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In order to improve the performance of 16 V280 diesel engine, the three-dimensional numerical models of the flow field in the nozzle which belongs to the injection system was built, and different detailed flow structures was captured under different pressure conditions. Through the analysis of the flow field, the unsuitable position of the nozzle was located, and the methods which combine CAD / CAM...
In order to improve the performance of 16V240ZJB diesel engine, the method of steady flow test and CFD numerical simulation was adopted to do intake port structure optimization study. The previous design model of intake port was tested in the steady flow experiment system which provided the boundary condition for simulation calculation. The three-dimensional CAD model of intake port was built and...
In this paper, the nonlinear mechanism of ship swaying motions in irregular waves is analyzed; the frequency spectrum plot, recurrence plot, 3-dimension phase portrait are exhibited of the ship motion time series and several key parameters, namely correlation dimension, Kolmogorov entropy and the largest Lyapunov exponent are calculated. The chaotic behavior of ship swaying motions in irregular waves...
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