Sentence examples for stalled conditions from inspiring English sources

A centrifugal vortex is highlighted along the entire blade and this supports the hypothesis that centrifugal pumping heavily influences fluid dynamic behavior, even in fully stalled conditions.

Helicopter blades or wind turbines are severely imposed to vibrate in stall conditions, which motivates this research.

In this paper we explore the improvement of aerodynamic characteristics of wind turbine airfoils under stall conditions through passive boundary layer control using slots.

In order to find their evolutionary processes, oil flow visualizations were conducted at four compressor operating conditions from the design to near-stall conditions.

Experiment results showed that when the compressor was working under near stall conditions, separated flows over rotor blade rows could be remarkably suppressed by utilizing WIE and properly adjusting two important parameters of impacting frequency and impacting intensity (wake defect).

The measured results, including the overall performances of many typical flow structures near the rotor tip region and the phase locked unsteady flows inside the stator passage at both the design and near-stall conditions, are introduced.

This indicates that centrifugal pumping effects are clearly evident in deep stall conditions as well, increasing forces on the blades compared to 2D conditions.

In attached conditions and in incipient and moderate stall conditions, the Courant number was set equal to 25 thus allowing for a rapid convergence.

However, the increase of aerodynamic coefficients, due to centrifugal pumping effects, even in deep stall conditions, suggests that it is necessary to further study this phenomenon.

The striking differences between the experimental data in incipient and deep stall conditions make the level of uncertainty of this kind of experimental measures clearly understandable.

CFD results also showed that centrifugal pumping effects heavily influence fluid dynamic behavior along blades, increasing the 3D aerodynamic coefficients, even in deep stall conditions.