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Citation: Li Ru-Sheng. Local Equilibrium Assumption and Reaction-diffusion Processes[J]. Acta Physico-Chimica Sinica, ;1994, 10(01): 38-43. doi: 10.3866/PKU.WHXB19940110 shu

Local Equilibrium Assumption and Reaction-diffusion Processes

Li Ru-Sheng

1.
Department of Chemistry, Tsinghua University, Beijing 100084

Received Date: 14 May 1992
Available Online: 15 January 1994

As the starting point of the thermodynamic theories of irreversible processes, local equihbrium assumption is usually believed to be applicable to most physicochemical processes under usual conditions. Based on the Boltzmann equation and the stochastic theory of fluctuations, such apphcabihty of local equilibrium assumption to reaction-diffusion processes is studied. It is found that for reaction-diffusion processes involving nonlinear chemical kinetics the results obtained from the stochastic theory are inconsistent to the local equilibrium assumption.
- Local equilibrium assumption,
- Reaction-diffusion processes,
- Boltzmann equation,
- Fluctuations,
- Stochastic theory
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