id author title date pages extension mime words sentence flesch summary cache txt 6m311n8252q Ming Ma Using Direct Numerical Simulation and Statistical Learning to Model Bubbly Flows in Vertical Channels 1904 .txt text/plain 306 11 45 Direct Numerical Simulations (DNS) of multiphase flows have progressed rapidly over the last decade and it is now possible to simulate motions of hundreds of deformable bubbles in turbulent flows. DNS simulation of a turbulent system with bubbles of different sizes at a friction Reynolds number of 250 shows that small bubbles quickly migrate to the wall, but the bulk flow takes much longer to adjust to the new bubble distribution. cache/6m311n8252q.txt txt/6m311n8252q.txt