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Citations since 2017
12 Research Items
We present a publicly accessible database designed to aid in the conception, training, demonstration, evaluation, and comparison of reduced-complexity models for fluid mechanics. Availability of high-quality flow data is essential for all of these aspects of model development for both data-driven and physics-based methods. The database contains tim...
View Video Presentation: https://doi.org/10.2514/6.2022-1701.vid This paper experimentally studies the details of the effect of transverse gust velocity gradients on a flat plate at 0 angle of attack by comparing sine-squared and trapezoidal gusts. A novel gust design system is introduced and characterized in a water-filled towing tank to have a tr...
This paper aims to study the lift response of transverse and vortex gust encounters. A sine-squared transverse gust was created in a water towing tank using a water jet, whereas a vortex gust was created in a water channel by clockwise half-rotation of an upstream gust generator plate. Forces and flowfields were acquired for both gust types. The ef...
The split velocity method was applied to study the response of a finite flat-plate wing with an aspect ratio of four encountering a large transverse gust with various gust widths. The gust is modeled by a “sine-squared” velocity profile with maximum magnitude equal to 80% of the freestream velocity. During the gust encounter, the flat plate experie...
A large variety of gusts that develop in the atmospheric boundary layer affect aerial vehicles. This study, performed in water tow tanks, compares the response of a flat plate wing to transverse vertical gusts with a top-hat and a sine-squared velocity profile at Reynolds numbers of 20,000–30,000. Experiments are performed for a wide range of gust...
The flow over a flat-plate wing passing through a transverse gust was investigated using both experimental and computational methods. The gust created physically in a water-filled towing tank was found to have a sine-squared velocity profile and was modeled as such in the computations. The physical gust system was designed so that the gust velocity...
The flow over a flat plate wing passing through a strong transverse gust was investigated using both experimental and computational methods. The gust created physically in a water-filled towing tank was found to have a sine-squared velocity profile. The gust system was designed so that the gust velocity could be varied, thereby allowing for indepen...
Modeling flat-plate response during transverse gust encounter at low Reynolds numbers (20,000-40,000). Gust profiles studies: 1) Sine-squared gust 2) Top-hat gust 3) Step (sharp-edged) gust