Combustion characteristics of improved biodiesel in diffusion burner

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Biodiesel is considered as an alternative fuel for gas turbine application; however, the properties of biodiesel need further improvement in order to meet the combustion dynamics of a typical gas turbine. Therefore, this work has addressed an alternative and inexpensive method of performing combustion studies of such improved biodiesel. A diffusion burner which has similar combustion dynamics to a gas turbine combustor has been used to evaluate the combustion characteristics of improved biodiesel or Second Generation Biodiesel (SGB). The combustion characteristics of the improved biodiesel have been evaluated in terms of fuel burning rate, flame length and emissions. Subsequently, the results were compared with unimproved biodiesel or First Generation Biodiesel (FGB) and distillate diesel (DD). The results indicated improvement in physical properties; SGB and its blends possess better combustion characteristics in terms of flame length, mass of fuel flow rate and emissions compared to FGB and DD. Improvements in physical properties such as viscosity and density cause SGB fuel to possess better capillary flow than FGB. Additionally, lower carbon monoxide (CO) emissions indicate that SGB has more complete combustion than FGB. On other hand, SGB with higher saturation compounds has produced higher thermal energy with lower nitrogen oxides (NOx) compared to FGB. Thus, SGB can be considered as an alternative fuel for use in gas turbines and a 50% blend of SGB with DD has shown promising results compared to other blend ratios.

Original languageEnglish
Pages (from-to)2112-2121
Number of pages10
JournalInternational Journal of Automotive and Mechanical Engineering
Volume10
Issue number1
DOIs
Publication statusPublished - 01 Jan 2014

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Biodiesel
Fuel burners
Gas turbines
Alternative fuels
Physical properties
Capillary flow
Nitrogen oxides
Thermal energy
Combustors
Carbon monoxide

All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Mechanical Engineering

Cite this

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abstract = "Biodiesel is considered as an alternative fuel for gas turbine application; however, the properties of biodiesel need further improvement in order to meet the combustion dynamics of a typical gas turbine. Therefore, this work has addressed an alternative and inexpensive method of performing combustion studies of such improved biodiesel. A diffusion burner which has similar combustion dynamics to a gas turbine combustor has been used to evaluate the combustion characteristics of improved biodiesel or Second Generation Biodiesel (SGB). The combustion characteristics of the improved biodiesel have been evaluated in terms of fuel burning rate, flame length and emissions. Subsequently, the results were compared with unimproved biodiesel or First Generation Biodiesel (FGB) and distillate diesel (DD). The results indicated improvement in physical properties; SGB and its blends possess better combustion characteristics in terms of flame length, mass of fuel flow rate and emissions compared to FGB and DD. Improvements in physical properties such as viscosity and density cause SGB fuel to possess better capillary flow than FGB. Additionally, lower carbon monoxide (CO) emissions indicate that SGB has more complete combustion than FGB. On other hand, SGB with higher saturation compounds has produced higher thermal energy with lower nitrogen oxides (NOx) compared to FGB. Thus, SGB can be considered as an alternative fuel for use in gas turbines and a 50{\%} blend of SGB with DD has shown promising results compared to other blend ratios.",
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Combustion characteristics of improved biodiesel in diffusion burner. / Palanisamy, Kumaran; Gopinathan, Gopinathan; Kantharrajan, S.

In: International Journal of Automotive and Mechanical Engineering, Vol. 10, No. 1, 01.01.2014, p. 2112-2121.

Research output: Contribution to journalArticle

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