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Accurate measurement of the particle size distribution of pneumatically conveyed pulverized fuel is critical to achieving optimal combustion efficiency and minimum pollutant emissions at coal and biomass-fired power plants. This paper presents a prototype instrumentation system for the on-line continuous measurement of particle size distribution through acoustic emission (AE) detection. The proposed...
In modern clinical practices, accurate orientation for needle-like tools inserting into soft tissues is cumbersome, mainly due to the tissue's non-linear deformation and the complicated combination of forces between the tissue and the tool. In this paper, the interaction between tissue deformation and friction forces has been discussed. We consider the relative velocity and contact length as the main...
This paper presents a novel constraint method for dynamic modeling and simulation of needle insertion based on FE framework. Modeling of the interactive events during a needle insertion procedure such as contact, puncture and friction using the finite element method is cumbersome due to the need to continually update the mesh to match the geometry of the discontinuity. Here, we describe a Local Constraint...
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