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The effect of stanchion and reverse flow on turbine power performance is studied based on Computational Fluid Dynamics (CFD). The turbine in this paper is developed by National Ocean Technology Center (NOTC), the experiment study has been carried out in year 2014. The simulation model is validated based on experimental results. The CFD model can simulate the marine current conditions up to an acceptable...
Nearshore wave model was established based on the enhanced Boussinesq equations, which were dispersed into orthogonal grids on spatial distribution and solved using alternating direction implicit (ADI) algorithm. There are three kind of boundary conditions which are absorbing boundary, reflecting boundary and wave-generating boundary in the model, while the wave on open boundary was driven by the...
Numerical study of the slurry gasification process inside of Texaco entrained-flow coal gasifier was carried out in this paper. The Eulerian-Lagrangian approach was used for calculating the gas-solid two-phase flow. And the complicated slurry gasification process was divided into several stages, such as slurry-water evaporation, coal devolatilization, heterogeneous reactions and homogeneous reactions,...
To study the ash deposition behavior in slagging mode gasifier, a comprehensive three-dimensional model proposed in the previous paper was applied to a two-stage dry feed entrained flow gasifier. The Eulerian-Lagrangian approach was used in the model for calculating the gas-solid two-phase flow. And the PDF combustion model was used to simulate the complicated gasification reactions in the gasifier...
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