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Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen.

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Presentation on theme: "Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen."— Presentation transcript:

1 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Layout of the flame speed facility at Texas A&M University Figure Legend:

2 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Optical setup for high-speed schlieren system Figure Legend:

3 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Flame images for 1-atm (left), 5-atm (middle), and 10-atm (right) 50:50 H 2 :CO. The oxidizer for the atmospheric experiment is air, while the oxidizer for the 5 - and 10-atm experiments is 7:1 He:O 2. Figure Legend:

4 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Images from the flame detection program. (a) The contrast of the image is changed to locate the edge of the flame. (b) The original image is shown with the edge detection. Figure Legend:

5 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Determination of the ignition delay time from normalized OH* (gray) and pressure (black) profiles with a mixture of 0.5% H 2 + 0.5% CO + 1% O 2 in 98% Ar at 1375 K and 1.65 atm Figure Legend:

6 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Atmospheric hydrogen flame speed data with calculated uncertainty bars shown, per Table 1 Figure Legend:

7 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Atmospheric hydrogen-air literature comparison to the data herein and the chemical kinetics model at standard temperature Figure Legend:

8 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Atmospheric hydrogen-air at equivalence ratios less than 1.0. This plot is a close up view of the fuel-lean portion of Fig. 7, to highlight this region. Figure Legend:

9 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Hydrogen diluted with 7He:O 2 at 5 and 10 atm compared with the chemical kinetics model and data from Tse et al. [6] Figure Legend:

10 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Comparison of atmospheric hydrogen-air data herein, data from Hu et al. [13], and the chemical kinetics model at elevated temperatures Figure Legend:

11 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Laminar flame speed of hydrogen diluted with 7He:O 2 at 5 atm and elevated temperatures compared to the chemical kinetics model Figure Legend:

12 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Literature comparison of atmospheric 50:50 H 2 :CO-air laminar flame speed data with the data herein and the chemical kinetics model Figure Legend:

13 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Comparison of laminar flame speed data at 5 and 10 atm for 50:50 H 2 :CO diluted with 7He:O 2 with literature data and the chemical kinetics model Figure Legend:

14 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Ignition delay times at around 1.6 atm for various mixtures of H 2 /CO/O 2 (98% dilution in Ar, equivalence ratio = 0.5). Lines are model simulations. Figure Legend:

15 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Evolution of the ignition delay time with the inverse of the temperature at around 12 atm for various mixtures of H 2 /CO/O 2 (98% dilution in Ar, equivalence ratio = 0.5). Lines are model simulations. Figure Legend:

16 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Ignition delay times at around 30 atm for various mixtures of H 2 /CO/O 2 98% (dilution in Ar, equivalence ratio = 0.5). Lines are model simulations. Figure Legend:

17 Date of download: 9/20/2016 Copyright © ASME. All rights reserved. From: Laminar Flame Speed and Ignition Delay Time Data for the Kinetic Modeling of Hydrogen and Syngas Fuel Blends J. Eng. Gas Turbines Power. 2013;135(2):021503-021503-9. doi:10.1115/1.4007737 Effect of pressure on the ignition delay time for mixtures of H 2 /O 2 and 10/90 H 2 /CO (98% dilution in Ar, equivalence ratio = 0.5). Lines are model simulations. Figure Legend:


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