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Two approaches are widely used to describe particle systems: the continuum approach at macroscopic scale and the discrete approach at particle scale. Each has its own advantages and disadvantages in the modelling of particle systems. It is of paramount signiflcance to develop a theory to overcome the disadvantages of the two approaches. Averaging method to link the discrete to continuum approach is a potential technique to develop such a theory. This paper introduces an averaging method, including the theory and its application to the particleflow in a hopper and the particle-fluid flow in an ironmaking blast furnace.
Two approaches are widely used to describe particle systems. The continuum approach at macroscopic scale and the discrete approach at particle scale. Each has its own advantages and disadvantages in the modeling of particle systems. It is of paramount signiflcance to develop a theory to overcome the The paper introduces an averaging method, including the theory and its application to the particle flow in a hopper and the particle-fluid flow in an ironmaking blast furnace.