pressure drag उदाहरण वाक्य

Due to this, wake formation takes place, which consequently leads to eddy formation and pressure loss due to pressure drag.
Wave drag is one of the forms of drag created by swimmers, the others being pressure drag and friction drag.
The factors influencing the pressure drag are the general shape of the nose cone, its fineness ratio, and its bluffness ratio.
Such flow separation causes a large increase in the pressure drag, since it greatly increases the effective size of the wing section.
In the transonic region and beyond, where the pressure drag increases dramatically, the effect of nose shape on drag becomes highly significant.

Pressure drag is the dominant component in the case of vehicles with regions of separated flow, in which the pressure recovery is fairly ineffective.
In cruise, the combination of distributed boundary-layer ingestion and wake filling increase propulsive efficiency, while distributed vectored thrust provides substantial improvements in pressure drag.
Long, slender bodies reduce pressure drag by streamlining, while short, round bodies reduce frictional drag; therefore, the optimal shape of an organism depends on its niche.
For a well designed aircraft, zero-lift drag ( or parasite drag ) is mostly made up of skin friction drag plus a small percentage of pressure drag caused by flow separation.
Assuming that the other components of drag are negligible, is there a simple explanation as to why pressure drag of a concave hemisphere is less than that of a convex hemisphere?