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Research Papers: Fuel Combustion

Performance and Emission Experimental Evaluation and Comparison of a Regenerative Gas Microturbine Using Biodiesel From Various Sources as Fuel

[+] Author and Article Information
Marco A. R. Nascimento

 Energy Conversion Technology Research Group—GETEC, Department of Mechanical Engineering, Federal University of Itajubá—UNIFEI, Itajubá-MG, 37500-903, Brazilmarcoantonio@unifei.edu.br

Guido A. Sierra R.

 Energy Conversion Technology Research Group—GETEC, Federal University of Itajubá—UNIFEI, Itajubá-MG, 37500-903, Brazil

Electo E. Silva Lora

Excellence Group in Thermal Power and Distributed Generation—EST, Department of Mechanical Engineering,  Federal University of Itajubá—UNIFEI, Itajubá-MG, 37500-903, Brazilelecto@unifei.edu.br

Manuel A. Rendon

Excellence Group in Thermal Power and Distributed Generation—NEST,  Federal University of Itajubá—UNIFEI, Itajubá-MG, 37500-903, Brazil

J. Energy Resour. Technol 133(2), 022204 (Jun 17, 2011) (6 pages) doi:10.1115/1.4003999 History: Received September 16, 2010; Revised March 02, 2011; Published June 17, 2011; Online June 17, 2011

This study aims at carrying out an emission/performance experimental analysis to evaluate and compare the use of pure Biodiesel obtained from different sources: castor, soybean, and palm oil, in a 30 kW regenerative Diesel one shaft gas microturbine engine installed in the laboratories of the Federal University of Itajubá—UNIFEI, Brazil, at steady state condition and at different level loads. A comparison study with the obtained results for Biodiesel and Diesel was carried out for all cases. There were no significant changes in the performance of the microturbine that reached thermal efficiency levels of about 26%. The minimum heat rate obtained at full load was for the Biodiesel fuel from palm oil and the maximum was for castor oil, with a value 8.38% higher than the Diesel fuel. In addition, a slight rise in CO and a reduction in the NOx concentrations were observed.

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Copyright © 2011 by American Society of Mechanical Engineers
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Figures

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Figure 1

Schematic representation of the test rig and the data acquisition system

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Figure 2

Kinematic viscosity for all the fuels and their blends at 40 °C

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Figure 3

High heating values for all the fuels and their blends

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Figure 4

Density for all the fuels and their blends

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Figure 5

Output corrected power for each fuel at two different load levels

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Figure 6

Specific fuel consumption for each fuel at two different load levels

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Figure 7

Heat rate for each fuel at two different load levels

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Figure 8

Carbon monoxide (CO) emissions

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Figure 9

Concentration of nitrogen oxides (NOx )

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