Flame Tube Testing of a GEA TAPS Injector: Effects of fuel staging on combustor fuel spray patterns, flow structure, and speciation | Zendy

Yolanda R. Hicks | Zendy; Tyler Capil | Zendy; Robert K. Anderson | Zendy

Open Access

Flame Tube Testing of a GEA TAPS Injector: Effects of fuel staging on combustor fuel spray patterns, flow structure, and speciation

Author(s) -

Yolanda R. Hicks,

Tyler Capil,

Robert K. Anderson

Publication year - 2018

Publication title -

2018 joint propulsion conference

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.242

H-Index - 10

DOI - 10.2514/6.2018-4476

Subject(s) - combustor , injector , fuel injection , flow (mathematics) , materials science , nuclear engineering , tube (container) , automotive engineering , mechanics , mechanical engineering , chemistry , combustion , engineering , physics , composite material , organic chemistry

This paper presents results in which we compare fuel staging and its effect on fuel spray pattern, velocity and speciation during combustion for several inlet conditions using a GE TAPS injector configuration. Planar laser-induced fluorescence (PLIF), particle image velocimetry (PIV) and phase Doppler interferometry (PDI) were used to investigate spray patterns and velocity. The 2D PIV provides slices in the flow of axial-vertical or axial-horizontal velocity components. With 3D PDI, we obtained three components of velocity, and fuel drop sizes. Chemiluminescence imaging and spontaneous Raman scattering (SRS) were used to investigate flame structure, species location and relative species concentration. Phase Doppler and PIV data were acquired using scatter from fuel droplets; therefore, those data were obtained only at the pilot-only test points. Raman measurements were acquired only at 10/90 pilot/main split points to avoid droplets.

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