# pressure drag

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Related to pressure drag: Profile drag

## pressure drag

n.
Drag caused by increased pressure on the front and decreased pressure on the rear of an object moving through a fluid medium such as air or water or of a stationary object around which the medium passes.

## pressure drag

n
(Aeronautics) the part of the total drag of a body moving through a gas or liquid caused by the components of the pressures at right angles to the surface of the body
References in periodicals archive ?
Typically the reduction in drag is shown to be due to the increase in base pressure [4,5,7,8] but the resulting geometry changes also introduce other drag components (referred to by some as vortex drag [6], slant pressure drag [8] or device drag [16]).
While the drag of the side parts consists of friction drag only, the drag of the rear part consists of pressure drag.
Ensuring robustness into the future, ReDSHIFT will take advantage of disruptive opportunities offered by 3D printing to develop highly innovative, low-cost spacecraft solutions, exploiting synergies with electric propulsion, atmospheric and solar radiation pressure drag, and astro-dynamical highways, to meet de-orbit and disposal needs, but which are also designed for demise.
Moreover, pressure drag is far more than resistance drag in "Samand".
Although the skin friction acting on the turbulent ball is higher than that of a laminar one, the form or pressure drag resulting from the wake represents the bigger contribution to the overall drag.
Since viscous resistance and pressure drag have close relations with the wall shear stress and the static pressure, the wall shear stress and the static pressure are studied in detail when jetting velocity v equals 1.
D], sum of the friction drag coefficient and the pressure drag coefficient, is defined as:
Pressure drag consists of the direction, magnitude, and orientation of an object.
For instance, friction drag (due to components of tangential forces) is much smaller than pressure drag (due to components of normal forces).
An example comparison for unsteady pressure drag, which is generally quite difficult to predict, is shown in the "Unsteady pressure drag" plot on page 24.
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