Measurements and interpretation of shock tube ignition delay times in highly CO2 diluted mixtures using multiple diagnostics

O Pryor, S Barak, B Koroglu, E Ninnemann… - Combustion and …, 2017 - Elsevier
Common definitions for ignition delay time are often hard to determine due to the issue of
bifurcation and other non-idealities that result from high levels of CO 2 addition. Using high …

High-Speed Imaging and Measurements of Ignition Delay Times in Oxy-Syngas Mixtures With High CO2 Dilution in a Shock Tube

S Barak, O Pryor, J Lopez… - … for Gas Turbines …, 2017 - asmedigitalcollection.asme.org
In this study, syngas combustion was investigated behind reflected shock waves in order to
gain insight into the behavior of ignition delay times and effects of the CO2 dilution. Pressure …

High temperature infrared absorption cross sections of methane near 3.4 µm in Ar and CO2 mixtures

B Koroglu, S Neupane, O Pryor, RE Peale… - Journal of Quantitative …, 2018 - Elsevier
The absorption cross-sections of CH 4 at two wavelengths in the mid-IR region: λ peak=
3403.4 nm and λ valley= 3403.7 nm were measured. Data were taken using three different …

Shock Tube Investigations of Novel Combustion Environments Towards a Carbon-Neutral Future

S Barak - 2019 - stars.library.ucf.edu
Supercritical carbon dioxide (sCO2) cycles are being investigated for the future of power
generation. These cycles will contribute to a carbon-neutral future to combat the effects of …

Investigation of Oxy-fuel Combustion Behind Reflected Shockwaves

O Pryor - 2018 - stars.library.ucf.edu
Supercritical carbon dioxide has brought about new questions on the chemical kinetics of
several small hydrocarbon fuels and the effects of carbon dioxide as the primary diluent on …

Ignition Studies of Oxy-Syngas/CO2 Mixtures Using Shock Tube for Cleaner Combustion Engines

S Barak - 2018 - stars.library.ucf.edu
In this study, syngas combustion was investigated behind reflected shock waves in order to
gain insight into the behavior of ignition delay times and effects of the CO2 dilution. Pressure …

A Study of Methane and Hydrogen Ignition Delay Times in CO2 at High Pressures Near 40 atm

S Barak, EM Ninnemann, S Neupane… - 2018 AIAA Aerospace …, 2018 - arc.aiaa.org
HIS paper discusses the behavior of CO2 diluted combustion mixtures at elevated
pressures. CO2 has presented itself to behave differently than expected when modelling as …

[PDF][PDF] On the Dynamics of Ignition Process behind Reflected Shock Waves under the Influence of Bifurcation

Shock tubes are typically used to measure ignition delay times-a fundamental property of
fuels that is a function of temperature, pressure, and mixture concentrations. Bifurcation is …