Calculations of evaporation characteristics (distillation curve, two-phase diagram, and critical points) of surrogates are described in detail. The efficiency of some surrogate blends, represented in literature, in reflecting the evaporation characteristics was analyzed. Based on the analysis, the chemical capabilities of surrogate models are not linked to their abilities to reflect the phase-equilibrium properties of real fuel. It is shown that model design of practical fuels must include the phase-equilibrium and distillation curve calculations. A surrogate mixture was selected, which closely matches the boiling-point curve and two-phase diagram for jet-A. Next, physical properties of reference fuel were taken into consideration: combustion enthalpy, formation enthalpy, molar weight, approximate formula (carbon per hydrogen ratio), sooting tendency index, critical point, two-phase diagram, and distillation curve.
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November 2010
Research Papers
On Model Design of a Surrogate Fuel Formulation
Nadezhda A. Slavinskaya,
Nadezhda A. Slavinskaya
German Aerospace Center (DLR),
Institute of Combustion Technology
, Pfaffenwaldring 38-40, 70569 Stuttgart, Germany
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Anton Zizin,
Anton Zizin
German Aerospace Center (DLR),
Institute of Combustion Technology
, Pfaffenwaldring 38-40, 70569 Stuttgart, Germany
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Manfred Aigner
Manfred Aigner
German Aerospace Center (DLR),
Institute of Combustion Technology
, Pfaffenwaldring 38-40, 70569 Stuttgart, Germany
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Nadezhda A. Slavinskaya
German Aerospace Center (DLR),
Institute of Combustion Technology
, Pfaffenwaldring 38-40, 70569 Stuttgart, Germany
Anton Zizin
German Aerospace Center (DLR),
Institute of Combustion Technology
, Pfaffenwaldring 38-40, 70569 Stuttgart, Germany
Manfred Aigner
German Aerospace Center (DLR),
Institute of Combustion Technology
, Pfaffenwaldring 38-40, 70569 Stuttgart, GermanyJ. Eng. Gas Turbines Power. Nov 2010, 132(11): 111501 (11 pages)
Published Online: August 5, 2010
Article history
Received:
April 22, 2009
Revised:
June 3, 2009
Online:
August 5, 2010
Published:
August 5, 2010
Citation
Slavinskaya, N. A., Zizin, A., and Aigner, M. (August 5, 2010). "On Model Design of a Surrogate Fuel Formulation." ASME. J. Eng. Gas Turbines Power. November 2010; 132(11): 111501. https://doi.org/10.1115/1.4000593
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