A new model for the two-fluid laminar classical wake

Abstract eng:
Existing models for two-fluid laminar wakes fail to incorporate the effect of the boundary layer that is formed between parallel streams with different velocities in their analysis. In this work, the impact of the boundary layer formed by two parallel streams flowing at different velocities past a fixed obstruction is considered. The presence of the body perturbs the boundary layer flow. A model detailing this scenario is developed and the results are compared with existing models. In particular, the limit in which a lighter fluid flows on top of another stationary fluid with a much higher density so that the no-slip condition is approximately satisfied, is studied. This important case is related to wall-wake flows which have been thoroughly researched thus providing a reasonably sound platform for comparative observation.

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