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Experimental determination of the flame expansion factor
J Lakatos1, L Bezur, I Lakatos
1Research Laboratory for Mining Chemistry, Hungarian Academy Science Miskolc-Egyetemváros, Hungary.
Analytical and Bioanalytical Chemistry
|June 1, 1996
Summary
A new method using mercury vapor introduction accurately measures flame expansion factor, the ratio of gas volumes before and after burning. This technique aligns well with predictions from the gas law for combustion processes.
Area of Science:
- Analytical Chemistry
- Physical Chemistry
- Combustion Science
Background:
- Determining the flame expansion factor is crucial for understanding combustion processes and gas dynamics.
- Existing methods for measuring flame expansion may have limitations in accuracy or applicability.
Purpose of the Study:
- To introduce and validate a novel method for determining the flame expansion factor using mercury vapor.
- To assess the reliability of the mercury vapor method by comparing its results with established gas law calculations.
Main Methods:
- Utilized mercury vapor introduction to measure the flame expansion factor.
- Determined the atomic concentration ratio in both flame and flameless gas jet conditions.
- Ensured consistent sample introduction rates for accurate atomic concentration measurements.
Main Results:
- Successfully determined the flame expansion factor using the mercury vapor introduction technique.
- Observed a strong agreement between the experimentally determined expansion factors and those predicted by the gas law.
- Validated the proposed method's efficacy in quantifying flame expansion.
Conclusions:
- The mercury vapor introduction method provides a reliable and accurate means to determine the flame expansion factor.
- This method offers a practical alternative for combustion analysis, correlating well with theoretical gas law predictions.