Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect

The microexplosion evolution phenomenon of single droplets of water in pure diesel emulsion under Leidenfrost effect has been studied. The tested emulsions were stabilized with a blend of commercial surfactants with three different water contents of 9, 12, and 15. A high speed camera synchronized wi...

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Main Authors: Yahaya Khan, M., Abdul Karim, Z.A., Aziz, A.R.A., Heikal, M.R., Crua, C.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.19439 /
Published: Taylor and Francis Inc. 2017
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020192128&doi=10.1080%2f00102202.2016.1275593&partnerID=40&md5=14f884093988b9c30bf717945edfc567
http://eprints.utp.edu.my/19439/
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spelling utp-eprints.194392018-04-20T05:56:19Z Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect Yahaya Khan, M. Abdul Karim, Z.A. Aziz, A.R.A. Heikal, M.R. Crua, C. The microexplosion evolution phenomenon of single droplets of water in pure diesel emulsion under Leidenfrost effect has been studied. The tested emulsions were stabilized with a blend of commercial surfactants with three different water contents of 9, 12, and 15. A high speed camera synchronized with backlight technique was used to capture the evolution of microexplosion and puffing. Three different droplet diameters of approximately 2.6 mm, 2 mm, and 0.2 mm were analyzed. It was found that the tendency of microexplosion and puffing frequency was influenced by the droplet diameter. Coalescence was the dominating factor in inducing microexplosion in bigger droplets. It was observed that the child droplets ejected from the parent droplet undergoes further puffing processes. The size of the secondary droplets after microexplosion were also found to be slightly influenced by the parent droplet size. The waiting time for microexplosion and puffing were compared for different droplets size. © 2017 Taylor & Francis. Taylor and Francis Inc. 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020192128&doi=10.1080%2f00102202.2016.1275593&partnerID=40&md5=14f884093988b9c30bf717945edfc567 Yahaya Khan, M. and Abdul Karim, Z.A. and Aziz, A.R.A. and Heikal, M.R. and Crua, C. (2017) Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect. Combustion Science and Technology, 189 (7). pp. 1186-1197. http://eprints.utp.edu.my/19439/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description The microexplosion evolution phenomenon of single droplets of water in pure diesel emulsion under Leidenfrost effect has been studied. The tested emulsions were stabilized with a blend of commercial surfactants with three different water contents of 9, 12, and 15. A high speed camera synchronized with backlight technique was used to capture the evolution of microexplosion and puffing. Three different droplet diameters of approximately 2.6 mm, 2 mm, and 0.2 mm were analyzed. It was found that the tendency of microexplosion and puffing frequency was influenced by the droplet diameter. Coalescence was the dominating factor in inducing microexplosion in bigger droplets. It was observed that the child droplets ejected from the parent droplet undergoes further puffing processes. The size of the secondary droplets after microexplosion were also found to be slightly influenced by the parent droplet size. The waiting time for microexplosion and puffing were compared for different droplets size. © 2017 Taylor & Francis.
format Article
author Yahaya Khan, M.
Abdul Karim, Z.A.
Aziz, A.R.A.
Heikal, M.R.
Crua, C.
spellingShingle Yahaya Khan, M.
Abdul Karim, Z.A.
Aziz, A.R.A.
Heikal, M.R.
Crua, C.
Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect
author_sort Yahaya Khan, M.
title Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect
title_short Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect
title_full Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect
title_fullStr Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect
title_full_unstemmed Puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect
title_sort puffing and microexplosion behavior of water in pure diesel emulsion droplets during leidenfrost effect
publisher Taylor and Francis Inc.
publishDate 2017
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85020192128&doi=10.1080%2f00102202.2016.1275593&partnerID=40&md5=14f884093988b9c30bf717945edfc567
http://eprints.utp.edu.my/19439/
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score 11.62408