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- W2116792084 abstract "Abstract : The parabolic, incompressible, time-averaged Navier-Stokes equations together with a two-equation (K,epsilon) model of turbulence are used to numerically simulate the wake downstream of a slender double-body. The equations are solved using the finite-element method and the results are compared to experimental data for both unpropelled and self-propelled configurations. With the exception of certain localized phenomena, the calculations and experiments are found to be in good agreement for the mean velocity components. the turbulence kinetic energy, and the Reynolds shear stresses. The noteworthy exception for the unpropelled configuration is the prediction of a rather strong region of production of turbulence in the near wake which is not evident in the data. The simulation of the self-propelled wake is in good agreement with the data for the mean velocity components. There is also acceptable agreement for the turbulence parameters over most of the wake cross-section except near the radius of the propeller tips. Severe qualitative and quantitative discrepancies in this region are possibly due to the presence of periodic components in the data. Keywords: Finite-element analysis." @default.
- W2116792084 created "2016-06-24" @default.
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- W2116792084 date "1987-10-06" @default.
- W2116792084 modified "2023-09-23" @default.
- W2116792084 title "Calculations of the Turbulent Wake Behind a Slender Self-Propelled Double-Body and Comparisons with Experiment" @default.
- W2116792084 hasPublicationYear "1987" @default.
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