedings of the World Congress on Mechanical, Chemical, and Material Engineering
ISSN (Electronic)2369-8136

Conference

ConferenceProceedings of the World Congress on Mechanical, Chemical, and Material Engineering
Abbreviated titleMCM 2015
CountrySpain
CityBarcelona
Period20/07/1521/07/15

Fingerprint

Two phase flow
Gases
Pipe
Friction
Liquids
Liquid films
Pressure drop
Film thickness
Thickness measurement
Gas industry
Fog
Boilers
Oils
Reynolds number
Heat transfer
Fluids
Water
Air

Cite this

Aliyu, A. M., Lao, L., Yeung, H., & Almabrok, A. A. (2015). A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes. In Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015 [280] (Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering). Avestia Publishing.
Aliyu, Aliyu M. ; Lao, Liyun ; Yeung, Hoi ; Almabrok, Almabrok A. / A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes. Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015. Avestia Publishing, 2015. (Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering).
@inproceedings{8e5fe0a1427243119bb56afc89bdb89d,
title = "A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes",
abstract = "There is increasing evidence that gas/liquid two phase flow behaviour in large pipes (with diameter >100 mm) differs from those of smaller pipes. It has therefore become imperative that flow correlations are exclusively derived for large pipes so as to facilitate more accurate prediction of heat transfer and pressure drop in pipes and boilers encountered in the nuclear/process/oil and gas industries. This study focuses on the pipe diameter effect on vertical annular flow, a regime of two-phase flow characterised by liquid flowing along the pipe periphery and the gas and/or mist phase flowing in the pipe core. As such there exists friction at the interface between the core and liquid film on the wall. This interfacial friction is particularly important as it critically influences the behaviour and structure of the flow. This study is based on new large diameter pipe interfacial friction factor data which was obtained from pressure drop and liquid film thickness measurements made in Cranfield University's Serpent Rig (a 101.6 mm internal diameter flow loop) with the fluids co-currently flowing upwards through a 4 m long test section. Ranges of air and water superficial velocities taken were 1.42-28.87 m/s and 0.1-1.0 m/s respectively. Significant discrepancies were found between the published correlations derived using small pipe data and our experimentally determined interfacial friction. We have therefore made attempts to develop a new correlation using a dimensionless liquid film thickness and gas Reynolds number function that well fits the large pipe interfacial friction factor data.",
keywords = "Frictional pressure drop, Interfacial shear stress, Liquid film thickness, Multiphase flow",
author = "Aliyu, {Aliyu M.} and Liyun Lao and Hoi Yeung and Almabrok, {Almabrok A.}",
year = "2015",
month = "7",
language = "English",
isbn = "9781927877173",
series = "Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering",
publisher = "Avestia Publishing",
booktitle = "Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015",

}

Aliyu, AM, Lao, L, Yeung, H & Almabrok, AA 2015, A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes. in Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015., 280, Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, Avestia Publishing, Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, Barcelona, Spain, 20/07/15.

A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes. / Aliyu, Aliyu M.; Lao, Liyun; Yeung, Hoi; Almabrok, Almabrok A.

Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015. Avestia Publishing, 2015. 280 (Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes

AU - Aliyu, Aliyu M.

AU - Lao, Liyun

AU - Yeung, Hoi

AU - Almabrok, Almabrok A.

PY - 2015/7

Y1 - 2015/7

N2 - There is increasing evidence that gas/liquid two phase flow behaviour in large pipes (with diameter >100 mm) differs from those of smaller pipes. It has therefore become imperative that flow correlations are exclusively derived for large pipes so as to facilitate more accurate prediction of heat transfer and pressure drop in pipes and boilers encountered in the nuclear/process/oil and gas industries. This study focuses on the pipe diameter effect on vertical annular flow, a regime of two-phase flow characterised by liquid flowing along the pipe periphery and the gas and/or mist phase flowing in the pipe core. As such there exists friction at the interface between the core and liquid film on the wall. This interfacial friction is particularly important as it critically influences the behaviour and structure of the flow. This study is based on new large diameter pipe interfacial friction factor data which was obtained from pressure drop and liquid film thickness measurements made in Cranfield University's Serpent Rig (a 101.6 mm internal diameter flow loop) with the fluids co-currently flowing upwards through a 4 m long test section. Ranges of air and water superficial velocities taken were 1.42-28.87 m/s and 0.1-1.0 m/s respectively. Significant discrepancies were found between the published correlations derived using small pipe data and our experimentally determined interfacial friction. We have therefore made attempts to develop a new correlation using a dimensionless liquid film thickness and gas Reynolds number function that well fits the large pipe interfacial friction factor data.

AB - There is increasing evidence that gas/liquid two phase flow behaviour in large pipes (with diameter >100 mm) differs from those of smaller pipes. It has therefore become imperative that flow correlations are exclusively derived for large pipes so as to facilitate more accurate prediction of heat transfer and pressure drop in pipes and boilers encountered in the nuclear/process/oil and gas industries. This study focuses on the pipe diameter effect on vertical annular flow, a regime of two-phase flow characterised by liquid flowing along the pipe periphery and the gas and/or mist phase flowing in the pipe core. As such there exists friction at the interface between the core and liquid film on the wall. This interfacial friction is particularly important as it critically influences the behaviour and structure of the flow. This study is based on new large diameter pipe interfacial friction factor data which was obtained from pressure drop and liquid film thickness measurements made in Cranfield University's Serpent Rig (a 101.6 mm internal diameter flow loop) with the fluids co-currently flowing upwards through a 4 m long test section. Ranges of air and water superficial velocities taken were 1.42-28.87 m/s and 0.1-1.0 m/s respectively. Significant discrepancies were found between the published correlations derived using small pipe data and our experimentally determined interfacial friction. We have therefore made attempts to develop a new correlation using a dimensionless liquid film thickness and gas Reynolds number function that well fits the large pipe interfacial friction factor data.

KW - Frictional pressure drop

KW - Interfacial shear stress

KW - Liquid film thickness

KW - Multiphase flow

UR - http://www.scopus.com/inward/record.url?scp=85028991591&partnerID=8YFLogxK

UR - https://avestia.com/MCM2015_Proceedings/files/about_MCM2015.html

M3 - Conference contribution

AN - SCOPUS:85028991591

SN - 9781927877173

T3 - Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering

BT - Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015

PB - Avestia Publishing

ER -

Aliyu AM, Lao L, Yeung H, Almabrok AA. A comparative analysis of interfacial friction factor correlations for adiabatic co-current gas-liquid annular two-phase flow in large diameter pipes. In Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering, MCM 2015. Avestia Publishing. 2015. 280. (Proceedings of the World Congress on Mechanical, Chemical, and Material Engineering).