TANGO Progress Report – Task 3

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Presentation transcript:

TANGO Progress Report – Task 3 TANGO Progress Report – Task 3.5 6th Project Meeting and Workshop 14-18 September 2015, Genoa, Italy Naseh Hosseini TANGO Progress Report - Task 3.5 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Reminder – Experimental Setup TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy TANGO Progress Report - Task 3.5 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Reminder – Simulations TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy TANGO Progress Report - Task 3.5 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Validations – Comparison with Our Experiments Validated with literature But not in accordance with our own measurements Gain Phase TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Validations – Comparison with Our Experiments The 3D effects 1: temperature iso-contour 2-4: reaction rate 1 2 3 4 TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Validations – Comparison with Our Experiments The 3D effects One 2D Cartesian plus one 2D axisymmetric simulation Gain TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Validations – Comparison with Our Experiments The 3D effects One 2D Cartesian plus one 2D axisymmetric simulation Phase TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Validations – Comparison with Our Experiments Slit sizes of 2.2*6-10-15-20mm TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Simulations – Flame Impingement Reaction Rate Temperature TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Simulations – Flame Transfer Function Gain Phase/π TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Simulations – Flame Transfer Function TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Simulations – Heat Exchanger Transfer Function Gain Phase/π TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Simulations – Heat Exchanger Transfer Function TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Simulations – Muu of Total Transfer Matrix Gain Phase/π TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Conclusions The hex has considerable effect in the thermoacoustic response of the system, when close to the flames The transition from envelope impingement regime to cool central core significantly changes the system behavior The burner-hex distance is very critical and can lead to measurement uncertainties TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

Acoustic measurements of real scale heat exchangers Far Future Work Measurements of the fluctuations of the heat flux through the heat exchanger (sensitive heat flux sensors) More detailed CFD modelling (DNS) of intrinsic flame instabilities in real scale burners Acoustic measurements of real scale heat exchangers TANGO Progress Report - Task 3.5, 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy

TANGO Progress Report – Task 3 TANGO Progress Report – Task 3.5 6th Project Meeting and Workshop 14-18 September 2015, Genoa, Italy Naseh Hosseini TANGO Progress Report - Task 3.5 6th Project Meeting and Workshop, 14-18 September 2015, Genoa, Italy