Open AccessModel for calculating the reaction rates of nitrogen oxide formation in a diesel cylinder
Author(s) -
Олег Петрович Лопатин
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/862/6/062025
Subject(s) - parabola , combustion , exponential function , diesel fuel , mathematics , nitrogen , thermodynamics , cylinder , statistical mechanics , chemical reaction , mechanics , volume (thermodynamics) , statistical physics , chemistry , mathematical analysis , physics , geometry , organic chemistry
For the purpose of considering the activated complex, the uncertainty relation from quantum mechanics is used. It is assumed that at the peak of the parabola, the complex corresponds to a volume with finite dimensions. In classical theories, such assumptions exist, and since the barrier has a flat shape, the accepted assumptions do not change the overall picture of the main chemical reactions of combustion. It follows that you can use a statistical average from a set of complexes, which will allow you to get the same result. Statically, the reaction rates are considered with the assumption that the initial substances and activated complexes are found in the equilibrium state. The presented model makes it possible to calculate the values of the pre-exponential multiplier of chemical reactions and, consequently, the absolute rate of formation of nitrogen oxides ( NO x ) in the diesel cylinder.