How does carbon dioxide affect the combustion efficiency of fossil fuels?
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Carbon dioxide (CO2) affects the combustion efficiency of fossil fuels in several ways. In the presence of CO2, the rates and mechanisms of chemical reactions during combustion can be altered. The addition of CO2 can stabilize transition states and reduce activation barriers, leading to increased reaction rates . Additionally, variations in meteorological conditions and differences in vertical sensitivity of satellite measurements can affect the estimation of emission ratios, which are used to infer combustion efficiency . Numerical investigations have shown that the addition of CO2 to flames can decrease laminar burning velocity and increase the peaks of intermediate products, while enhancing the promoting and inhibiting effects of elementary reactions on temperature . Furthermore, CO2 can inhibit the combustion of fossil fuels through both physical and chemical effects, with the physical effect dominating . The higher specific heat, thermal radiation, and lower mass diffusion coefficient of CO2 compared to nitrogen (N2) can also contribute to ignition delays during combustion .
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| Papers (4) | Insight |
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01 Jan 2017 14 Citations | The provided paper does not directly address the combustion efficiency of fossil fuels in relation to carbon dioxide. |
4 Citations | The provided paper does not specifically address the combustion efficiency of fossil fuels. |
16 Citations | The paper discusses the effects of carbon dioxide on the rates of combustion reactions in the CH3 + O2 system. It mentions that carbon dioxide can alter the mechanisms of chemical reactions and potentially increase the efficiency of oxycombustion fossil fuel energy technology. However, it does not specifically address the overall combustion efficiency of fossil fuels. |
| The provided paper does not directly address how carbon dioxide affects the combustion efficiency of fossil fuels. |
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