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Impact of hydrogen enrichment on the emission, combustion, and performance of dual-fuel engine fuelled with Karanja biodiesel.

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Title: Impact of hydrogen enrichment on the emission, combustion, and performance of dual-fuel engine fuelled with Karanja biodiesel.
Authors: Katre, Sakhi1 (AUTHOR), Baredar, Prashant1 (AUTHOR), Dwivedi, Gaurav1 (AUTHOR) gdiitr2005@gmail.com, Shukla, Anoop Kumar2 (AUTHOR)
Source: International Journal of Hydrogen Energy. Aug2025, Vol. 161, pN.PAG-N.PAG. 1p.
Subjects: Biodiesel fuels, Alternative fuels, Combustion efficiency, Sustainable transportation, Dual-fuel engines, Greenhouse gas mitigation, Fuel switching, Automotive engineering
Abstract: The present research was carried out to ascertain how a biodiesel blend fuel was affected by hydrogen enrichment levels of 5 %, 10 %, 15 %, and 20 % of the nozzle capacity. Karanja biodiesel reduces unburned carbon monoxide and hydrocarbon emissions by 2.83 % and 3.61 %, respectively in comparison to diesel while increasing the emissions of nitrogen oxide (NO x) by 4.73 %. On the brake thermal efficiency and specific fuel consumption, diesel showed better performance than biodiesel. On addition of 20 % hydrogen, the thermal efficiency rises. The use of hydrogen gas in biodiesel blend also improves combustion properties thus increasing the cylinder pressure, temperature and heat release rate. The analysis of the results shows that carbon monoxide emissions were reduced by 16.25 % for K 20 H 20. Similarly, hydrocarbon emissions were also seen to have reduced. In contrast, nitrogen oxide emissions raised by 23.23 % for K 20 H 20. The use of Karanja biodiesel along with hydrogen enrichment for the diesel engine showed significant reduction in the pollutant with enhanced efficiency. This research enhances our understanding of the nexus between renewable fuels and hydrogen enrichment and engine technology with promising prospects for progress in sustainable mobility and environment. • Pure diesel (D100), Karanja biodiesel blend (K20), and hydrogenated blends (H 5 , H 10 , H 15 , and H 20) were investigated. • Performance, Combustion and Emission characteristics evaluated for different blends. • K 20 H 20 blend showed 16.25 % and 23.23 % reduction in carbon monoxide and nitrogen oxide emissions. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science 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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DbLabel: Engineering Source
An: 187264983
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PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Impact of hydrogen enrichment on the emission, combustion, and performance of dual-fuel engine fuelled with Karanja biodiesel.
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  Data: <searchLink fieldCode="AR" term="%22Katre%2C+Sakhi%22">Katre, Sakhi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baredar%2C+Prashant%22">Baredar, Prashant</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dwivedi%2C+Gaurav%22">Dwivedi, Gaurav</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> gdiitr2005@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Shukla%2C+Anoop+Kumar%22">Shukla, Anoop Kumar</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Hydrogen+Energy%22">International Journal of Hydrogen Energy</searchLink>. Aug2025, Vol. 161, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Biodiesel+fuels%22">Biodiesel fuels</searchLink><br /><searchLink fieldCode="DE" term="%22Alternative+fuels%22">Alternative fuels</searchLink><br /><searchLink fieldCode="DE" term="%22Combustion+efficiency%22">Combustion efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Sustainable+transportation%22">Sustainable transportation</searchLink><br /><searchLink fieldCode="DE" term="%22Dual-fuel+engines%22">Dual-fuel engines</searchLink><br /><searchLink fieldCode="DE" term="%22Greenhouse+gas+mitigation%22">Greenhouse gas mitigation</searchLink><br /><searchLink fieldCode="DE" term="%22Fuel+switching%22">Fuel switching</searchLink><br /><searchLink fieldCode="DE" term="%22Automotive+engineering%22">Automotive engineering</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The present research was carried out to ascertain how a biodiesel blend fuel was affected by hydrogen enrichment levels of 5 %, 10 %, 15 %, and 20 % of the nozzle capacity. Karanja biodiesel reduces unburned carbon monoxide and hydrocarbon emissions by 2.83 % and 3.61 %, respectively in comparison to diesel while increasing the emissions of nitrogen oxide (NO x) by 4.73 %. On the brake thermal efficiency and specific fuel consumption, diesel showed better performance than biodiesel. On addition of 20 % hydrogen, the thermal efficiency rises. The use of hydrogen gas in biodiesel blend also improves combustion properties thus increasing the cylinder pressure, temperature and heat release rate. The analysis of the results shows that carbon monoxide emissions were reduced by 16.25 % for K 20 H 20. Similarly, hydrocarbon emissions were also seen to have reduced. In contrast, nitrogen oxide emissions raised by 23.23 % for K 20 H 20. The use of Karanja biodiesel along with hydrogen enrichment for the diesel engine showed significant reduction in the pollutant with enhanced efficiency. This research enhances our understanding of the nexus between renewable fuels and hydrogen enrichment and engine technology with promising prospects for progress in sustainable mobility and environment. • Pure diesel (D100), Karanja biodiesel blend (K20), and hydrogenated blends (H 5 , H 10 , H 15 , and H 20) were investigated. • Performance, Combustion and Emission characteristics evaluated for different blends. • K 20 H 20 blend showed 16.25 % and 23.23 % reduction in carbon monoxide and nitrogen oxide emissions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Hydrogen Energy is the property of Pergamon Press - An Imprint of Elsevier Science 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.)
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      – Type: doi
        Value: 10.1016/j.ijhydene.2025.150647
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Biodiesel fuels
        Type: general
      – SubjectFull: Alternative fuels
        Type: general
      – SubjectFull: Combustion efficiency
        Type: general
      – SubjectFull: Sustainable transportation
        Type: general
      – SubjectFull: Dual-fuel engines
        Type: general
      – SubjectFull: Greenhouse gas mitigation
        Type: general
      – SubjectFull: Fuel switching
        Type: general
      – SubjectFull: Automotive engineering
        Type: general
    Titles:
      – TitleFull: Impact of hydrogen enrichment on the emission, combustion, and performance of dual-fuel engine fuelled with Karanja biodiesel.
        Type: main
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            NameFull: Katre, Sakhi
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            NameFull: Baredar, Prashant
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            NameFull: Dwivedi, Gaurav
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            NameFull: Shukla, Anoop Kumar
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            – D: 22
              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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