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Combustion Instability during Starting of Turbocharged Diesel Engine Including Biofuel Effects.

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Title: Combustion Instability during Starting of Turbocharged Diesel Engine Including Biofuel Effects.
Authors: Giakoumis, Evangelos G.1 vgiakms@central.ntua.gr, Dimaratos, Athanasios M.2 dimarathan@gmail.com, Rakopoulos, Constantine D.3 cdrakops@central.ntua.gr, Rakopoulos, Dimitrios C.4 dimracop@central.ntua.gr
Source: Journal of Energy Engineering. Apr2017, Vol. 143 Issue 2, p1-15. 15p.
Subjects: Combustion, Biomass energy, Coolants, Turbochargers, Biodiesel fuels
Abstract: A series of starting tests was conducted on a turbocharged diesel engine to investigate combustion instability for various coolant temperatures, ranging from 20 to 80°C, and fuel blends (neat diesel, blend of diesel with 30% biodiesel, and blend of diesel with 25% n-butanol). A statistical analysis was performed in order to quantify the effects of the coolant temperature and fuel properties on the extent of the instability phenomena. As expected, the engine thermal status was found to play an influencing role, with cold starting leading to combustion instability; a difference up to 38 bar between successive cycles was documented. The biodiesel blend exhibited higher instability and the n-butanol one showed higher absolute pressures but somewhat more stable operation. Both biofuel blends led to higher in-cylinder pressure irregularities compared to the neat diesel operation. For all examined blends, instability phenomena were still apparent even after several seconds from the engine start-up. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Energy Engineering is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 121941420
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Combustion Instability during Starting of Turbocharged Diesel Engine Including Biofuel Effects.
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  Data: <searchLink fieldCode="AR" term="%22Giakoumis%2C+Evangelos+G%2E%22">Giakoumis, Evangelos G.</searchLink><relatesTo>1</relatesTo><i> vgiakms@central.ntua.gr</i><br /><searchLink fieldCode="AR" term="%22Dimaratos%2C+Athanasios+M%2E%22">Dimaratos, Athanasios M.</searchLink><relatesTo>2</relatesTo><i> dimarathan@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Rakopoulos%2C+Constantine+D%2E%22">Rakopoulos, Constantine D.</searchLink><relatesTo>3</relatesTo><i> cdrakops@central.ntua.gr</i><br /><searchLink fieldCode="AR" term="%22Rakopoulos%2C+Dimitrios+C%2E%22">Rakopoulos, Dimitrios C.</searchLink><relatesTo>4</relatesTo><i> dimracop@central.ntua.gr</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Energy+Engineering%22">Journal of Energy Engineering</searchLink>. Apr2017, Vol. 143 Issue 2, p1-15. 15p.
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  Data: <searchLink fieldCode="DE" term="%22Combustion%22">Combustion</searchLink><br /><searchLink fieldCode="DE" term="%22Biomass+energy%22">Biomass energy</searchLink><br /><searchLink fieldCode="DE" term="%22Coolants%22">Coolants</searchLink><br /><searchLink fieldCode="DE" term="%22Turbochargers%22">Turbochargers</searchLink><br /><searchLink fieldCode="DE" term="%22Biodiesel+fuels%22">Biodiesel fuels</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A series of starting tests was conducted on a turbocharged diesel engine to investigate combustion instability for various coolant temperatures, ranging from 20 to 80°C, and fuel blends (neat diesel, blend of diesel with 30% biodiesel, and blend of diesel with 25% n-butanol). A statistical analysis was performed in order to quantify the effects of the coolant temperature and fuel properties on the extent of the instability phenomena. As expected, the engine thermal status was found to play an influencing role, with cold starting leading to combustion instability; a difference up to 38 bar between successive cycles was documented. The biodiesel blend exhibited higher instability and the n-butanol one showed higher absolute pressures but somewhat more stable operation. Both biofuel blends led to higher in-cylinder pressure irregularities compared to the neat diesel operation. For all examined blends, instability phenomena were still apparent even after several seconds from the engine start-up. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Energy Engineering is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=121941420
RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1061/(ASCE)EY.1943-7897.0000402
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 15
        StartPage: 1
    Subjects:
      – SubjectFull: Combustion
        Type: general
      – SubjectFull: Biomass energy
        Type: general
      – SubjectFull: Coolants
        Type: general
      – SubjectFull: Turbochargers
        Type: general
      – SubjectFull: Biodiesel fuels
        Type: general
    Titles:
      – TitleFull: Combustion Instability during Starting of Turbocharged Diesel Engine Including Biofuel Effects.
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            NameFull: Giakoumis, Evangelos G.
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            NameFull: Dimaratos, Athanasios M.
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            NameFull: Rakopoulos, Constantine D.
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            NameFull: Rakopoulos, Dimitrios C.
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            – D: 01
              M: 04
              Text: Apr2017
              Type: published
              Y: 2017
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              Value: 143
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