Effect Of Pressure On Structure And Nox Formation In Co Air Diffusion Flames
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Author | : Howard G. Maahs |
Publisher | : |
Total Pages | : 62 |
Release | : 1979 |
Genre | : Combustion |
ISBN | : |
Download Effect of Pressure on Structure and NOx Formation in CO-Air Diffusion Flames Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 64 |
Release | : 1979 |
Genre | : |
ISBN | : |
Download Effect of Pressure on Structure and NO Sub X Formation in CO-air Diffusion Flames Book in PDF, Epub and Kindle
Author | : Howard G. Maahs |
Publisher | : |
Total Pages | : 55 |
Release | : 1979 |
Genre | : |
ISBN | : |
Download Effect of Pressure on Structure and NO(X) Formation in CO-air Diffusion Flames Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 64 |
Release | : 1979 |
Genre | : Science |
ISBN | : |
Download NASA Technical Paper Book in PDF, Epub and Kindle
Author | : United States. National Aeronautics and Space Administration |
Publisher | : |
Total Pages | : 994 |
Release | : 1980 |
Genre | : Aeronautics |
ISBN | : |
Download NASA Technical Paper Book in PDF, Epub and Kindle
Author | : Irvin M. Miller |
Publisher | : |
Total Pages | : 84 |
Release | : 1977 |
Genre | : Aircraft exhaust emissions |
ISBN | : |
Download High-pressure flame system for pollution studies with results for methane-air diffusion flames Book in PDF, Epub and Kindle
Author | : Rose L. Schalla |
Publisher | : |
Total Pages | : 20 |
Release | : 1953 |
Genre | : Aeronautics |
ISBN | : |
Download Effect of Pressure on Smoking Tendency of Diffusion Flames Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 400 |
Release | : 1948 |
Genre | : Mechanics, Applied |
ISBN | : |
Download Applied mechanics reviews Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : |
Release | : 1909 |
Genre | : |
ISBN | : |
Download The Influence of Fuel Structure on CO and NOx Formation in Lean Premixed Hydrocarbon Flames Book in PDF, Epub and Kindle
A study is made of the influence chemical structure of fuel has upon combustion performance through tracing the generation of carbon monoxide and oxides of nitrogen in lean, premixed, hydrocarbon-air flames. The study includes both analytical and experimental investi- gations. On the analytical side, a kinetic model is developed to predict both CO and NO time-histories in one-dimensional, premixed flames. The model is based upon the assumption of partial equilibrium in the post-flame zone while the fuel oxidation in the main reaction zone is allowed for by using a global oxidation rate equation. NO formation is assumed to be entirely via the Zeldovitch mechanism and to start in the post-flame zone. The utility of the model is judged through comparison between theoretical results and experimental data. On the experimental side, a simple burner system, supporting a one-dimensional premixed flame was designed and built. All fuels selected for investigation were pure hydrocarbons representing the main hydrocarbon types usually found in practical fuels; namely paraffins, olefins, naphthenes and aromatics. The hydrogen-to-carbon ratio ranged from 1 to 2.67 and the carbon number from 3 to 12. The experiments were performed at 1,2 and 3 atm pressure levels and 140°C inlet temperature, while the equivalence ratio was in the range 0.6 to 0.9. Flames were sampled for most stable species by a water- cooled stainless steel sampling probe. The experimental results show that the fuel structure signifi- cantly affects CO time-histories in the investigated flames mainly through influencing its generation rather than its burnout. CO burnout is shown to be mainly controlled by radical recombination processes, and the experimentally derived CO global oxidation rate equations are found not to be universally applicable. The results also show that the fuel structure influences prompt NOx formation within, and very near, the main reaction zone but that it does not influence post-equilibriu.
Author | : |
Publisher | : |
Total Pages | : 704 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle