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Research Papers: Fuel Combustion

Syngas Heating Value Effects on Performance and Emissions of a Trapped Vortex Combustor

[+] Author and Article Information
Khaled Zbeeb

Mem. ASME
School of Engineering,
Western Illinois University,
3300 River Drive,
Moline, Il 61265
e-mail: k-zbeeb@wiu.edu

Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received March 17, 2015; final manuscript received March 16, 2016; published online April 19, 2016. Assoc. Editor: Ashwani K. Gupta.

J. Energy Resour. Technol 138(5), 052209 (Apr 19, 2016) (8 pages) Paper No: JERT-15-1121; doi: 10.1115/1.4033107 History: Received March 17, 2015; Revised March 16, 2016

This paper presents the effects of the fuel lower heating value (LHV) of various syngas fuels on the performance and emissions of a two-after-body trapped vortex combustor (TVC). Optimizing the fuel composition will result in a higher LHV and will in turn produce a more efficient performance. On the other hand, the fuel composition has a direct effect on the emissions of the TVC. Computational fluid dynamics (CFD) simulations were conducted for various syngas fuels to determine the effects of the fuel constituents and heat of combustion on the TVC performance, and to optimize and accurately predict the performance of a syngas fuel that can meet the emissions requirements.

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References

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Figures

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Fig. 1

TVC and fuel and air injection system

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Fig. 2

Fuel injectors for different fuels

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Fig. 3

Geometry and boundary condition for the 3D TVC model

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Fig. 4

Effects of the syngas fuel composition on the fuel LHV

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Fig. 5

Effects of the syngas fuel LHV on the maximum static temperature of the TVC

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Fig. 6

Effects of the syngas fuel LHV on the NOx emissions at the outlet of the TVC

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Fig. 7

Effects of the syngas fuel LHV on the CO emissions at the outlet of the TVC

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Fig. 8

TVC maximum static temperature versus the NOx emissions for various fuels with different LHVs

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Fig. 9

TVC maximum static temperature versus the CO emissions for various fuels with different LHVs

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Fig. 10

TVC maximum static temperature versus the CO2 emissions for various fuels with different LHVs

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