Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field

This paper describes an analytical study of the magneto hydrodynamics of small CNG bubbles in laminar horizontal diesel flow under the influence of a magnetic field. The investigation is based on experiments carried out to identify the effect of varying the magnetic field intensity on the trajectory...

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Main Authors: Wahhab, H.A.A., Aziz, A.R.A., Al-Kayiem, H.H., Nasif, M.S., Afolabi, L.O.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.19280 /
Published: Korean Society of Mechanical Engineers 2017
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85035000169&doi=10.1007%2fs12206-017-1024-1&partnerID=40&md5=ae015dd21e1ec527eeb24778ef796f11
http://eprints.utp.edu.my/19280/
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spelling utp-eprints.192802018-05-03T02:09:57Z Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field Wahhab, H.A.A. Aziz, A.R.A. Al-Kayiem, H.H. Nasif, M.S. Afolabi, L.O. This paper describes an analytical study of the magneto hydrodynamics of small CNG bubbles in laminar horizontal diesel flow under the influence of a magnetic field. The investigation is based on experiments carried out to identify the effect of varying the magnetic field intensity on the trajectory, the formation of bubbles and their shape and velocity in the flow. Different images at different positions downstream of the CNG bubbles injection point were captured by a high speed camera and analyzed by image processing techniques provided information on bubble velocity, bubbles size, spatial location and gas area fraction as a function of changing the magnetic field intensity. The outcomes confirmed that CNG bubbles under magnetic field grow up vertically to an elliptical shape in the diesel phase with a mean diameter about twice that of the original bubble. It was also noticed that the velocity of the CNG bubbles decreased as the strength of the magnetic field increased. © 2017, The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature. Korean Society of Mechanical Engineers 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85035000169&doi=10.1007%2fs12206-017-1024-1&partnerID=40&md5=ae015dd21e1ec527eeb24778ef796f11 Wahhab, H.A.A. and Aziz, A.R.A. and Al-Kayiem, H.H. and Nasif, M.S. and Afolabi, L.O. (2017) Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field. Journal of Mechanical Science and Technology, 31 (11). pp. 5299-5309. http://eprints.utp.edu.my/19280/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description This paper describes an analytical study of the magneto hydrodynamics of small CNG bubbles in laminar horizontal diesel flow under the influence of a magnetic field. The investigation is based on experiments carried out to identify the effect of varying the magnetic field intensity on the trajectory, the formation of bubbles and their shape and velocity in the flow. Different images at different positions downstream of the CNG bubbles injection point were captured by a high speed camera and analyzed by image processing techniques provided information on bubble velocity, bubbles size, spatial location and gas area fraction as a function of changing the magnetic field intensity. The outcomes confirmed that CNG bubbles under magnetic field grow up vertically to an elliptical shape in the diesel phase with a mean diameter about twice that of the original bubble. It was also noticed that the velocity of the CNG bubbles decreased as the strength of the magnetic field increased. © 2017, The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature.
format Article
author Wahhab, H.A.A.
Aziz, A.R.A.
Al-Kayiem, H.H.
Nasif, M.S.
Afolabi, L.O.
spellingShingle Wahhab, H.A.A.
Aziz, A.R.A.
Al-Kayiem, H.H.
Nasif, M.S.
Afolabi, L.O.
Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field
author_sort Wahhab, H.A.A.
title Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field
title_short Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field
title_full Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field
title_fullStr Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field
title_full_unstemmed Prediction of the phase distribution of diesel/CNG bubbly flow in a horizontal pipe under the influence of a magnetic field
title_sort prediction of the phase distribution of diesel/cng bubbly flow in a horizontal pipe under the influence of a magnetic field
publisher Korean Society of Mechanical Engineers
publishDate 2017
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85035000169&doi=10.1007%2fs12206-017-1024-1&partnerID=40&md5=ae015dd21e1ec527eeb24778ef796f11
http://eprints.utp.edu.my/19280/
_version_ 1741196181895118848
score 11.62408

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