Computations and Measurements of the Effects of Trailing-Edge Geometry on the Wake of Bluff Bodies

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Caylan, Utku




This study has aimed to shed further light on the wake dynamics of a bluff body with a streamlined fore body and a rectangular blunt base through experiments and numerical analysis. Specifically, the study was designed to establish the role of instability modes and small-scale turbulence in shaping the wake dynamics, and the effect of boat tails including lobed geometries on the wake structure. In the absence of small-scale turbulence, the near wake of the body is dominated by the effects of two instability modes that promote larger-scale transient motions. Small-scale turbulence is found to have a significant suppressing effect on these motions. Presence of a straight tail or a lobed tail is observed to alter the relative roles of the instability modes affecting the wake and the resultant streamwise mixing rates.


Applied Mechanics




Carleton University


Thesis Supervisor: 
Metin Yaras

Thesis Degree Name: 

Master of Applied Science: 

Thesis Degree Level: 


Thesis Degree Discipline: 

Engineering, Aerospace

Parent Collection: 

Theses and Dissertations

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