Effect of Carbon Dioxide on the Laminar Burning Speed of Propane-Air Mixtures

Sai C. Yelishala, Ziyu Wang, Hameed Metghalchi, Yiannis A. Levendis, Kumaran Kannaiyan, Reza Sadr

Research output: Contribution to journalArticle

Abstract

This experimental research examined the effect of CO2 as a diluent on the laminar burning speed of propane-air mixtures. Combustion took place at various CO2 concentrations (0-80%), different equivalence ratios (0.7< •<1.2) and over a range of temperatures (298-420 K) and pressures (0.5-6.2 atm). The experiments were performed in a cylindrical constant volume chamber with a Z-shaped Schlieren system, coupled with a high-speed CMOS camera to capture the propagation of the flames at speeds up to 4000 frames per second. The flame stability of these mixtures at different pressures, equivalence ratios, and CO2 concentrations was also studied. Only laminar, spherical, and smooth flames were considered in measuring laminar burning speed. Pressure rise data as a function of time during the flame propagation were the primary input of the multishell thermodynamic model for measuring the laminar burning speed of propane-CO2-air mixtures. The laminar burning speed of such blends was observed to decrease with the addition of CO2 and to increase with the gas temperature. It was also noted that the laminar burning speed decreases with increasing pressure. The collected experimental data were compared with simulation data obtained via a steady one-dimensional (1D) laminar premixed flame code from Cantera, using a detailed H2/CO/C1-C4 kinetics model encompassing 111 species and 784 reactions.

Original languageEnglish
Article number082205
JournalJournal of Energy Resources Technology, Transactions of the ASME
Volume141
Issue number8
DOIs
Publication statusPublished - 1 Aug 2019

Fingerprint

Propane
propane
Carbon Dioxide
Carbon dioxide
carbon dioxide
air
Air
Schlieren systems
Carbon Monoxide
effect
speed
combustion
thermodynamics
Gases
temperature
Cameras
Thermodynamics
kinetics
Temperature
Kinetics

Keywords

  • alternative fuels
  • alternative refrigerants
  • carbon dioxide
  • flame stability
  • laminar burning speed
  • propane-air-CO2 mixtures

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Mechanical Engineering
  • Geochemistry and Petrology

Cite this

Effect of Carbon Dioxide on the Laminar Burning Speed of Propane-Air Mixtures. / Yelishala, Sai C.; Wang, Ziyu; Metghalchi, Hameed; Levendis, Yiannis A.; Kannaiyan, Kumaran; Sadr, Reza.

In: Journal of Energy Resources Technology, Transactions of the ASME, Vol. 141, No. 8, 082205, 01.08.2019.

Research output: Contribution to journalArticle

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