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Content archived on 2024-04-15

TURBULENT COMBUSTION AND DIAGNOSTICS - TEST OF FLAMELET ASSUMPTION IN TURBULENT COMBUSTION - DEVELOPMENT OF CARS AND LIFS AT HIGH PRESSURE.

Objective

RESEARCH COORDINATED BY HARWELL COMBUSTION CENTER IN THE FRAME OF THE CONTRACT EN3E008800
1. A) TEST OF "FLAMELET ASSUMPTION"
B) DEVELOPMENT OF CARS AND LIFS FOR HIGH PRESSURE COMBUSTION

2. A) TO OBTAIN LARGE EXPERIMENTAL DATA ALLOWING THE COMPARISON OF CHARACTERISTICS OBTAINED BY EXPERIENCES AND MODELLING ON A STANDARD DIFFUSION TURBULENT FLAME
B) THE UNCERTAINTIES ABOUT THE COLLISIONAL DE-EXCITATION (QUENCHING) OF THE LEVEL POPULATED BY THE LASER LIMIT THE ACCURACY OF MEASUREMENTS BY LASER INDUCED FLUORESCENCE (LIF). RESEARCH OF A NEW METHOD APPLICABLE AT HIGH PRESSURE > 1 ATM. COMPARISON BETWEEN EXPERIMENTAL DATA AND MODEL OF QUENCHING.

1. THREE STEPS :
1) DEFINITION OF A STANDARD FLAME
2) FLOW CHARACTERISTIC IN THE UNBURNT, BURNING AND BURNED ZONES BY LDA
3) FRONT FLAME CONFIGURATION BY LIF (OH), TEMPERATURE FIELD BY RAYLEIGH IN 1D AND FURTHER IN 2D.

2. THREE STEPS ARE FORESEEN :
1) ON A 1D LOW PRESSURE FLAME (20 TORRS) USING OH RADICAL MEASURE OF QUENCHING BY ANALYSIS OF FLUORESCENCE SIGNAL AND ABSORPTION SPECTROSCOPY.
2) APPLICATION OF HIGH PRESSURE UP TO 1 ATM
3) EXTENSION TO OTHER SPECIES AND HIGHT PRESSURE (HEIDELBERG BURNER).

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Coordinator

Université de Rouen - Haute Normandie
EU contribution
No data
Address
1 rue Thomas Becket
76130 Mont-Saint-Aignan
France

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Participants (1)

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