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The influence of orifice insertion in radial swirling flow for low emissions combustion

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Main Authors: Mohmad Shaiful Ashrul, Ishak, Mohammad Nazri, Mohd. Jaafar
Other Authors: mshaiful@unimap.edu.my
Format: Article
Language:English
Published: Universiti Teknologi Malaysia (UTM) 2011
Subjects:
Radial swirler
Orifice plate
NOX reduction
CO emissions
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13386
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spelling my.unimap-133862011-08-05T02:59:50Z The influence of orifice insertion in radial swirling flow for low emissions combustion Mohmad Shaiful Ashrul, Ishak Mohammad Nazri, Mohd. Jaafar mshaiful@unimap.edu.my Radial swirler Orifice plate NOX reduction CO emissions Link to publisher's homepage at http://www.utm.my/ This paper presents the effect of inserting swirler outlet orifice plate of different sizes at the exit plane of the flat blade radial air swirler in liquid fuel burner system. Tests were carried out with three different orifice plates with area ratios (orifice area to swirler exit area ratio) between 1.0 to 0.7 using 280 mm inside diameter combustor of 1000 mm length. Tests were conducted using commercial diesel as fuel. Fuel was injected at the back plate of the 60o vane angle swirler outlet using central fuel injector with single fuel nozzle pointing axially outwards. The aim of the insertion of orifice plates was to create the swirler pressure loss at the swirler outlet phase so that the swirler outlet shear layer turbulence was maximised to assist with fuel/air mixing. In the present work, orifice plate with smaller area ratios exhibited very low NOX emissions for the whole operating equivalence ratios. NOX reduction of more than 15 percent was achieved for orifice with 0.7 area ratio compared to area ratio of 1.0. Other emissions such as carbon monoxide increased with decreasing in orifice area ratios. This implies that good combustion was achieved using smallest area ratios of orifice plate. 2011-08-05T02:59:50Z 2011-08-05T02:59:50Z 2008-12 Article Jurnal Mekanikal, (26), 2008, pages 96-106 0127-3396 http://eprints.utm.my/8531/1/MSAIshak2008-The_Influence_Of_Orifice_Insertion.pdf http://hdl.handle.net/123456789/13386 en Universiti Teknologi Malaysia (UTM)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Radial swirler
Orifice plate
NOX reduction
CO emissions
spellingShingle Radial swirler
Orifice plate
NOX reduction
CO emissions
Mohmad Shaiful Ashrul, Ishak
Mohammad Nazri, Mohd. Jaafar
The influence of orifice insertion in radial swirling flow for low emissions combustion
description Link to publisher's homepage at http://www.utm.my/
author2 mshaiful@unimap.edu.my
author_facet mshaiful@unimap.edu.my
Mohmad Shaiful Ashrul, Ishak
Mohammad Nazri, Mohd. Jaafar
format Article
author Mohmad Shaiful Ashrul, Ishak
Mohammad Nazri, Mohd. Jaafar
author_sort Mohmad Shaiful Ashrul, Ishak
title The influence of orifice insertion in radial swirling flow for low emissions combustion
title_short The influence of orifice insertion in radial swirling flow for low emissions combustion
title_full The influence of orifice insertion in radial swirling flow for low emissions combustion
title_fullStr The influence of orifice insertion in radial swirling flow for low emissions combustion
title_full_unstemmed The influence of orifice insertion in radial swirling flow for low emissions combustion
title_sort influence of orifice insertion in radial swirling flow for low emissions combustion
publisher Universiti Teknologi Malaysia (UTM)
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13386
_version_ 1643790823861518336
score 13.18916

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