Abstract
The aim of this article is to study experimentally and numerically the influence of the inclination of a plate placed near a wall on flows of Newtonian and yield stress fluids. The drag and lift forces were particularly studied. The inclination of the plate varies between 0° and 90°. The inertia of the fluid is considered negligible. The effects of the Oldroyd number, the shear-thinning index and the inclination of the plate on drag and lift are shown. Experimentally, an instrumented flume was used with a Carbopol gel as a yield stress fluid model. The measured lift and drag forces are compared to the numerical results and the literature data. The elasticity and plasticity effects are discussed.
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