scholarly journals A numerical and experimental study of the effects of dynamic roughness on laminar leading edge separation

2010 ◽  
Author(s):  
Peter D. Gall
Keyword(s):  
Experimental Study ◽  
Leading Edge ◽  
Dynamic Roughness ◽  
Edge Separation

Dynamic Roughness as a Means of Leading-Edge Separation Flow Control

2012 ◽  
Vol 49 (1) ◽  
pp. 108-115 ◽  
Author(s):  
W. W. Huebsch ◽  
P. D. Gall ◽  
S. D. Hamburg ◽  
A. P. Rothmayer
Keyword(s):  
Flow Control ◽  
Leading Edge ◽  
Separation Flow ◽  
Dynamic Roughness ◽  
Edge Separation

Experimental study of heat transfer in the boundary layer of a flat plate with the impact of weak shock waves on the leading edge

2020 ◽  
Author(s):  
V. L. Kocharin ◽  
A. A. Yatskikh ◽  
D. S. Prishchepova ◽  
A. V. Panina ◽  
Yu. G. Yermolaev ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Boundary Layer ◽  
Experimental Study ◽  
Shock Waves ◽  
Flat Plate ◽  
Leading Edge ◽  
Weak Shock ◽  
The Impact

Rotational temperature imaging of a leading-edge separation in hypervelocity flow

2019 ◽  
Author(s):  
Laurent M. Le Page ◽  
Matthew Barrett ◽  
Sean O’Byrne ◽  
Sudhir L. Gai
Keyword(s):  
Rotational Temperature ◽  
Leading Edge ◽  
Temperature Imaging ◽  
Edge Separation

Three-Dimensional and Rotational Aerodynamics on the NREL Phase VI Wind Turbine Blade

2008 ◽  
Vol 130 (3) ◽  
Author(s):  
Alvaro Gonzalez ◽  
Xabier Munduate
Keyword(s):  
Wind Turbine ◽  
Turbine Blade ◽  
Three Dimensional ◽  
Separated Flow ◽  
Leading Edge ◽  
Wind Turbine Blade ◽  
Trailing Edge ◽  
Rotating Blade ◽  
Nrel Phase Vi ◽  
Edge Separation

This work undertakes an aerodynamic analysis over the parked and the rotating NREL Phase VI wind turbine blade. The experimental sequences from NASA Ames wind tunnel selected for this study respond to the parked blade and the rotating configuration, both for the upwind, two-bladed wind turbine operating at nonyawed conditions. The objective is to bring some light into the nature of the flow field and especially the type of stall behavior observed when 2D aerofoil steady measurements are compared to the parked blade and the latter to the rotating one. From averaged pressure coefficients together with their standard deviation values, trailing and leading edge separated flow regions have been found, with the limitations of the repeatability of the flow encountered on the blade. Results for the parked blade show the progressive delay from tip to root of the trailing edge separation process, with respect to the 2D profile, and also reveal a local region of leading edge separated flow or bubble at the inner, 30% and 47% of the blade. For the rotating blade, results at inboard 30% and 47% stations show a dramatic suppression of the trailing edge separation, and the development of a leading edge separation structure connected with the extra lift.

Flow Control for an Airfoil with Leading-Edge Rotation: An Experimental Study

2000 ◽  
Vol 37 (4) ◽  
pp. 617-622 ◽  
Author(s):  
Ahmed Z. Al-Garni ◽  
Abdullah M. Al-Garni ◽  
Saad A. Ahmed ◽  
Ahmet Z. Sahin
Keyword(s):  
Experimental Study ◽  
Flow Control ◽  
Leading Edge
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